R2. Oestrus Cycle Flashcards
1
Q
Duration of oestrus in the cow
A
8 hours
2
Q
time of gonadotrophin surge in cow
A
onset of oestrus
3
Q
Time of ovulation in the cow
A
10-14 hours after end of oestrus
4
Q
cycle length in the cow
A
18 to 24 days
5
Q
duration of oestrus in the ewe
A
36 hours
6
Q
time of gonadotrophin surge in the ewe
A
onset of oestrus
7
Q
time of ovulation in the ewe
A
24-30 hr after onset of oestrus
8
Q
cycle length of ewe
A
15 -17 days
9
Q
duration of oestrus in the sow
A
2-3 days
10
Q
time of gonadotrophin surge in the sow
A
onset of oestrus
11
Q
time of ovulation in the sow
A
36-48 hr after onset of oestrus
12
Q
cycle length of the sow
A
19-22 days
13
Q
duration of oestrus in the mare
A
5-15+ days
14
Q
time of gonadotrophin surge in the mare
A
gradual rise during oestrus
15
Q
time of ovulation in the mare
A
1-2 days before end of oestrus
