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Principles of Animal Science
Exam 2
50
Agriculture
Undergraduate 1
12/15/2009

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Cards

Term
Most predators are herbivores
Definition
False
Term
A concentrate would be high in fiber and low in carbohydrates
Definition
False
Term
Macrominerals are needed in smaller amounts than microminerals
Definition
False
Term
Non-ruminants can not break alpha 1,4 linkages in starch
Definition
False
Term
The horse has a rumen to digest fiber
Definition
False
Term
Fiber is digested in the foregut of the horse
Definition
False
Term
In a normal diet, there is more % carbohydrate than either fat or protein
Definition
True
Term
In metabolism, if anabolism exceeds catabolism, the animal will increase in cell number size
Definition
True
Term
As digestibility increases, fecal output decreases
Definition
True
Term
In pet foods, economics or price per lb is less important to owners than in livestock feeds
Definition
True
Term
To give birth in horses is called farrowing
Definition
False
Term
If one or both of the testicles of an animal fail to descend in to the scrotum, testosterone production will stop while fertility or sperm production increases
Definition
False
Term
It is possible that clones may have a slightly different phenotype while having the same genotype
Definition
True
Term
Cloning has been very successful and is routinely used in commercial livestock production
Definition
False
Term
The process of removing the genetic material from slaughterhouse ova prior to cloning is called meiotic induction
Definition
False
Term
The amount of heat lost by radiation is greatly affected by relative humidity
Definition
False
Term
As heat stress increases the animal must increase heat loss to remain homeothermic
Definition
True
Term
At maturity it is easier for an animal to fatten than at puberty
Definition
True
Term
A "hand" is the most common measure of horses and equals 4 inches
Definition
True
Term
Species that give birth to multiple young such as a sow, have less prenatal growth than species that have single offfspring
Definition
True
Term
Ruminant animals utilize microbes to break the bets 1,4 linkage of cellulose
Definition
True
Term
An increase in cell size would be termed hyperplasia
Definition
False
Term
Most growth post-natal occcurs due to hyperplasia
Definition
False
Term
Fat tissue is the first tissue to mature in the animal
Definition
False
Term
In poikilotherms, body temperature varies more than homeotherms
Definition
True
Term
Concentrates such as corn are less variable in nutrient content than forages or roughage
Definition
True
Term
Providing an environment within the TNZ is always the most economical way to produce  livestock
Definition
False
Term
One way to determine if an animal is in TNZ is if they have the lowest maintenance requirement
Definition
True
Term
Heat loss is highly related to body surface area
Definition
True
Term
Development means body parts grow at different rates based on their need for survival
Definition
True
Term
An earlier maturing animals would usually have a smaller mature size than a later maturing animal
Definition
True
Term
Age measured in units of time would be called physiological age
Definition
False
Term
The highest priority for nutrients in the body is?
Definition
Maintenance
Term
The sub-units or "building blocks" of proteins are called?
Definition
Amino acids
Term
The structure that is most similar to man's stomach?
Definition
Proventriculus
Term
Which structure is responsible for most nutrient absorption?
Definition
Small intestine
Term
An example of a protein supplement coomonly fed to livestock?
Definition
soybean meal
Term
Which animal's digestive tract is most similar to man's?
Definition
PIg
Term
The ruminant compartment most similar to man's stomach is?
Definition
Abomasum
Term
THe structure in the bird that is responsible for fermentation and moistening food is the?
Definition
Crop
Term
The major site of absorption in most animals
Definition
Small intestine
Term
The structure that leads from the testes and enters the male body is?
Definition
Vas deferens
Term
The gestation length of the pig is?
Definition
114 days
Term
If i synchronized estrous in cattle by shortening their cycle, I would...?
Definition
Destroy the CL to reduce progesterone
Term
The transfer of heat by a fluid or air is?
Definition
Convection
Term
The TNZ varies by which factors?
Definition
Age, Size, Specie, Insulation ot hair coat
Term
The graph declining from the left the the right with a straight line in the middle depicts the relationship between what?
Definition
Temperature and intake
Term
The most cost effective way to use superior genetics and know birth and projected birthing dates is?
Definition
AI (Artificial Insemination)
Term
A sheep weighs 10 lbs at birth and 100 lbs at 100 days of age. What is her WDA?
Definition
1 lb
Term
A male castrate horse is called a
Definition
Gelding
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