Friday, July 31, 2020 Room 8:00 AM Opening Session 8:30 AM Keynote: Influence of Dietary Factors on Intestinal Immunity and Response to Enteric Challenges

Audrey McElroy, Texas A&M University

Room Topic Laryngotracheitis Immunology Moderator 9:00 AM Evaluation of host genetic resistance against

infectious laryngotracheitis John Dunn, USDA-ARS-USNPRC

Development of Poultry Immune Reagents Hyun Lillehoj, Animal Biosciences and Biotechnology Laboratory, Beltsville Agricultural Research Center

9:15 AM Infectious Laryngotracheitis Sequence Typing Directly from Clinical Samples Mohamed El-Gazzar, Iowa State University

Differential detection of interleukin-12 and -23 proteins in chicken coccidiosis Woohyun Kim, USDA-ARS

9:30 AM Genotyping of Infectious Laryngotracheitis virus (ILTV) isolates from Western Canada based on partial open reading frame (ORF) a and b Catalina Barboza Solis, University of Calgary

Histological Evaluation of the Effects of High Incubation Temperature on Embryonic Development of Thymus in Broiler Chickens ChangHee Lee, Poultry diagnostic and research center

9:45 AM Safety and Protection Efficacy of a Cell Line Adapted Infectious Laryngotracheitis Virus (ILTV) BDORFC Strain Following In ovo and/or Spray Vaccination with and without rHVT-LT Vaccine Daniel Maekawa Maeda, University of Georgia

Nanoparticle-based co-delivery of IBV antigen and adjuvant induces protective mucosal immunity in chickens Hui-Wen Chen, National Taiwan University

10:00 AM Break Topic Case Reports Vaccinology Moderator 10:15 AM Case Report: Clinical and Histopathological

Findings in First Reported Case of False Layer Syndrome in Georgia Karen Grogan, University of Georgia, PDRC

Replication of HVT Single (HVT-ILT) and Double (HVT-ND-ILT) Constructs and Efficacy against Challenge in SPF Birds. Ivan Alvarado, Merck Animal Health

10:30 AM Acute Hypocalcemia in a Flock of Commercial Egg Laying Chickens Chase Miller, Elanco Animal Health

Protection by a Novel Dual Recombinant HVT ND-IBD Vaccine alone or in combination of an IBD 89/03 Live Attenuated Vaccine against a Variant E Strain Challenge of Infectious Bursal Disease Alexandra Mendoza-Reilley, Merck Animal Health

10:45 AM Urogenital Cryptosporidiosis In a Commercial Egg Laying Complex Contributing to Elevated Mortality and Poor Manure Quality Daniel Wilson, Wilson Veterinary Co.

Salmonella Strains Displaying ENhanced Innate Immunity Response Activators (ENIIRA) to Stimulate Innate Immunity to Enhance Protective Immunity Roy Curtiss, University of Florida

11:00 AM Salmonella Bacterin Induced Hepatopathy in Broiler Breeder Pullets Eric Heskett, Case Farms

Protective Effects of a Modified Live E. Coli Vaccine Against Homologous And Heterologous Challenges In Laying Hens Manuel Da Costa, Zoetis

11:15 AM Case Report: A Unique Toxicity in Broiler Breeders Eric Shepherd, University of Georgia Poultry Diagnostic and Research Center

Alternative Approaches to Development of Vaccines against Food Safety Pathogens Kemal Karaca, Curtiss Healthcare

Room Topic Case Reports Vaccinology Moderator 11:30 AM A Case Report of Erysipelothrix rhusiopathiae

Infection in Turkey Breeder Hens Ana Paula Da Silva, UC Davis

Efficacy of two commercial infectious coryza vaccines after challenge with a serotype C Avibacterium paragallinarum strain isolated from outbreaks in layers and broilers in California Rodrigo Gallardo, University of California, Davis

11:45 AM Catastrophic Mortality in Organic Turkey Poults: Approach to Finding a Cause H Shivaprasad, University of California, Davis

The Effective Use of Siderophore Receptor Proteins (SRP) as Antigens in Poultry Vaccines. Dan Domingo, Epitopix LLC

12:00 PM Lunch Break Room Topic Virology Bacteriology Moderator 1:15 PM The Economics of Neoplastic Disease

Guillermo Zavala, Avian Health International, LLC Impact of E. coli vaccination on production

performance of turkeys and E. coli ecology over time Katie Stumvoll, Jennie-O Turkey Store

1:30 PM Review of a New Generation Marek’S Vaccine, RN1250 Strain, in Combination with Herpesvirus of Turkey (HVT) Vectored Vaccines Used in Various Types of Birds Worldwide Stephane Lemiere, Boehringer Ingelheim

Impact of E. coli vaccine on the presence of avian pathogenic E. coli (APEC) and antibiotic susceptibility in the environment of commercial turkey flocks Michelle Kromm, Jennie-O Turkey Store

1:45 PM Protection Against 9109-Like Variant IBDV Using Dual Recombinant HVT-ND-IBD Vaccine Alone Andres Montoya, Merck Animal Health

An Embryo Co-infection Model for Enterococcus faecalis and Avian Pathogenic E. coli Assesses Pathogenicity and Virulence of Polybacterial Infections Grayson Walker, North Carolina State University College of Veterinary Medicine

2:00 PM Dual ND-IBD HVT Construct Vaccines: Efficacy and Onset of Immunity When Challenged with IBD Variant Strains Linnea Newman, Merck Animal Health

Exploring the Fitness of Retail Poultry Escherichia coli to Cause Foodborne Urinary Tract Infections Ananta Arukha, University of Florida

2:15 PM Marek’s Disease Virus Replication in Feathers from CRISPR/Cas9 Transgenic Chickens Expressing ICP4 gRNA and Cas9 Karel Schat, Cornell University

Experiences with Salmonella Reading in Live Production Brian Wooming, Cargill Turkey & Cooked Meats

2:30 PM Comparison Of Antibody Response Against Infectious Bursal Disease In Broiler Breeders Injected Subcutaneously In The Back Of The Neck, Inguinal Fold And Intramuscular In The Thigh Or Breast Enrique Montiel, Boehringer Ingelheim

Genomic Analysis of Avibacterium paragallinarum from 2019 infectious coryza cases in the United States Ha-Jung Roh, Ceva Animal Health

2:45 PM Isolation of Egg Drop Syndrome (EDS) Adenovirus from Brown Layers in Pennsylvania Milos Markis, AviServe LLC

Genomic landscape of Ornithobacterium rhinotracheale in commercial turkey production in the United States Emily Smith, University of Minnesota

3:00 PM Break

Friday, July 31, 2020 Room Topic Virology Bacteriology Moderator 3:15 PM Comparison of the monitoring methods for

following the take of immune-complex vaccine against Gumboro disease in commercial layers Claudia Carranza, Ceva Animal Health

Characterization of bacterial chondronecrosis with osteomyelitis (BCO) in broilers in a commercial setting Elizabeth Kim, DuPont

3:30 PM Viral Hepatitis in Turkey Poults Megan Lighty, Jennie-O Turkey Store

Effects of the in ovo Administration of the 6/85 Mycoplasma gallisepticum Vaccine on Layer Chicken Embryo Livability and Post-Hatch Performance Abdulmohsen Alqhtani, Mississippi State University

Topic Virology Enteric Health 3:45 PM Detection of Avian metapneumovirus A and B

subtypes in chickens in Mexico David Suarez, Southeast Poultry Research Laboratory, Agricultural Research Service, U.S. Department of Agriculture

In vitro inhibitory effect of a new three-strains selected probiotic on several serovars of Salmonella John Schleifer, Chr. Hansen, Inc.

4:00 PM Virulence assessment of chicken astrovirus (CAstV) isolated from outbreaks of White Chicken Syndrome (WCS) in Western Canada Victor Palomino-Tapia, University of Calgary

Dietary supplementation with Bacillus subtilis direct-fed microbials alters chicken intestinal metabolite levels Inkyung Park, USDA-ARS

4:15 PM Effect of antibiotic growth promoter administration on the intestinal microbiota and virus shedding post avian influenza virus infection in chickens Brittany Seibert, University of Georgia

Effects of Coccidiosis Vaccination With or Without the Use of a Phytogenic Feed Additive in Broilers Marcos Rostagno, Phytobiotics North America

4:30 PM Pathogenic and Immunogenic Evaluation of Avian Reovirus Variant Strains Isolated from Clinical Cases Sofia Egana, University of California, Davis

Non-Antibiotic Protection Against Necrotic Enteritis in Broilers Mark Blakley, EW Nutrition

4:45 PM MinION- and MiSeq-based Sequencing of Total RNA for Detection of Chicken Respiratory Pathogens in Clinical Swabs Salman Latif Butt, University of Agriculture Faisalabad

Field Evaluation of a Novel Muramidase Ingredient for Supporting Broiler Performance and Gastrointestinal Functionality in the United States Yun-Ting "Tina" Wang, DSM

Room 5:00 PM Welcome Reception and Poster Session

Saturday, August 1, 2020 2020 AAAP Symposium: Educating the Poultry Professional

8:00 AM Welcome Room Moderator 8:10 AM Current gaps in poultry medicine education and professional development needs of the meat and

egg layer industries Mark Bland, Cutler & Associates

8:45 AM The Role of Poultry Veterinarians Educating Commercial and Backyard Poultry Growers Patricia Wakenell, Purdue ADDL Louise Dufour-Zavala, GA Poultry Lab Network Annika McKillop, McKillop Poultry Medicine, LLC

9:20 AM Career opportunities in the field of poultry medicine. How do you get into the field? Recruitment! Stephen Roney, Huvepharma

9:50 AM Break 10:00 AM Teaching Effective Communication and Leadership Skills to Poultry Medicine Professionals

Karen Grogan, UGA PDRC 10:35 AM Financial education for poultry veterinarians

Mike Gergye, Thales Solutions 11:10 AM The use of technology to improve poultry medicine instruction and continuing education

Eric Gingerich, Diamond V 11:45 AM Considerations of career changes in poultry veterinary medicine

Charles Hofacre, Southern Poultry Research Group Elena Behnke, USDA APHIS VS NPIP Guillermo Zavala, Avian Health International, LLC Rafael Monleon, Aviagen

Sunday, August 2, 2020 Room Topic Salmonella Diagnostics Moderator 8:00 AM Evaluation of the Effectiveness of a Direct-fed

Microbial with an AGP and an Ionophore Coccidiostat to Reduce Salmonella heidelberg in Broilers Charles Hofacre, Southern Poultry Research Group, Inc.

Pathology and Immunohistochemical Findings of Avastrovirus Infection in Chicks with White Chick Syndrome Monique Franca, UGA

8:15 AM Colonization of Internal Organs by Salmonella Enteritidis and Salmonella Kentucky in Experimentally Infected Laying Hens in Indoor Cage-Free Housing Richard Gast, USDA

Post Vaccination Monitoring and Respiratory Disease Monitoring in Broiler Flock by On-Side Fully Automated POCKIT Central PCR system PingHan Chung, GeneReach Biotechnology Corp.

8:30 AM The Role Of Vertical Transmission And Egg Adaptation Of Salmonella Infantis In Broiler Vertical Integrations Martha Pulido Landinez, Mississippi State University

Surveillance and Diagnosis of Turkey Coronavirus Using Environmental Bootie Swabs Becky Tilley, Butterball

8:45 AM Emergence of a Novel Salmonella enterica Serotype Reading Clone is Linked to its Expansion in Commercial Turkey Production Timothy Johnson, University of Minnesota

Development And Validation Of Two Diagnostic Real-Time PCR (TaqMan) Assays For The Detection Of Bordetella Avium From Clinical Samples Amro Hashish, IOWA State University

9:00 AM Interactions of Multiple Live Side Salmonella Interventions in Commercial US Broiler Production. Philip Stayer, Sanderson Farms

Fast Identification of Emerging Avian Viruses Using Nanopore Sequencing Device Guillaume Croville, University of Toulouse

9:15 AM Impact of AviPro® Megan® Vac 1 to Reduce Salmonella Contamination in Broilers Jaime Ruiz, Elanco Animal Health

Comparison of Selected Blood Biochemistry Values in Meat-Type Chickens and Turkeys at Critical Ages using the i-STAT and VetScan2 Fernando Jimenez, North Carolina State University, College of Veterinary Medicine

9:30 AM The Comparative Analysis of the Salmonella enterica subsp. enterica Serovar Infantis IncFIB Plasmid Genetic Sequence Would Aid to Identify Relevant Subtypes for Salmonella Control in Poultry Roxana Sanchez Ingunza, Private Consulting - Poultry

Comparison of Turkey Biochemical Test Results Between a Handheld Blood Analyzer and a Conventional Laboratory Blood Analyzer Hannah Sather, North Carolina State University College of Veterinary Medicine

9:45 AM Autogenous Salmonella Vaccine Isolate Selection Process: Identifying Candidate Strains Francene Van Sambeek, Elanco Animal Health

What Happens When You Feed Layer Ration to Chickens From 8 to 14 Weeks of Age. Richard Fulton, Michigan State University

10:00 AM Break Room 10:15 AM Wellness Talk: Setting Boundaries: A Mini Primer

Jen Brandt, Director of Wellbeing and Diversity Initiatives AVMA 10:45 AM Business Meeting 12:00 PM Lunch Break

Room Topic Coccidiosis Avian Influenza Moderator 1:15 PM The Interplay Between Crowding Effect and The

Progression of Eimeria maxima Infection in Broiler Chickens James Foutz, University of Georgia

Evolution of Mexican-Lineage Low Pathogenic Avian Influenza (H5N2) Viruses in Dominican Republic, 2007-2019 Hyunjung Chung, University of Connecticut

1:30 PM Description of a lesion scoring system to evaluate pathology caused by coccidiosis in turkeys Ujvala Deepthi Gadde, Huvepharma Inc

Adaptation of Mexican lineage H5N2 low pathogenic avian influenza virus in chickens Mary Pantin-Jackwood, Southeast Poultry Research Lab, US National Poultry Research Center, US Dept. of Agriculture-Agricul

1:45 PM A new method for Eimeria Speciation and Quantification Using Flow Cytometry Daniel Adams, North Carolina State University

Co-infection Studies with Mexican H5N2 Low Pathogenic and H7N3 Highly Pathogenic Avian Influenza Viruses Sungsu Youk, U.S. National Poultry Research Center, ARS-USDA

2:00 PM Identifying and Quantifying Eimeria Species in Mixed Samples with Molecular-Based Technologies Ryan Snyder, University of Guelph

Characterization of a Novel Avian Influenza Live Virus Vaccine Based on Disruption of M2/M42 Gene Expression That Protects Against Clade 0 and 2.3.4.4 Highly Pathogenic Avian Influenza Darrell Kapczynski, USDA-ARS-USNPRC

2:15 PM Typing Eimeria maxima isolates from Alabama broiler flocks using a multi-locus sequence typing (MLST) scheme Miranda Carrisosa, Auburn University

Evaluation of environmental sample collection devices and target sampling areas for Avian Influenza detection in layer cages Jongseo Mo, United States Department of Agriculture, Southeast Poultry Research Laboratory

2:30 PM Applying Metagenomics to Characterize the Eimeria species Composition in Litter from Commercial Broiler Farms Kate Worthing, ARS-USDA

Roles of the matrix and nucleoprotein genes on the virulence of H5N8 highly pathogenic avian influenza virus clade 2.3.4.4 Christina Leyson, Southeast Poultry Research Laboratory

2:45 PM Strategic Application of AST (Anticoccidial Sensitivity Test) in Broilers in Anticipation of Elimination of Preventive Use of Antibiotics in Canada Babak Sanei, Zoetis

T Cell Epitope Engineering Strategy to Improve the Immunogenicity of Avian Influenza H7N9 Vaccine Hyesun Jang, University of Georgia

3:00 PM Break

Sunday, August 2, 2020 Room Topic Coccidiosis Avian Influenza Moderator 3:15 PM Coccidiosis Vaccine Trial in Turkey Poults

Zachary Adams, Iowa State University College of Veterinary Medicine

Evaluation of protection of H5 vaccination regimes against early challenge with HPAI-H5N1 on commercial broiler chickens Wael Elfeil, Suez Canal University, Ismailia, Egypt

3:30 PM Safety and efficacy studies with Immucox 5 Roberto Soares, Ceva Animal Health Inc

Vaccination Efficacy of Multivalent Recombinant Herpesvirus Turkey Vaccines Against Highly Pathogenic Avian Influenza Miria Criado, USDA

3:45 PM Lessons learned changing coccidiosis vaccines in grandparent broiler breeders Christina Lindsey, Aviagen

Evaluation of the cross-antigenicity of two H9N2 vaccine strains assessed by HI-test using sixteen distinct AIV H9N2 antigens Andreas Herrmann, MERIAL S.A.S.

4:00 PM Experiences Vaccinating with a Novel Coccidiosis Vaccine in Long Lived Chickens in the United States Kelli Jones, Ceva

Development of next-generation live attenuated influenza vaccines with elite interferon-inducing capabilities Amir Ghorbani, The Ohio State University

4:15 PM In Ovo Vaccination of Chickens Against Eimeria maxima Infection Using Recombinant EmaxIMP1 Protein Linked to Nanoparticles Mark Jenkins, ARS-USDA

Pathobiology of classical H7N1 and Gs/GD H5N8 highly pathogenic avian influenza viruses in different chicken breeds and role of Mx 2032 G/A polymorphism in infection outcome Kateri Bertran, IRTA, Centre de Recerca en Sanitat Animal (CReSA, IRTA-UAB)

Topic Coccidiosis Infectious Bronchitis Virus 4:30 PM Zoamix: A Blast from the Past

Timothy Cummings, Zoetis Molecular characterization of field isolates of

infectious bronchitis virus in Mississippi from 2013 to 2019 Alejandro Banda, Mississippi State University

4:45 PM The Potential Impact Of Three Phytogenic Feed Additives On Chicken Eimeria from Coccidiosis Vaccine. Chad Malinak, Merck Animal Health

Results of an infectious bronchitis virus surveillance program in broiler chickens (part 2) Abigail Reith, Zoetis, Inc

5:00 PM Adjourn

Monday, August 3, 2020 Room Topic Wealth of Knowledge Infectious Bronchitis Virus Moderator 8:00 AM 2020 Research Priorities of the American

Association of Avian Pathologists Natalie Armour, Mississippi State University, CVM, DPPM

False layer syndrome IBV, pathogenicity insights and surveillance in layer flocks Rodrigo Gallardo, University of California, Davis

8:15 AM A Cloud-Based System for Visualizing Bird Performance in the Field Isaac Duerr, Smart Data Science Solutions

Investigating the role of Infectious Bronchitis Virus variant DMV/1639 in incidence of False Layer Syndrome Adrea Mueller, University of Georgia

8:30 AM Egg Layer Biosecurity in 2020 – An Assessment of Daybreak Foods, Inc. Biosecurity Program Rosemary Marusak, Daybreak Foods, Inc

DMV/1639 type IBV transmits from vaccinated chickens to other vaccinated chickens after challenge Brian Jordan, The University of Georgia

8:45 AM Common Misconceptions in Assuming a Product is a Viable Alternative to an Antibiotic Greg Mathis, Southern Poultry Research, Inc.

Pathogenesis of the Canadian Delmarva (DMV/1639) Infectious Bronchitis Virus (IBV) Infection in Layers Mohamed S. H. Hassan, University of Calgary

9:00 AM Is Aspirin a Useful Adjunct in the Management of Vaccine Reactions and Respiratory Disease in Broilers? John Smith, Alectryon LLC

Efficacy Studies of a Variant Infectious Bronchitis Virus Vaccine Brianna Ford, CEVA Animal Health

9:15 AM Multistate Psittacosis Outbreak at Chicken Slaughter Plants — Virginia and Georgia, 2018 Christine Szablewski, CDC

Infectious Bronchitis Challenge Studies in Broilers—a Comparison of IB Vaccine “Takes” and Protection Kalen Cookson, Zoetis

9:30 AM New Features of 14th Edition of Diseases of Poultry David Swayne, USDA/ARS/SEPRL

Validation of Day of Age Infectious Bronchitis Vaccination Matilde Alfonso, Ceva Animal Health

9:45 AM Report on USPOULTRY Research Program and Priorities Denise Heard, U.S. Poultry & Egg Association

Protection Conferred by Recombinant LaSota Virus Expressing Infectious Bronchitis Spike Protein and Chicken Granulocyte-Macrophage Colony-Stimulating Factor Haroldo Toro, Auburn University

10:00 AM Break

Room Topic Epidemiology Antimicrobial Moderator 10:15 AM Using geospatial methods to produce a Georgia

risk map for avian influenza Louise Dufour-Zavala, GPLN

Quantifying Antimicrobial Use in U.S. Layer Production Randall Singer, University of Minnesota

10:30 AM Analytical epidemiology of Spotty Liver Disease Yuanshuo Karen Gao, University of Sydney

Transmissible antibiotic resistance genes present in Escherichia coli and Salmonella from USA poultry Daniel Karunakaran, Arm and Hammer Animal Nutrition

10:45 AM Systematic Review of the Efficacy of Probiotics and Prebiotics on Colonization of Campylobacter and Salmonella in Poultry Robert Jose Valeris Chacin, University of Minnesota

Characterization and Antimicrobial Resistance Patterns of Pasteurella multocida Isolates from Chickens in Mississippi Eric Orozco, Mississippi State University PRDL

11:00 AM Technical and Analytical Considerations Performing Retrospective and Prospective Studies Using Clostridial Dermatitis in Turkeys as a Model Dave Fernandez, FSTAATS Agri-Business Solutions

Use of AMN to prevent Clostridium perfringens induced necrotic enteritis in broilers David Diez Arias, Biovet, S.A.

11:15 AM Evaluation of Factors Correlated with the Development of Hemorrhagic Hepatopathy in Broiler Breeder Pullets Linnea Tracy, University of Georgia Poultry Diagnostic and Research Center

Trends in antimicrobial use and antimicrobial resistance in broiler chickens; impact of industry-wide antimicrobial use reduction strategy Agnes Agunos, Public Health Agency of Canada

Room 11:30 AM History Lecture: History of Poultry Breeding

Jim McKay, Group Director for Science and Technology for EW Group 12:00 PM Lunch Break Topic Case Reports Reovirus Moderator 1:15 PM Investigation of Increased Cases of Erysipelas in

Commercial Turkeys Stephen Williams, Butterball

Evaluation of Attenuated Variant Reoviruses as Modified Live Vaccines Holly Sellers, Poultry Diagnostic & Research Center, University of Georgia

1:30 PM Clinical Investigation of Early Embryonic Death in Turkey Hatching Eggs Ben Wileman, Select Genetics

Evaluation of Antibody Response to Autogenous Reovirus and Infectious Bursal Disease Virus Vaccines Katharine Shamoun, Poultry Diagnostic & Research Center, University of Georgia

1:45 PM Epidemiological Investigation of Mycoplasma synoviae in Commercial Broiler Breeders Joel Cline, Wayne Farms LLC

Safety and Efficacy of a Pichinde Virus Vector to Deliver Vaccination Against Turkey Arthritis Reovirus Tamer Sharafeldin, University of Minnesota

2:00 PM Diagnosing and managing Inclusion Body Hepatitis outbreak in primary broiler breeders Emma Castillo, Aviagen

Response of Turkey Breeding Hens to Vaccination with a Commercial Modified Live Chicken Reovirus Ben Wileman, Select Genetics

2:15 PM An Unexpected Lesion Associated with Woody Breast that Affected Livability and Processability in a Commercial US Broiler Flock Robinette Gilbert, Sanderson Farms, Inc.

Turkey Breeders Perspective : How to Achieve Reovirus Maternal Antibodies in Poults through Vaccination of Parents Cynthia Philippe, Hendrix Genetics Ltd

2:30 PM Broiler Breeder Pullets: Wrong Diet, High Mortality, Unusual Lesions Tahseen Abdul-Aziz, Rollins Animal Disease Diagnostic Laboratory

To Standardize A Sampling Scheme For Early Detection of Turkey Arthritis Reovirus Infection Sunil Mor, University of Minnesota

2:45 PM Acute and convalescent avian encephalomyelitis virus infection in Heritage breed pullets Yuko Sato, Iowa State University

Differential Pathogenesis of Turkey Reoviruses associated with Arthritis, Enteritis and Hepatitis Rahul Kumar, University of Minnesota

3:00 PM Break Room Topic Case Reports Reovirus Moderator 3:15 PM An Interesting Case of Pasteurella multocida

“Like” Clinical Signs with a Slew of Organisms Geoffrey Lossie, Purdue University College of Veterinary Medicine/Indiana Animal Disease Diagnostic Lab

Turkey Reovirus Hepatitis: An Emerging Disease from a Known Etiological Agent. Andrew Smith, Butterball

3:30 PM En-egg-matic Quail Jenny Nicholds, University of Georgia

Case Report: Runting and Stunting Syndrome in a Flock of Commercial Brown Layers Jim Stockam, Merck Animal Health

Topic Case Reports Parasitology 3:45 PM On a Friday afternoon...

Kayla Niel, Hy-Line International Broiler Breeders: An Assessment of the Enteric

Parasites Population Steve Fitz-Coy, Merck AH

Topic Clostridia Parasitology 4:00 PM Necrotizing Hepatitis Associated with

Clostridium perfringens in Broiler Chicks Valerie Marcano, University of Georgia

Parasitological Surveillance in a Pastured Poultry Farm Maria Tereza Bethonico Terra, Auburn University

4:15 PM Development of a Mass Administered Vaccine for Prevention of Necrotic Enteritis in Broilers Charles Hofacre, Southern Poultry Research Group, Inc.

Report of Gastrointestinal Parasite Burden Among US Broiler Breeder Flocks Blayne Mozisek, Merck Animal Health

4:30 PM Detection of Necrotic Enteritis (NE) B-Like Toxin in Biological Samples of NE-Afflicted Chickens by Capture Enzyme-Linked Immunosorbent Assay Kyung-Woo Lee, ARS-USDA

Resistance to fenbendazole in Ascaridia dissimilis and its economic impact on the production of turkeys James Collins, University of Georgia, Dept. of Infectious Diseases

4:45 PM Risk Factors Associated with the Incidence of Turkey Clostridial Dermatitis in Big Toms Laura Tensa, Cargill Turkey & Cooked Meats

Avian Cryptosporidiosis: The Need for a Paradigm Shift. Hayet Abbassi, University of Minnesota and Pasteur Institute of Tunisia

5:00 PM Adjourn

Poster #: 1 The Use of FTA Cards for Molecular Detection of AIV in Backyard Flocks at Sales Events Len Chappell, Georgia Poultry Laboratory Network

Poster #: 2 Seroprevalence of H9N2 in Commercial Poultry in Peninsular Malaysia Nik Faiz, Universiti Putra Malaysia

Poster #: 3 Optimizing Workflow of Highly Pathogenic Avian Influenza (HPAI) Virus Testing Procedure Stephanie Forrester, Georgia Poultry Laboratory Network

Poster #: 4 Origins of A/Chicken/Domin.Rep/2397-7/08 H5N2, a Dominican Low Pathogenic Avian Influenza Virus Dejelia Gomez, MINISTERY OF AGRICULTURE

Poster #: 5 Comparative results of field in Flocks of a Prime-boost program with a vector vaccine chicken pox and two different vaccines inactivated for the control of Avian influenza H7N3 in México Alejandro Hori, Boehringer Ingelheim Animal Health

Poster #: 6 Avian influenza virus surveillance in columbiform birds of Huarmey, Ancash-Peru Eliana Icochea, University of San Marcos

Poster #: 7 Genetic Evolution and Genotype Replacement of Clade 2.3.2.1a H5N1 Highly Pathogenic Avian Influenza Viruses in Bangladesh Junghoon Kwon, U.S. National Poultry Research Center

Poster #: 8 Characterizing the Antigenic Evolution of Goose/Guangdong/1996-lineage Clade 2.3.4.4 H5Nx Highly Pathogenic Avian Influenza Virus Jasmina Luczo, Southeast Poultry Research Laboratory

Poster #: 9 Highly pathogenic avian influenza H5N8 virus infection: pathological presentation of game bird cases during the 2016/2017 epizootic in Britain. Christopher Poulos, Animal and Plant Health Agency

Poster #: 10 The Effect of Eurasian Lineage H9N2 Low Pathogenicity Avian Influenza Virus on Chicken Egg Production and Contamination of Eggs with Virus Erica Spackman, SEPRL-USDA-ARS

Poster #: 11 Detection and Molecular Characterization of Strains of Avian Influenza Virus Isolated From Migratory Birds of The Coast of Peru, 2018-2019 Rosa Gonzalez, San Marcos University, Lima-peru

Poster #: 12 The Genome Sequence of Campylobacter hepaticus Strain UF2019 Isolated from a Layer Flock in the United States Subhashinie Kariyawasam, University of Florida

Poster #: 13 Survey of Pasteurella multocida Serotypes Isolated Within Poultry Diagnostic Cases, Including DNA Fingerprinting Comparisons with Pasteurella multocida vaccine strain and Pasteurella multocida isolated from Poultry Diagnostic Cases. Emily Dinh, Georgia Poultry Laboratory Network

Poster #: 14 Whole Genome Analysis of Mycoplasma gallispeticum Isolates from the United States Mohammadreza Ehsan, University of Georgia

Poster #: 15 A Study of Infected Backyard Flocks in Georgia: Prevalence of Virus Pathogens Heather Failyer, Georgia Poultry Laboratory Network

Poster #: 16 Acute Septicemia in Turkey Poults Caused by Streptococcus gallolyticus Elise Gerken, Jennie-O Turkey Store

Poster #: 17 Etiological role and diversity of Streptococcus pluranimalium in infectious endocarditis in mule ducks Jean-Luc Guerin, ENVT, University of Toulouse

Poster #: 18 Genomic Analysis of Avian Pathogenic Escherichia coli (APEC) Associated with Colibacillosis using Long Read MinION Sequencing. Catherine Logue, University of Georgia

Poster #: 19 Identification, serotyping and molecular characterization of Avibacterium paragallinarum isolates obtained from outbreaks of infectious coryza in commercial poultry in the northern area of Mexico, Sonora Linda Luna, Universidad Autónoma del estado de México, Facultad de Medicina Veterinaria y Zootecnia

Poster #: 20 Spotty Liver Disease in the U.S. layers and genetic analysis of Campylobacter hepaticus Ha-Jung Roh, Ceva Animal Health

Poster #: 21 Fowl Cholera Infections and Their Trends and Management Changes in Raised for Release Gamebird Populations Over the Last Ten Years (2009-2019) in Georgia. Douglas Anderson, GPLN

Poster #: 22 Tracheal Lesion Evaluation of Specific Pathogen Free Chickens Vaccinated with F strain or a Commercial Bacterin for Mycoplasma gallisepticum Valerie Marcano, University of Georgia

Poster #: 23 Efficacy of a Hops Extract Phytobiotic Administered in the Feed for the Control of Necrotic Enteritis Caused by Clostridium perfringens in Broiler Chickens Maria Dashek, BV Science

Poster #: 24 Genetic and Gender influences in a Necrotic Enteritis Challenge Model in Broiler Chickens Matthew Jones, Southern Poultry Research Group

Poster #: 25 Evaluation of sampling methods for the study of respiratory bacterial microbiota in chickens Chang-Won Lee, Food Animal Health Research Program, The Ohio State University

Poster #: 26 Probiotic derived novel small peptides reduce colonization of avian pathogenic Escherichia coli (APEC) in chickens Gireesh Rajashekara, The Ohio State University

Poster #: 27 A Case of Very Virulent Infectious Bursal Disease Virus Infection of spot-biled duck Il Jang, Animanl and Plant Qurantine Agency

Poster #: 28 Thymoma in a California Backyard Chicken Julia Blakey, California Animal Health and Food Safety Lab- UC Davis

Poster #: 29 Intestinal Dilatation syndrome (IDS) in hens housed in family cages Gregory Celliers, Hy-Line International

Poster #: 30 A Case Study of Thiamine Deficiency in Brown Pullets in East Java, Indonesia Seiche Genger, Hy-Line International

Poster #: 31 Case Study – Can We Accurately Predict Bird Weights at the Plant? Albert Payne, 1010 Consulting Group

Poster #: 32 Adventures In Seroconversion: Initial Failure To Respond to Chicken Infectious Anemia Virus Vaccination Ian Rubinoff, Hy-Line International

Poster #: 34 A Case of Spontaneous Myelocytomatosis in Broiler Breeders Angela Stewart, Poultry Diagnostic and Research Center - University of Georgia

Poster #: 35 Please Keep Your Copper In Pennies, Not My Birds; A Field Case Report Of Copper Toxicity In 10 Day Old Poults Jolene Tourville, Jennie-O Turkey Store

Poster #: 36 An Unusual Case of IBD in a Commercial Pullet Flock Jessica Higgins, Kalmbach Feeds

Poster #: 38 A Case of Cerebellar Necrosis in Commercial Turkeys Laura Morman, Purdue University Indiana Animal Disease Diagnostic Lab

Poster #: 39 Safety and efficacy studies with Immucox T Jennifer Brisbin, Ceva Animal Health Inc

Poster #: 40 The effect of saponins on the cycling of commercial coccidiosis vaccines Luis Gomez, Phibro Animal Health

Poster #: 41 Evaluation of Bacillus subtilis Against Coccidia Challenge In Broiler Chickens Nitin Kurkure, Nagpur Veterinary College

Poster #: 42 Use of a Probiotic to Ameliorate the Detrimental Impact of Coccidiosis Vaccine as Measured by Zootechnical Performance and Coccidiosis Lesion Scores John McCarty, Boehringer Ingelheim

Poster #: 43 A retrospective study of broiler diseases diagnosed at Alabama Veterinary Diagnostic Laboratory System, 2018-2019 Erfan Chowdhury, Alabama Veterinary Diagnostic Laboratory System

Poster #: 44 Using Real Time PCR for the Detection of Mycoplasma gallisepticum and Mycoplasma synoviae: What Can Influence the Test Outcome? Jantina De Vylder, BioChek

Poster #: 45 West Nile Virus Infection in Commercial Duck Breeder Flocks Richard Fulton, Michigan State University

Poster #: 46 MinION Sequencing for Selective and Rapid Detection of Avian Influenza A Virus Iryna Goraichuk, USDA/ARS/SEPRL

Poster #: 47 Expression and Characterization of Avian Reovirus SigmaC-MBP Fusion Proteins as ELISA Antigens Linda Michel, The Ohio State University

Poster #: 48 Characterization of Reoviral Hepatitis and Splenitis in Commercial Turkey Poults Robert Porter, Univ of Minnesota

Poster #: 49 Fecal Parasite and Select Pathogen ELISA Testing on Wild Turkeys from Middle Tennessee Sierra Slautterback, University of Tennessee CVM

Poster #: 50 Comparison of the Current Serological Monitoring Against Spacial Fixed Serological Monitoring in Poultry Production Units. Josue Sanchez, IDEXX Laboratories

Poster #: 51 Assessing perceived risks and benefits for participation in poultry disease monitoring projects Andreia Arruda, The Ohio State University

Poster #: 52 Comparative Analysis of Two New Multilocus Sequence Typing (MLST) Schemes for Characterization of Mycoplasma gallisepticum strains Mostafa Ghanem, University of Maryland-College Park

Poster #: 53 GIS Tools for Poultry Health Reporting: Development of an Interactive Web Map for BREWS Nicki Smith, Georgia Poultry Laboratory Network

Poster #: 54 A Based Flow Cytometry Chemical Assay to Evaluate Avian Leukocyte Proliferation Karla Alvarez, FARVET

Poster #: 55 ELISpot as a Technique to Evaluate the Specific Immune Cellular Response Against Fowl Serotype 4 Adenovirus in Chickens Karla Alvarez, FARVET

Poster #: 56 Immune responses to avian influenza virus infection in two genetically distinct, highly inbred chicken lines Emily Aston, University of California-Davis

Poster #: 57 Immunological mechanisms induced in chicken by recombinant HVT vaccines against Newcastle disease and avian influenza Fiona Ingrao, Sciensano

Poster #: 58 Development and characterization of novel mouse monoclonal antibodies against chicken chemokine CC motif ligand 4 Mingmin Lu, USDA-ARS

Poster #: 59 Unfavorable Consequences of Lung Macrophage Recruitment Following Infectious Bronchitis Virus (IBV) Infection Mohamed Faizal Abdul-Careem, University of Calgary

Poster #: 60 Evaluation of the impact of the temperature of water used for the reconstitution of Infectious Bronchitis (IB) live attenuated vaccines Andrea Delvecchio, Boehringer Ingelheim AH

Poster #: 61 Live Attenuated Vaccine-like Viruses are Involved in the Evolution of the Canadian Delmarva (DMV/1639) Infectious Bronchitis Virus Mohamed S. H. Hassan, University of Calgary

Poster #: 62 Phylogenetic analysis of S1 glycoprotein region of Infectious Bronchitis Virus isolates from 2012 to 2018 in South Korea Jong-seung Kim, Avian Disease Laboratory

Poster #: 63 How to cope with the various Variants of IBV? Diagnostic Approach and resulting Data from the Perspective of a Lab Service Provider. Martin Liman, AniCon Labor GmbH

Poster #: 64 Infectious Bronchitis Surveillance via RT-PCR Jose Linares, Ceva Animal Health

Poster #: 65 Practical perspective on correlation of infectious immunosuppression diseases vs Infectious Bronchitis in broiler and layers flocks in Vietnam Ludio Martins Gomes, Vaxxinova International - Asia Pacific

Poster #: 66 Characterization of variant infectious bronchitis virus from a small scale poultry holding in Egypt Ibrahim Moharam, Friedrich-Loeffler-Institut, Germany

Poster #: 67 Clearance of an immune-complex IBD vaccine in commercial layers after a few weeks Christophe Cazaban, Ceva Animal Health

Poster #: 68 Ability of an immune-complex IBD vaccine to successfully immunize commercial layers in a high infective risk area Christophe Cazaban, Ceva Animal Health

Poster #: 69 Immune-complex IBD vaccine evolution in a commercial brown layer breed: cages versus floor Christophe Cazaban, Ceva Animal Health

Poster #: 70 Vaccine Take Monitoring in Broilers Flocks Immunized against Gumboro Disease with Immune Complex and Vector Vaccines and its Relationship with Productivity Jorge Chacón, Ceva Animal Health

Poster #: 71 Update on IBD Viruses (IBDVs) Infecting Broilers Today and How Inactivated Vaccines Protect Against Different Viruses in the AL2 and T1 Families Kalen Cookson, Zoetis

Poster #: 72 Serological Comparison Between Different Vaccination Programs against IBD in the Field Elisa Russo, MSD Animal Health Srl

Poster #: 73 Safety in Commercial Chickens of a Dual-Insert Turkey Herpesvirus Vectored Vaccine with Newcastle disease and Bursal Disease Antigens Olivia Faulkner, Ceva

Poster #: 74 Post Marek’s Disease Vaccination Monitoring with Feather Pulp and Spleen in (Layer/Breeder) by On-Side Fully Automated POCKIT Central PCR system Keat Fu, Aviagen Inc.

Poster #: 75 Investigation of the virulence of Marek's disease virus with virulence-associated gene modification Taejoong Kim, USDA-ARS-USNPRC

Poster #: 76 Comparison of the protection and viral elimination of a vaccination program against Newcastle disease virus using homologous vaccines of genotype XII and a conventional vaccination program in broilers. Nelly Cribillero, National University of San Marcos - UNMSM

Poster #: 77 Evaluation of protection of ND vaccination regimes against early challenge with Velogenic Newcastle virus-VII.1 Wael Elfeil, Suez Canal University, Ismailia, Egypt

Poster #: 78 Composting Study for the Inactivation of Newcastle Disease Virus in Litter and Chickens Joseph Giambrone, Auburn University

Poster #: 79 Coccidia dynamics in litter and feces of chickens in a floor pen trial Ruediger Hauck, Auburn University

Poster #: 80 Analysis of ITS-1, 18S, and CO1 genes for identification of Eimeria parasites in poultry Benjamin Jackwood, UGA

Poster #: 81 Control of Northern Fowl Mite (Ornithonyssus sylviarum) on Egg Layer Chickens using a Fluralaner Solution Administered to Birds through Drinking Water Faris Jirjis, Merck Animal Health

Poster #: 82 In Vitro Evaluation of the Efficacy of Six Acaricides against Poultry Red Mite (Dermanyssus gallinae) in South Korea Jin-Hyun Kim, Animal and Plant Quarantine Agency

Poster #: 83 Update on Variant Reovirus Infections and Lameness in Ontario Broilers Marina Brash, Animal Health Laboratory

Poster #: 84 Histopathologic Investigation of Poultry Processing Quality Problems Frederic Hoerr, Veterinary Diagnostic Pathology, LLC

Poster #: 85 Short Beak and Dwarfism Syndrome (Derzsy’s disease) in Domestic Ducks in Vietnam Son Nguyen Vu, Vietnam National University of Agriculture

Poster #: 86 Histopathologic and Bacteriologic Characterization of Femoral Head Separation, Femoral Head Necrosis and Bacterial Chondronecrosis with Osteomyelitis in Broilers Floyd Wilson, MVRDL

Poster #: 87 mRNA Expression Profile of Dystrophin-Associated Protein Complex in Dorsal Cranial Myopathy of Broilers Chickens Francielli Zimermann, Southern Poultry Research Group, Inc.

Poster #: 88 Histological Changes After Ventilation Shut Down in Turkeys, Broilers and Broiler Breeders Sesny Gall, NCSU Veterinary College

Poster #: 89 First report of variant Reo virus field strains in Colombia Francisco Perozo, Boehringer-ingelheim

Poster #: 90 Reovirus growth kinetics in embryonated eggs Teresa Dormitorio, Auburn University

Poster #: 91 Serologic Characterization and Autogenous Vaccine-challenge Studies on Two Avian Reovirus Variants from Broiler Chickens Huaguang Lu, The Pennsylvania State University

Poster #: 92 Next Generation Sequencing (NGS) of ARV obtained from clinical samples in Western Canada Victor Palomino-Tapia, University of Calgary

Poster #: 94 Comparative Genomics of Plasmids Encoding CTX-M1 Type Cefotaximases in Nontyphoidal Salmonella Serovars Isolated from Commercial Poultry Thomas Denagamage, University of Florida

Poster #: 95 Salmonella Investigation: Finding the Needle in the Haystack Genevieve Huard, Hendrix Genetics Ltd

Poster #: 96 Survey of Salmonella Serotyping Isolated within the Commerical Poultry Environment Katherine Muro, Georgia Poultry Laboratory Network

Poster #: 97 Comparison of Qaulitative PCR using Tetrathionate (TT), and Buffer Peptone Water (BPW) primary enrichments. Iyen Omoruyi, Georgia Poultry Laboratory Network

Poster #: 98 Inhibition Of Fecal Shedding Of Salmonella Typhimurium In Cobb 500 Broilers Fed Availa®Zn Marco Rebollo Franco, Zinpro Performance Minerals

Poster #: 99 Genomic Characterization of Salmonella enterica subsp. enterica Serotype Javiana Isolated from Broiler Chicken in Peru. Doris Villanueva Pérez, Farmacológicos Veterinarios (FARVET SAC)

Poster #: 100 Effect of a complex antibody antigen vaccine on the decay of Infectious bursal disease maternal antibodies in broilers Alfredo Condemarin, Hipra Peru SAC

Poster #: 101 Evaluation of protection of the Ms-H Vaccine (Vaxsafe MS) in broiler breeders Francisco Perozo, Boehringer-ingelheim

Poster #: 102 HVT-ND-IBD Combination Vaccines with Chicken Herpesvirus Serotypes 1 and 2 Julio Cruz Coy, Merck Animal Health

Poster #: 103 Construction and Efficacy of A Recombinant HVT-IBD Vaccine against IBDV and MDV Challenges in SPF Chickens Tyler Brown, Zoetis

Poster #: 104 Safety of Fowl Poxvirus-based Vector Vaccines in Commercial Layers Jorge Chacón, Ceva Animal Health

Poster #: 105 Comparison of Serological Response, Persistence and Serological Profile in Progeny against Chicken Infectious Anemia Virus in Three Flocks of Broiler Breeders Bruno Garcia, San Marcos University

Poster #: 106 Evaluation of a Novel Autogenous Bacterin Strain for Controlling Escherichia coli Infections in Poultry Karen Grogan, University of Georgia

Poster #: 107 Early Onset of Immunity and Duration of Immunity of A Recombinant HVT-IBD Vaccine against Virulent, Variant, and Very Virulent IBD in SPF Birds Angela Hartman, Zoetis

Poster #: 108 Comparative Evaluation of Live Attenuated Salmonella Vaccines to Prevent Salmonella Infections in Chickens. Vinicius Lima, University of Florida

Poster #: 109 Safety studies with inactivated reovirus vaccine Christopher Luther, Ceva Animal Health

Poster #: 111 Duration of immunity of ts-11 Mycoplasma gallisepticum vaccine Chris Morrow, Bioproperties

Poster #: 112 Compatibility of Procerta HVT-ND Vaccine with Magniplex to Provide Protection Against Velogenic NDV and Virulent Classical IBDV Challenge in SPF Birds Sing Rong, Zoetis

Poster #: 113 Development of a New Trivalent HVT-vectored Vaccine Against Marek’s Disease, Infectious Bursal Disease and Infectious Laryngotracheitis Mariana Sa e Silva, Boehringer Ingelheim

Poster #: 114 Compatibility of an Immuncomplex IBD Vaccine with a Vaccination Program Against Marek’s Disease Comprising of Rispens and Vectored HVT-ND Vaccines in Commercial Layers Timea Tatar-Kis, Ceva Phylaxia Co. Ltd.

Poster #: 115 New Salmonella Vaccines against Clostridium perfringens-induced necrotic enteritis in broiler chickens Shifeng Wang, University of Florida

Poster #: 116 Reverse genetic infectious bursal disease virus in turkeys Ching Ching Wu, School of Veterianry Medicine, National Taiwan University, Taipei, Taiwan

Poster #: 117 Reconstitution and Mutagenesis of Avian Infectious Laryngotracheitis Virus from Cosmid and Yeast Centromeric Plasmid Clones Stephen Spatz, US National Poultry Research Center, Agricultural Research Service, United States Department of Ag

Poster #: 118 Next Generation Sequencing (NGS) of chicken astrovirus (CAstV) isolated from outbreaks of White Chicken Syndrome (WCS) in Western Canada Victor Palomino-Tapia, University of Calgary

Poster #: 119 Molecular Characterization of Newcastle Disease Viruses Isolated from Chickens in Tanzania Ana Paula Da Silva, California Animal Health and Food Safety Laboratory - Turlock branch

Poster #: 120 A Serologic Survey for Astrovirus Antibody in Georgia Broilers James Davis, Georgia Poultry Laboratory Network

Poster #: 121 Pathogenicity of infectious bursal disease viruses isolated from commercial poultry with immune suppression related disease. Daral Jackwood, The Ohio State University

Poster #: 122 Detection of Avian Oncogenic Viruses from Backyard Flocks by Polymerase Chain Reaction in Formalin-Fixed, Paraffin-Embedded Tumorous Tissues. Arun Kulkarni, Georgia Poultry Laboratory Network

Poster #: 123 Molecular analysis of hexon and fiber gene sequences of Fowl adenovirus serotype 8b strains prevalence in Korea and strategy to control Van Dam Lai, Chungbuk National University, CVM

Poster #: 124 Genomics and pathogenicity of an Indiana turkey coronavirus isolate Tsang Long Lin, Purdue University, CVM

Poster #: 125 Spatio-Temporal Prevalence of IBDV in Commercial Chicken Flocks in Mexico Fernando Lozano, CEVA ANIMAL HEALTH

Poster #: 126 Molecular and pathological characterization of avian reovirus from clinical cases of tenosynovitis in poultry flocks from Costa Rica María Piche-Ovares, Universidad Nacional

Poster #: 127 Protection against different genotypes of Newcastle disease viruses (NDV) afforded by an adenovirus-vectored fusion protein and live NDV vaccines David Suarez, Southeast Poultry Research Laboratory, Agricultural Research Service, U.S. Department of Agriculture

Poster #: 127 Avian Pathogens in Kenyan Backyard Poultry Farms and Live Bird Markets David Suarez, Southeast Poultry Research Laboratory, Agricultural Research Service, U.S. Department of Agriculture

Poster #: 128 The role of incubation temperature on hatchability and poult quality Juan Lopez, hendrix genetics

Poster #: 129 VFD Inspections Update: Poultry Prescriptions, Education to Enforcement Steven Clark, Devenish Nutrition, LLC

Poster #: 130 Perspectives on Food Safety as Well as Control and Eradication of Some Poultry Diseases in European Union Hafez Mohamed Hafez, Insitute of Poultry Diseases, Free University Berlin, Germany

Poster #: 131 Mycotoxin Prevalence in the 2019 Latin American Corn Crop Eduardo Vicuna, BIOMIN

Poster #: 132 Evaluation of hatchery sanitation products used in incubation and hatch processes ChangHee Lee, Poultry diagnostic and research center

Poster #: 133 Using Machine Learning to Do Zero-Cost Experiments Timothy Buisker, Smart Data Science Solutions

Poster #: 134 The Mission and Goals of AAAP’s Diversity and Inclusion Taskforce Valerie Marcano, University of Georgia

Poster #: 135 Trends in Mycotoxin Contamination in the United States Corn Crop Chasity Pender, Biomin America Inc.

Poster #: 136 Design and evaluation of a device to teach euthanasia of chickens by cervical dislocation Brian Ladman, University of Delaware