animal science final
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in what year was the electric candle invented?
1909
In what year was the Newcastle disease breakout in LA?
1971
Which state has the most poultry ?
Iowa
Which country is number one for its poultry numbers?
US
Class for avian?
Aves
Egg breeds?
Leghorn, Ancona, Minorca
How many eggs are classified for a ‘good laying hen’ ?
20 dozen in 1st year
meat breeds
Orpington, Cornish, Australorp
Dual Purpose Breeds
New Hampshire, Plymouth Rock, Rhode Island Red
Bantams
1/4 or less the size of large fowl, seabrights and silkies
Leghorns
-noisy, like to move around and forage, capable of flight and often roost in trees -240-250 eggs/year -most numerous breed in US/most common
Araucana
-blue, greenish eggs -rumpless -no tail
Ameracauna
-related to araucana (difference is they have a tail) -muffs and beards
Plymouth Rocks
-most popular bird until WWII -good general farm chicken -hardy (can survive low and high temps), docile, good mothers -meat and egg -brown egg
Rhode Island Reds
-Originated in Rhode Island -best egg layers of dual purpose breeds -brown eggs
New Hampshire
-competitive and aggressive -plump carcass - used as either broiler or roaster
Cornish
-developed as ultimate meat bird -wide compact bodies -> poor fertility -wide muscular breast -short legs
Ross
-industry standard for broiler growth rate, feed conversion
Capon
castrated male under 8 months
Stag
male chicken under 10 months
Chicken Vital Signs
-body temp 104 - 109 F -300 beats/minute at rest
Calcium
-eggshells made of calcium carbonate -oyster shells
minimum living requirements:
-good drainage (hill) -heated or insulated in cold weather (prevents combs and wattles from freezing) -screened opennings (ventilation) -electricity (layers require 14 hours of light)
design requirements:
-open shed (free-range birds) -semi-closed (more protection) -enclosed houses (light, temperature, and ventilation)