Questions 169-203 Flashcards
which species of livestock has a diploid number of 27(pairs of chromosomes)
sheep
which of the following countries has the greatest number of hogs
china
the expected yield of a hog with a USDA quality grade of No. 1 is
60.4% or greater
which protein concentrate is limited to use by ruminants
urea
when using ultrasound to evaluate breeding swine, the two measurements taken are backfat thickness
loin-eye area
which species of livestock is most efficient into converting feed into energy and protein
swine
the amount of ammoniacal nitrogen in a feed multiplied by 6.25 is the _____ content of a feed
crude protein
the degree to which the crossbred offspring out performs its purebred parents is
Hybrid vigor
anthrax is a disease caused by bacteria that may remain in the soil for _____ years or longer
40
what is a common disqualification in rules for registering animals in a breed association
color marking
fistulated cattle are used primarily for ______ studies and research
nutrition
a permanent change in the genotype of an offspring from that of its parents
mutation
brisket disease affects the _______ in cattle
heart
which polled breed of cattle originated from horned cattle due to a genetic mutation
polled hereford
what is an animal resulting from the mating of two different breeds
crossbred
the most prevalent breed of sheep in the world is the
mernio
the secretion and production of milk in sheep, cattle and swine is known as
lactation
____ is a measure of the degree of difference between the offspring of a specific bull and the offspring of the average bull of breed in the trait being measured
EPD
what Is the infertile female calf born as a twin to a fertile male calf called
freemartin
the normal body temperature of cattle is
101.5 F
a medication sprayed directly into the animal’s nostrils is called a ______ injection
intanasal
swine dysentery is also known as
bloody scours
a disease carried by insects that affect the eyes of cattle is
pinkeye
which trait in sheep has the lowest heritability estimate
feed efficiency
the feed component containing the most easily digested carbohydrates is the
nitrogen free extract
which of the following feeds is highest in total digestible nutrients (TDN)
corn
medications used to promote immunity in livestock that are derived from plasma and fibrinogen removed from blood are
serums
breeds of cattle that are used for both milk and meat production are considered to be
dual-purpose breeds
which exotic breed of cattle originated from Italy
Chianina
in comparing breed performance for litter size in swine, which breed has the highest litter size ratio
landrace
the pork promotion, research and consumer information act of 1985 established an assessment of ___ per $100 value of pork sold in the US
40 cents
goat meat is marketed under the name
chevon
disease caused by an organism that mainly affects the lungs
tuberculosis
cotswold sheep are classified as
long wool
the tube that carries air to an animal’s lungs
trachea
