e cycle table
DESCRIPTION
hTRANSCRIPT
-
8/2/2011
1
Species Length of Estrous
Cycle (days)
Duration of Estrus
(Hours)
Time of Ovulation
Ewe 16-17 24-36 30-36 hr fro beginning of estrus
Goat 21 20-35 -
Sow 19-20 48-72 35-45 hr from
beginning of estrus
Cow 21-22 18-19 10-11 hr after end of
estrus
Mare 19-25 4-8 days 1-2 days before end
of estrus
Estrous Cycle, Estrus, and Ovulation in Farm ANimals