Dairy Cattle, Swine, and Poultry Industry Flashcards
What is the normal body temperature range for dairy cattle?
100.4-102.8
What is the normal body temperature range for a chicken?
105.0-109.4
Gestation period for pigs?
114 days
How long is a pigs estrous cycle?
21 days
How long is the incubation period of a chicken?
21 days
Castrated male pig
barrow
most popular white egg-laying breed of chicken
white leghorn
most popular pig breed in the US
Yorkshire
What country produces the most pigs/pork in the world?
China
top states for egg production?
Iowa, Indiana, Ohio, Pennsylvania, Texas
a contract producer is responsible for providing
facilities, land, equipment, labor
what percentage of broilers are reared by contract producers
90%
how long is the lactation period of a dairy cow?
305 days
At what age are dairy heifers weaned? At what age are they bred?
6-8 weeks; 12-14 months
How many days post-calving does a cow reach peak production?
50-70 days
What pathogen can cause mastitis and is frequently found in an unclean environment?
E.coli
A cow with mastitis will exhibit _________________ which can be used as an indicator of milk quality.
high somatic cell count
In a conventional parlor system cows must be milked how many times a day
2
Milk containing antibiotics is …
rejected; not sold for human consumption
How much should piglets weigh at birth
2-3 pounds
what is the market weight for pigs
280 pounds
what are the procedures designed to minimize the risk of disease transmission from sources outside the farm.
biosecurity
what is the major component of a pigs diet
corn and soybean meal
Swine genetic improvement occurs by selecting for traits such as
Reproductive efficiency
Lean muscle mass
Growth rate
