Old Quiz 6 Flashcards
A group of medium framed newly wean steer calves are being sold as feeder calves in the fall. What are two program options available for these calves prior to being sold as market ready steers?
Finishing and/or grower/finisher operations
Relative to question one answers what are two important differences between these options
Finishing is high green diet with a shorter amount of time needed for more intense gains (3lb/day)
Growing/finishing is grain in Forge diet with a longer amount of time for less intensive gains (2.25 lb/day)
Why do we see the majority of beef feed lots located in the central plane region of the US
The climate, geography, and feed stuff availability is greater
What is the major impact of stress on the health of transported feeder calves
Stress increases cortisol levels in transported feeder calves that have a weekend immune system’s. This makes them more susceptible to sickness/respiratory problems
What are two general differences between farmer feeder and commercial feedlot operations
Farmer- <1000 head and family owned, all in and all out
Commercial- >1000 head contract/ corporation owned 2-2.5 rotations a year
What would be one reason for implanting beef feedlot cattle
He improves feed efficiency and average daily gain
Why would a feedlot operator choose to use the feed additive Tylosin in cattle rations
It decreases likelihood of liver abscess and increaces fat gain
Define the Thermo neutral zone
The zone between LCT and UCT. Where in animal does not have to expand additional energy to maintain body temp
The main difference between a wintering stocker program and backgrounding stocker program is what
Wintering has slower gains
Backgrounding has faster gains
US fed cattle are finished on high grain diet’s. What is the most important/common green typically fed to cattle in the US
Corn
If stressed feeder cattle are more likely to get sick and die after being transported, what is often done to minimize the extent of their illness
They can be vaccinated before transport and transitioned into the finishing cattle diet
What is one specific activity typically done during the processing of new feeder calves upon arrival into a feedlot
Identification and vaccinations
What are the two factors used to determine quality grades in beef cattle
Maturity and marbling
It is November and a group of cattle are in a pasture with trees and brush to block away any wind that might be present. Day starts off as a bright sunny day but quickly changes to cloudy and rain. If the critical temperature is 32° at the start of the day would it go up or down after the weather change
Lct will go up
What would be the main ingredient in a Holstein cattle feed Lot ration
Corn
