sponsor day on animal feeding: use of feed additives for fish health and welfare
DESCRIPTION
Sponsor Day: Seminar on Animal Feeding 15th-16th May 2014 IRTA Mas BoverTRANSCRIPT
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Use of feed additives for Use of feed additives for fish health and welfarefish health and welfare
Dr Enric Gisbert
IRTA – Sant Carles de la Ràpita
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01.1 QUÈ ÉS?
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01.1 QUÈ ÉS?
“Disease is the biggest risk to the industry. It undermines financing and market development and yet the industry is chronically under invested in disease management.”
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01.1 QUÈ ÉS?
50-55% total production costs
Functional feedsFunctional feeds are regarded as the future of the aquaculture:
- by embracing nutrition strategies to address specific stresses, environmental situations, life stage requirements and pathologies, the industry can optimize animal performance as well as operational efficiency;
- by preventive health management through feed, aquatic animals can divert more energy to tissue growth and reduce biological energy reserves needed to fight disease.
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Functional feeds:Functional feeds:- provide benefits other than just nutritional, - support health and reduce the risk of disease.
Certain nutrients (e.g. PHs, SDP, nucleotides) Chemicals (e.g. levamisole) Exogenous enzymes (e.g. phytase, xylanase) Immunostimulants (e.g. β-glucan, LPS) Organic acids (e.g. formic, sorbic, butyric acids) Pigments (e.g. carotenoids) Prebiotics Probiotics Synbiotics Vegetal extracts Vitamins C & E…
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01.1 QUÈ ÉS?
Protein hydrolysatesProtein hydrolysates
Fish (CPSP) Casein Squid Krill Shrimp Mussel Yeast Pig blood (rendering industry)
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01.1 QUÈ ÉS?
Sponsor Day, 16th May
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01.1 QUÈ ÉS?
Exogenous enzymes:Exogenous enzymes:
- Hydrolysis of antinutrional factors.- Digestion enhancers.
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01.1 QUÈ ÉS?
Immunostimulants:Immunostimulants:
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01.1 QUÈ ÉS?
Organic acids:Organic acids:
Sponsor Day, 16th May
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01.1 QUÈ ÉS?
Pigments:Pigments:
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01.1 QUÈ ÉS?
Probiotics:Probiotics:
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01.1 QUÈ ÉS?
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01.1 QUÈ ÉS?
Prebiotics:Prebiotics:
Inulin FOS MOS GOS XOS AXOS IMO
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Vegetal extracts:Vegetal extracts:
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01.1 QUÈ ÉS?
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TÍTOL DEL POWER POINT. PRESENTACIÓ
Final product qualityFinal product quality• Flesh color• Fillet quality• Nutritional value• Shelf life Promote growth
Reduce mortality
Functional Functional feedfeed
• Yield• Uniformity• Mortality• Feed usage (FCR)• Use of facilities
ProductivityProductivity
Promote gut developmentPromote gut development• Villi height• Goblet cell number• Cell differentiation• Nutrient absorption• Gut integrity• Microbiota regulation
Enhance the immune functionEnhance the immune function• Innate immune response• Gut immune response
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TÍTOL DEL POWER POINT. PRESENTACIÓ
Thank you for your attentionThank you for your attention
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01.1 QUÈ ÉS?
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