Animal Science Quiz test answers Flashcards
the US produces th emost lbs of beef, because of greater efficienty, breed types, and US has greatest pop in world
False
cattle prefer to browse of woody shrubs/plants
false
most sheep and horses are referred to as season polystrus
true
the angora goat is known for producing mohair
true
the beef industry usually runs on a 5 year cycle of growth and decline of cattle inventroy
true
in recent years Utahs goat pop has been increasing
true
we find more cattle in states like NM and UT because we need less acres per cow compared to states like KY and FL
false
which word indicates a set of birds with similar characteristics
breed
use the flow chart below to correclty label the structure of the beef industry discussed in claass
a. seedstock production
b. commercial
c. yearling stocker,
d. farmer feeders
e. feedlots
f. packers
peak sheep inventory numbers occured between what years in US
1880-1940
you have. apiece of ground that can comfortablyh graze 300 cow calf pairs over growing seasonl. how many sheep could you graze if you replaced half of cow calf pairs with mature ewes
750
producers on enterprieses with more than 10 goats generally report that their goats are used for
meat
what type of fibers can be found within a sheep fleece
hair, wool, kemp
which term best describes stocker operation for cattle
adds weight to weaned calves before finishing
which is the most commonly used breed of chicken for egg production inUS
white leghorn
continental breeds were introduced into crossbreeding programs to
increase size of calves, increase muscle growth, increase herterosis
which of the following terms is used for a young femal pig that has not had piglets
gilt
what is the cause for the greatest amount of piglet mortailtiy preweaning
crushing
what animal can be consdiered a guard animal for hseep and goats
all of the above
popular terminal sire breed of sheep
suffolk
fine wool breed of sheep orginating from france an dpopular on US ranch operations
rambouillet/merino
darity goat breed that comes in a vaeity of colors and has a distinct roman nose and penduous ears
nubian
maternal breed of swine
yorkshire, landrace, chester white
sire breed of swine
duroc, berkshire, hampshire, spotted, poland china
most popular breed of bos tauraus cattle
angus
bos indicus breed of cattle commonly used in Southern US
brahman, zebu
breed of cattle gthat expresses double muscling
belgian blue
most popular terminal sire breed of goat
boer
carpet wool breed of sheep
scottish blackface, navajo churro, herdwick, lincoln, suffolk
what predator of Us kills mroe sheep than anhy other animal
coyote
from 2016 to 2022 which country did the US export the most beef to
japan
choose the correct ranking of wool characteristics from most important tow ool value to least important
yield, average staple length, crimp
whtihc number is ocnsidered to be an optimal BCS for cattle
6
what three breeds of sheep were developed in US in Debois nOIdaho Sheep Experiemnt station
columbia, targhee, polypay
what is BCS
asses level of body fat reserves. a number ranging from 1-9
where are two areas to measure BCS
spine, ribs, pins, hooks, tailhead
what BCS would u give this cow
- increased fat cover over ribs, last ribs are distinguishable, tailhead full, but not rounded
how can BCS be used in a producgtion setting
to see if they can be used for meat consumption. we can see if they can reproduce well. see how noursihed they are. illness detection
explain in detaill the difference between chickens raised for meat 100 ya, vs modern day meat fchicken. list 3 things the industrust has done better, and how it has positivelty affected prodcution. additionaly, descrfibe how industry has been able to make this change in comparison to other industries/species of lifestock
intensehuman involvment. improved nutrition, management, breeding programs.
Ai and incubators, speedy postal delivery, better nutriton.
more efficient and safer production, higher uscces rates, healtier, better chickens.
thye can lay more eggs than other species. very controlled spcaes vertical integration
how the swine industry is indluenfed by traits. talked about four categories of traits, list two and discuss 2 speifcif traits in terms of impact to industry for one of the categories
production, and reporduction, quality, aesthetic
reproduction - litter size - important because that is more pigs
survivabilikty of pigs - impoirant because we want the pigs to survive and be healthy for more product
define the term integration, speicially vertical integration as discussed. what benefits does this offer an industry, and name on eindustry that is integrated and on ethat is less integrated
all phases of operation under control of one corporate owner
some benefits are more control over every stpe, decreased prices
one very integrated is broiler and turkey.
not integrated is beef
