Texas livestock Quiz Practice

1) Which breed of white colored swine originated in Pennsylvania? Large Whites
Chester White
Yorkshire
American Landrace


2) The process of preparing calves for the stress of being moved into the feedlot is called: stockering
stretching
finishing
preconditioning


3) The record of the ancestors of a particular animal is recorded in its: genetic map
performance record
phenotype
pedigree


4) Rations formulated to keep an animal at its current weight and size is a _________ ration. gestation
weaning
finishing
maintenance


5) Nutrients, which an animal can synthesize for growth and maintenance, are in a category called: non-essential nutrients
minerals
essential nutrients
protein


6) What is an infertile female calf born as a twin to a fertile male calf called? Freemartin
Sex-limited
Markhors
Clone


7) Which of the following medium wool breeds of sheep are solid white in color? Southdown
Dorset
Oxford
Shropshire


8) The length of the estrous cycle for a ewe is: 72 hours
21 days
14 days
17 days


9) The natural waviness of wool fiber is called: Crimp
Kemp
Staple length
Braid


10) The feed component containing the most easily digested carbohydrates is the: amino acids
minerals
nitrogen free extract
crude fiber


11) The breed of swine which is white in color with erect ears and used extensively in commercial operations for the maternal characteristics is the: Landrace
Berkshire
Yorkshire
Chester White


12) Which of the following traits is considered undesirable when judging market lambs? harder handling
early maturing
greater size
heavier muscled


13) In swine, a male that has been castrated before reaching sexual maturity is called a: wether
stag
boar
barrow


14) Which trait in beef cattle has the highest heritability estimate? Yearling weight
Rib eye area
Weaning weight
Carcass weight


15) Disease caused by an organism that mainly affects the lungs. leptospirosis
brucellosis
erysipelas
tuberculosis


16) Which species of livestock has a diploid number of 27 (pairs of chromosomes)? Sheep
Goats
Cattle
Swine


17) The weight of a hot beef carcass compared to the live weight of the animal is referred to as: quality
yield
balance
carcass merit


18) The largest compartment of the ruminant stomach for a mature grazing cow is called the: reticulum
omasum
abomasums
rumen


19) An objectionable inherited defect in swine known as a whorl is actually a(n) : hair disturbance
defective color
inverted teat
extra dewclaw


20) Which state has greatest beef production? Iowa
Oklahoma
California
Nebraska


21) Which of the following feeds is highest in total digestible nutrients (TDN)? corn
sudangrass
silage
coastal Bermuda


22) Administering an medicinal agent to livestock that requires placement directly into a vein is called: intravenous
subcutaneous
intrarumen
intramuscular


23) The most prevalent breed of sheep in the world is the: Suffolk
Hampshire
Merino
Columbia


24) Animals that through selection and breeding have come to resemble one another and pass those traits uniformly to their offspring are defined as: a hybrid
progeny
a breed
genetics


25) A method of animal identification that is a puncture in the skin of numbers or letters is known as: tattoo
freeze brand
hot brand
eartag