CDE Test Flashcards
Corn is deficient in what essential amino acid for swine?
Lysine
The practice of feeding a ration for ten days to two weeks before breeding and two weeks after breeding that causes a ewe to gain rapidly is know as:
Flushing
The type of muscle composing most of the meat (flesh) in farm animals:
Striated involuntary
The most important consideration for breeding yearling heifers:
size
Which type of breeding system can produce hardier, vigorous lambs with more rapid gains?
Crossbreeeding
US No. 1 swine carcasses have and average backfat thickness of
less than 1.00
Which class of sheep is noted for producing a fleece, medium in in firmness and in length
medium wool breeds
This breed of swine originated from the eastern United States and is known for its growth rate and feed conversion efficiency.
Duroc
Which breed of swine introduced the Napole gene which is responsible for excess acid and can negatively effect meat quality?
Pietrain
Breed of cattle originating from Switzerland and known and known for being docile, having rapid growth and thick muscling
Simmental
This disease is a chronic infection of cattle that causes a thickening of the wall of the intestine
Johne’s disease
The This is the largest compartment of a ruminant stomach:
Rumen
Which of the following is called the true stomach of a ruminant?
Abomasum
Most food nutrients used by the animal are absorbed from the
small intestine
What organ in the animal’s body produces bile
liver
What are the main energy nutrients found in animal rations?
carbohydrates
The lowest level of response to the use of antibiotics in swine feeding is during the
finishing stage
Which hormone implant has been approved for use with feedlot lambs?
Ralgo
What breed of beef cattle is the leader in total number registered since 1970 in the US?
Angus
The first pure breed of beef cattle imported to the US (Virginia) in 1783 were the:
Shorhorn
Which breed has the highest standard birth weights used in performance testing programs
Charolais
When judging a market class of beef cattle the term referring to the natural fleshing of the animal is
muscling
Feeding programs for beef cow-calf herds are based on the use of:
Roughages
What type of identification is commonly used, especially with large herds, and required by law in most western states?
branding
Which is NOT one of the main minerals needed in rations for finishing cattle
a. Salt
b. Phosphorus
c. copper
d. Calcium
C. Copper
Which disease often causes cattle to abort during the last half of pregnancy?
Brucellosis
What disease is carried b insects and affects the eyes of cattle?
pinkeye
A nutritional problem where rapid fermentation in the rumen, causing too much gas being produced is called:
bloat
Which pure breed of swine, developed int he early 1700s, was the first to be imported to the United States?
Berkshire
Which is the most important nutrient in hog rations?
Water
The time during which and animal is pregnant is:
gestation
Whit is the period of time when a female will accept the male for breeding?
estrus
What common swine disease, caused by bacteria, affects the turbinate bones located in the snout?
Atrophic Rhinitis
Anemia is a condition affecting mainly baby pigs due to a diet deficient in:
iron
The sudden death of heavily muscled hogs is referred to as
Porcine Stress Syndrome
The American Merino breed of sheep is classified as a :
Fine wool bread
Which breed of sheep was developed in France?
Rambouillet
Back fat of lambs should measure 0.15 to 0.20 inches at the:
12th rib
The gestation time for sheep is:
148 days
Which of the quality grades is used for lambs and yearlings, but not for slaughter sheep?
prime
Swine were first domesticated around 4900 BC by the:
Chinese
Which bone is a part of the pelvic limb in the skeletal system of livestock?
Tibia
Vertebra bones are classified as :
Irregular
The bones in the front legs of an animal make up the:
Pectoral limbs
Air is drawn into the respiratory system through the
notrils
The kidneys and bladder are major components of the:
urinary system
The digestive system in swine begins with the
mouth
In cattle and sheep, the rumen and reticulum make up what percent of the stomach>
85%
The key to absorbtion is the small finger-like projections on the walls of the small intestine called:
villi
Feed nutrient made of sugars and starches are:
Simple carbohydrates
Which feed nutrients have the highest energy value?
Fats
Which feed nutrient is the most important on a daily basis for livestock?
Water
Livestock feeds that contain more tan 18% crude fiber when dry are called:
Roughages
Protein supplements are livestock feeds containing what percent proteins:
20% or more
A ration that tastes good to an animal which promotes consumption, is said to be:
Palatable
The primary use of the nutrients in a ration for livestock is
Maintanance
A maintenance ration for beef cattle is primarily:
roughages
The diploid number (number of pairs of chromosomes) for swine is:
19
What occurs when a sperm cell from the male reaches and egg cell from the female?
fertilization
The characteristics of an animal that are inheritable are passed from one generation to the next by:
Genes
The average length of the estrus cycle for sheep is:
16 days
The first successful cloning of livestock was done in 1996 with:
sheep
The mating of animals of different families within the same breed is:
Outcrossing
The typical market hog will produce a carcass weighing:
184 pounds
According to the Nation Pork Producers Council, the goal for ideal market hogs is to have a minimum loin muscle area of:
6.5 square inches
A visual evaluation of the amount of muscle on a hog is best seen by looking at which view of the hog?
rear
Which classes of sheep are bred primarily for meat?
medium wool breeds
Sheep are a major livestock enterprise in which area of the United States?
Western range
The section of the vertebra that makes up the neck in cattle, swine, or sheep is the:
cervical vertebrae
The “Femur” is classified as what type of bone?
long
