Cattle Flashcards
(11 cards)
1
Q
Cow gestational period
A
219-292 days
2
Q
Ideal calving interval
A
365 days
3
Q
Oestrus cycle length
A
21 days
4
Q
Length of oestrus
A
17 hours
5
Q
Time of ovulation
A
10-15 hours after end of oestrus
6
Q
Annual milk yield
A
Approx 200 times peak day yield
7
Q
Dairy cow daily food intake
A
3% bodyweight in DM
8
Q
Open period
A
Time from calving to next conception
9
Q
Optimum BCS at calving
A
2.5-3
10
Q
Max acceptable BCS loss during lactation
A
1 point
11
Q
A
