Questions 36-70 Flashcards
A____________ animal is one that is of a particular breed.
Purebred
Which state has the greatest feedlot beef cattle production
nebraska
the use of living organisms or their products (livestock production) is also known as:
biotechnology
Estrus in cattle usually occurs every:
21 days
a disease that affects cattle and sheep with symptoms of lameness, followed by depression and fever, followed by swelling in the muscles of the hip, shoulder, chest. Back, and neck, with sudden death within 3 days of onset of the symptoms is:
black leg
the length of the estrous cycle for a ewe is:
17 days
which medium wool breed of sheep has a white face
dorset
one common characteristic between Hampshire, Yorkshire, and Berkshire swine is:
erect ears
which common breed of swine was imported to the US from Denmark?
Landrace
baby pigs require Temperature of _______ degrees F
80-90
the most serious health problems of sheep and goats is:
internal parasites
solid floors in hog houses are usually made of ________
concrete
helminths are of major economic importance to the livestock industry in regard to the management of:
internal parasites
the first breed of cattle imported to the US in the late 1700’s was the:
Shorthorn
Which of the following breeds of cattle did not originate in Italy?
Maine Anjou
Archaeological evidence from the middle east indicates domestication of the pig occurred as early as _____ years ago.
9000
the genetic makeup of an animal is called its:
genotype
Which breed of goat produces mohair?
angora
animals that through selection and breeding have come to resemble one another and pass those traits uniformly to their offspring are defined as:
a breed
the largest compartment of the ruminant stomach for a mature grazing cow is called the:
rumen
feed additives used to control worms and other internal parasites are:
anthelmintics
archeology has found evidence that sheep have been domesticated for ______ years.
6000
fats and oils provide _____ times more energy that do carbohydrates.
2.25
which major swine breed originated in England, with the major development of the breed occurring in kentucky? originally known as the thin rind
hampshire
which breed of sheep has the strongest flocking instinct?
rambouillet
An animal’s central nervous system includes the brain and:
spinal cord
which part of the ruminant stomach is recognized as the true stomach?
abomasum
What is a free-roaming “wild” animal that was once domesticated called?
feral
yearlings are feeder calves between one and two years old weighing about _____ pounds.
550-700
heifers most commonly reach puberty at the average age of:
7 months
the breed of swine which is white in color with erect ears and used extensively in commercial operations for the maternal characteristics is the:
yorkshire
which vitamin do animals tend to produce enough of so that it does not need to be included as a specific nutrient in their rations?
vitamin C
which of the following breeds of swine is best on performance of litter size?
landrace
which breed of swine is considered the oldest?
berkshire
which species of livestock reaches puberty based on the season and not age?
goats
