Puberty and Estrous cycle Flashcards
reflex or induced ovulation happens in
rabbit
spontaneous ovulation with mating happens in what animals
rat
spontaneous ovulation happens in what anumals
ruminant, sow, primates, mare, dog
3 types of ovulation
spontaneous ovulation, spontaneous ovulation with mating, reflex or induced ovulation
imposing of a pregnancy on an existing pregnancy
superfetation
rabbit’s estrus length
not well defined
mare’s av. estrus length
5 days
ewe’s av. estrus length
30 hours
sow’s av. estrus length
3 days
cow’s av. estrus length
10 to 30 hours
rabbit estrus
15 days
sheep estrus cycle
16 days
mare estrus cycle
21 days
sow estrus cycle
21 days
cow estrus
21 days
the time when the ewe is not cycling
anestrus
seasonal breeders
sheep and horses
polyestrus animals
cattle
are in estrus more than once a breeding season or year
polyestrus
has only 1 estrus in a breeding season of year
monoestrus
causes of anestrus
pregnancy
season
nutriotion
pathology
presence of offspring
the reproductive tract becomes less active
diestrus
the female is sexually receptive to the male for mating
estrus
follicle matures to release the egg
proestrus
