Avian Bio Test 4 Flashcards
(24 cards)
What’s the goal of commercial production of Broilers?
feed to meat that consumers want
What type of meat do people in US want most?
White meat
What is the largest contributor to cost of growing broilers for meat? How much does it represent?
Feed/grain
70%
How do we measure efficiency of feed?
How much feed it takes to make 1 pound of live chicken
What is the measurement of the efficiency called?
Feed conversion
What is a perfect relationship of feed conversion?
1 pound of meat to 1 pound of chicken
What is the average feed conversion number?
- 85 to 1
1. 85
Why is feed conversion number higher for larger birds?
They move more so they consume more calories
What is a fishes feed conversion number?
1 to 1
What is cattle’s feed conversion number?
> 6 to 1
What are the basic nutrients?
carbohydrates
fats
proteins
What are carbohydrates?
Sugars (simple) and starches (complex)
What is the biggest portion of a birds feed?
How much of it is there?
Carbohydrates
60-70%
What type of sugar fuels the brain and eyes?
Glucose
What are fats?
Energy suppliers
What are proteins?
muscles and organs
What are proteins made of?
Amino Acids
What are essential amino acids?
They are necessary in feed to maximize growth
Lysine, methionine, threonine
What happens if the essential amino acids are cut off/stopped?
Stop growth
How much weight of body cells do proteins make up?
50%
What is the liver?
Filter blood
Collect fat and send it out
What does the gall bladder do?
Aids in breakdown of fats
What does the villi do?
increase surface area for absorption
How is the digestive tract of chicken unique?
Flight and crop
It is compact
Movement from digestion can go back and forth
