introduction to animal science i (continued). external parts objective: recognize the major parts of...

Introduction to Animal Science I (continued)

External Parts

• Objective: Recognize the major parts of cattle, swine and poultry

Cattle Parts

Cattle Parts

Cattle Parts

Cattle Parts

• In your notebook draw a diagram of a beef cow labeling 20 different parts including the 11 red stars in the class diagram

Swine Parts

Swine Parts

• In your notebook draw a diagram of a swine labeling 15 different parts including the 9 red stars in the class diagram

Poultry Parts

Poultry Parts

• comb• wattles• beak• eye ring• ear lobe• vent• hock

Diagram a chicken in your notes labeling these parts: (use the diagram in your textbook for help)

toesbreastbackabdomenbodyshank

External Parts• Anatomy

– The science of body structure

• Modified skin:– horns– hooves– feathers– fur– wool– hair

Selective Breeding

• Only the best animals are chosen as breeding stock:– Confirmation– Breed character– Structural soundness of feet and legs– Body capacity

Structural Soundness

Structural Soundness

Structural Soundness

Structural Soundness

Livestock Products

• Work in groups of three and write down as many animals products and by-products as you can.

• You have 10 min. to complete this task!

Livestock Products

1. Food– meat, milk, cheese, eggs

2. Clothing– wool, leather from hides

3. Shelter– tents from hides

4. Power– work in less developed countries

Livestock Products

5. Recreation– horse back riding, rodeos

6. Fuel– burn dry animal manure

7. Animals are converters– eat stuff humans will not eat and

convert these materials into food– meat, eggs, milk, etc.

By-Products1. Wool2. Leather 3. Candy and chewing gum from

animal fat 4. Gelatin - from horns, hooves,

bones, and hides 5. Glue, cosmetics, waxes, soap,

lubricants, bushes, etc.

By-Products6. Animal feeds from scrap meat and

bones and blood meal 7. Insulin

– for diabetics– from livestock pancreas

By-Products

8. Heparin– for blood clotting– from livestock lungs

9. Candles10. Fertilizer

Trends in Animal Science

Swine

Trends in NC Swine

• The top agriculture commodity in North Carolina – found mostly in the eastern 1/2 of the

state

• North Carolina ranks 2nd nationally– Iowa is 1st

Trends in NC Swine

• The swine industry brings in over 1.5 billion dollars to the state

• The number of swine farms is decreasing– The size of farms is increasing

Poultry

Trends in NC Poultry

• Broilers are Cleveland County’s top agriculture commodity

• Broilers are NC’s second rank commodity

• Broilers bring in over 1.3 billion dollars in cash receipts to NC agriculture

Trends in NC Poultry

• Recent health concerns has increased the consumption of poultry products– less fat– subcutaneous fat layer

Animal Agriculture

• North Carolina livestock commodities brings in twice as much money as other agriculture products

Livestock, Dairy and Poultry Cash Receipts from Farm Marketing, 2001

Cleveland County Livestock Rank Within State, (2002 estimates)

• Hogs- 61st (1,500) (4,100 in 2004)

• Cattle- 7th (23,500)– Beef Cattle 6th– Milk Cattle 23rd (800)

• Broilers- 23rd (7,200,000)• All chickens- 30th

Statistics

Charts and statistics provided by:• NCDA

– http://www.ncagr.com/stats/index.htm

• USDA– http://www.usda.gov/nass/