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ANS102
Exam 2 Review
50
Agriculture
Undergraduate 1
12/07/2011

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Cards

Term
There are 3 processes of digestion, what is not a proces of digestion?
Definition
Copraphagy
Term
What are the two types of stomachs?
Definition
Monogastric and Ruminants
Term
What is a carnivore?
Definition
A meat eaters
Term
What kind stomach does a donkey have?
Definition
Monogastric
Term
What are the 3 parts of the small intestine?
Definition
Ileum
Jejunum
Duodenum
Term
What are the 3 main parts of the large intestine?
Definition
Cecum
Colon
Rectum
Term
Monogastric herbivores possess a _____, which allows them to utilize high roughage feeds.
Definition
Cecum
Term
Feed costs range from ______ of the cost of production
Definition
45%-75%
Term
A substance in the diet that supports normal functions of the body is called a ______.
Definition
Nutrient
Term
What are the six essential nutrients?
Definition
-Water
-Protein
-Lipids
-Carbohydrates
-Minerals
-Vitamins
Term
The mineral content of a farm animal diet is also called ______.
Definition
Ash
Term
Energy for _______ has to be met before any other productive function.
Definition
Maintenance
Term
A group of dissimilar set of organic substances required in very small quantities by the body and can either be fat or water soluble.
Definition
Vitamins
Term
What is Net Energy?
Definition
(Gross Energy)-(Digestible Energy)-(Metabolizable Energy)=
Term
Growth of farm animals is generally measured by _____.
Definition
Weight
Term
What happens to growth during puberty?
Definition
Growth Decreases
Term
The physiological connection to the mother for poultry is____.
Definition
None
Term
The types of muscle in an animal are skeletal, smooth, and cardiac, which is more abundant in an animal?
Definition
Skeletal
Term
Growth and development relies heavily on the _______ system.
Definition
Endocrine
Term
What can be used to determine an animals age but is not accurate.
Definition
Teeth patterns
Term
Body composition will change with age, as age increases muscle ______ and fat _______.
Definition
Muscle Decreases
Fat Increases
Term
Cattle produce ___% of all milk consumed.
Definition
91%
Term
The United States ranks _____ in total milk production in the world.
Definition
Third
Term
Milk consumption per capita in the United States has _____ since 1950.
Definition
Decreased
Term
What is the most common dairy breek in the United States?
Definition
Holstein
Term
About ____% of animals productivity is due to environmental effects.
Definition
75%
Term
Pasteurization
Definition
Is a process of heating a food, usually liquid, to a specific temperature for a definite length of time, and then cooling it immediately
Term
How many varieties of cheese are produced around the world?
Definition
400 varieties
Term
The average dairy cow produces around _____ pounds of milk.
Definition
21,000
Term
Milking cows are usually dry for _____days and milked _____days.
Definition
Dry for 60 days
Milked 305 days
Term
How is milk yield increased?
Definition
Milking cows more than two times a day
Term
What is Oxytocin?
Definition
A hormone that stimulates milk letdown
Term
What are cows given to increase milk production?
Definition
BST
Term
What is Epinephrine?
Definition
The hormone that counteracts milk letdown
Term
What is prolactin?
Definition
The primary milk secretion hormone
Term
What can greatly influence an animals production?
Definition
The environmental conditions
Term
What are the two major changes that occur when seasons of the year change?
Definition
Temperature and light cycles
Term
All livestock are?
Definition
Homeotherms
Term
The thermoneutral zone means what?
Definition
That there is a balance in between cold and heat stress to the animal.
Term
Heat loss mechanism in animals include what?
Definition
Panting and Sweating
Term
What does thermo stress cause?
Definition
Decreases oxygen consumption
Term
Stress has an effect on what kind of energy?
Definition
Metabolizable Energy
Term
Chemical analysis of a ration will provide you with what?
Definition
Crude Protein
Crude Fat
Crude Fiber
Term
What are the three phases of prenatal growth and development?
Definition
Sex Cells
Fetus
Embryo
Term
What are the characteristics of a fast twitch muscle?
Definition
Anaerobic
White
Less Capillaries and blood supply
Term
What are primary products of carcass composition?
Definition
Fat
Bone
Lean
Term
The number of dairy cows in the United States has decreased due to what?
Definition
The increased efficiency of dairy farming
Term
When the environmental changes occur the thyroid hormone is produced to do what?
Definition
Increase basal metabolic rate and cause heat production
Term
The animal blood systems play a significant in preventing what?
Definition
To avoid heat loss
Term
Upper critical temperature cause what kind of stress?
Definition
Heat Stress
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