EXAM 2 Flashcards
What was the primary cattle breed used to “improve” native cattle?
Shorthorn
What are the 2 main causes of sheep death in the U.S.?
predators and weather
What are the 3 things that makes someone a good livestock owner?
Mind that sees, mind that works, action attitude
When would you want to send a cow to the feedlot?
past the Infection point
Why are cows harvested past the inflection point?
To ensure marbling
3 Types of Swine Weaning
Segregated Early
Snatch Farrowing
Medicated Early
4 Types of Sheep Primal
leg, loin, flank, front
Primal cuts of a cow
chuck, rib, short loin, sirloin, round
Pig Primals
shoulder butt, belly, loin, ham, shoulder picnic
CTBR
Closely Trimmed Boneless Retail Cuts
What three groups made up the “cowboys”
ex soldiers, freed slaves, vaqueros
What was the first continental breed
Charlois
What was the most important breed in the cattle drive?
Hereford
Give one Seedstock examples in the producer pyramid
Swine International
Explain commercial in the producer pyramid
Producer- Every spring calving checks
Stocker phase in the producer pyramid
Grow as fast & as cheaply as possible
What year was the last FMD outbreak in the US?
1929
What is the average birth weight of a calf?
70 lbs
The rumen microbial population is not present at birth, therefore it develops with
the 1st forage
A calf is by a cows side for how many months?
7
The standard weaning length for calfs is how many days?
205
The average weaning weight is
600 pounds
“Stock phase” for cows means
cheap gains (high % forage)
Cattle need how many days on high energy feed to transition to white fat?
100
When are cattle harvested, is this efficient or not?
Past the inflection point which is less efficient
Cattle are harvested past the inflection point to
ensure marbling
What is cattle dressing percentage (DP)?
63% (Live Weight X DP = HCW)
5 things removed from cattle during slaughter
- 98% of blood
- Head
- Hooves
- Hide
- Internal Organs
USDA Quality Grades
Prime
Choice
Select
Standard
Prime Grade %
10-12% IMF
Choice Grade
5-10%
Select Grade
3-5%
Standard
<3%
Cows and mature bulls are harvested and eligible for
Commercial, Utility, Canner
Sliding scale
The older the animal the more marbling necessary to grade higher
The evolution of modern cattle feedlots began with
cannery waste
Define Cannery Waste
Taking advantage of cattle and their ruminants
Confinement of Swine
waste issues, animal welfare, NIMBY, environmental management