Species Specific Parameters Flashcards
Estrous Cycle - Sow
17-25 days (Avg = 21d)
Ruminant (Cow, Ewe, Doe) Placentation
Cotyledonary Epitheliochorial (binucleate giant cells) Villous Nondeciduate
Estrus - Mare
4-7 days
Stage I Duration - Bitch
Pluriparous: < 1 day Maiden: may be > 1 day
Time of Ovulation - Doe (goat)
30-36 hrs frm onset of estrus
Gestation Length - Camelids
335-360 days
Primate Placentation
Discoidal
Hemochorial
Trabecular
Deciduate
Estrous Cycle - Doe (goat)
18-24 days (Avg = 21d)
Estrus - Cow
4-18 hours (Avg =10hr)
Camelid Placentation
Diffuse
Epitheliochorial
Villous
Nondeciduate
Time of Ovulation - Mare
24-48 hrs prior to end of estrus
Stage II Duration - Mare
30-60 minutes
Estrus - Doe (goat)
12-36 hours
Time of Ovulation - Sow
2/3 through estrus
Estrus - Ewe
24-36 hours
Time of Placental Takeover - Mare
100-120 days
Time of Ovulation - Cow
24-30 hrs from onset of estrus
Estrus - Sow
2-3 days
Gestation Length - Mare
320-360 days
Gestation Length - Cow
270-290 days
Time of Ovulation - Bitch
Usually 48-60hrs after LH peak
OVULATE PRIMARY OOCYTE