Flashcards in CDE Test 2 Deck (36):
Hormones are organic catalyst that influence the growth and development of the body and are produced in the:
In what part of the respiratory system are the passages from the nostrils and the mouth joined?
The pancreas produces which hormone?
What major mineral is often lacking in animal rations?
The proportion of the total variation is offspring from parents due to additive gene effects:
Which trait in beef cattle has the highest heritability estimate?
Which trait in sheep has the lowest heritability estimate
The diploid number (pairs of chromosomes) for sheep is:
Which gland in the male produces the sperm cells?
The average age for cattle to reach puberty is:
The average length of the estrus cycle in swine is:
The release of the egg from the ovary is called:
Which region of the United States produces the most beef cattle?
Which breed of cattle is classified as a Bos indicus type?
What is the standard number of days that beef cattle weaning weights are adjusted to?
The normal average bod temperature for healthy beef cattle is:
101.5 degrees F
What is the length of time that bacteria causing Anthrax can remain in the soils?
Pinkeye, the common name of this disease, is carried by insects and affects the eyes of the animal:
Which nutritional disease is a hear condition of beef cattle at high altitudes?
White Muscle disease is caused by deficiency of the trace element:
Which breed of swine is known to produce the largest loin muscle area based on performance tests?
What term refers to the degree of refinement of head, hair, hide, and bone of the live hog?
Since 1970, which breed of sheep has the largest number registered with their breed association:
Which fine wool breed of sheep originated in the United States?
The backfat on a market lamb should measure _______ at the 12th rib.
0.15 to 0.20 inches
A lack of what substance in the blood causes milk fever in sheep?
What type of parasites are the most serious health problem for sheep?
To ________ is to adapt the behavior of an animal to fit the needs of people.
What two wild stocks did American breeds of swine come from?
Sus vittitus & Sus scrofa
Timid, defenseless, and the least intelligent of all tamed livestock, these were thought to be the first wild species domesticated.
Livestock belong to what class of homoeothermic animals that are characterized as having four chambered hearts, mammary glands, and have young born alive?
All the domestic animals found on the farm are included in what kingdom?
In the subdivision Pecora of the suborder Ruminantia, are considered "true ruminants" because they have what unique characteristic?
Stomachs with four compartments
What does the rumen of a cow contain that allows it to effectively digest low quality feedstuffs?
What percentage of total beef and dairy energy intake in the U.S. consists of roughages and other waste materials that can't be used for human food?