Dairy Cattle Flashcards
Mature male
bull
mature female
cow
young male
bullock
young female
heifer
newborn
calf
castrated male
steer
group
herd
estrous cycle length
21 days
gestation period
283 days
avg lactation length
305 days
avg number of lactations
2.5
most popular breeds in the US
Holstein and Jersey
Which breed produces the most milk
Holstein
A dairy cow should produce a calf at ____ month calving intervals
12-13
which breed produces the most protein and fat in milk
Jersey
when do cows reach their peak production of milk
50-70 days post calving
How many gallons of water do they need a day
30
Inflammation/infection within the mammary tissue; high somatic cell count
Mastitis
UHT (Ultra Pasteurized milk) is shelf stable for how long
30-90 days
HHST will extend the shelf life to approx. how long
50 days
HTST is used for what
standard fluid milk
