Puberty
1-1.5 years
Cyclicity
Seasonally polyoestrous long day breeder
Estrus Length
5-7 days
Time of Ovulation
1-2 days before the end of estrus
Embryo enters Uterus
5 days post-fertilisation
Maternal recognition of Pregnancy
40,000D protein or E2
Type of Placenta
Anatomically Diffuse placenta Histologically Epitheliochorial placenta
Hormonal Background of Pregnancy
CL independent (placenta takes over around Day 70)
Gestation
330 days (310-360)
Post- partum Resumption of Cyclic Ovarian Function
7-10 days after birth there is the ‘foal heat’
Length of Involution
21 days