ESTROUS Flashcards
top sign that the animal is in heat
receptivity
specific phase / period of receptivity / how many days
estrus / 9 days
the adjective to describe the whole cycle
estrous
happens in animals that are seasonally polyestrous animal / example of animal?
anestrus / sheep
The stage wherein the animal not in heat but have still ovarian activity
Diestrus
phase where there is vulvular hyperemia and cornified cells
proestrus
ovulation occurs in what phase? except in what animal?
estrus/cows
Ovulation occurs about 12 hours after the end of oestrus
Ovulate during metestrus
T/F: Ovulation is a spontaneous process in all domestic species
false: Except cat, rabbit and camelids
Ovulation is induced by the act of coitus
main hormone in estrus?
oestradiol
main hormone in follicular phase?
proestrus and estrus = progesterone
Stage of estrous cycle where the formulation of CL occurs
metestrus
what is the luteal phase and its main hormone
metestrus and diestrus; estrogen
prolonged priod of sexual rest
anestrus
phase that has fully functional CL and cervix becomes constricted and scant
diestrus
non functional CL, cervix is constricted and sec scant
anestrus
3 extrahypothalamic areas
cerebral cortex, thalamus and midbrain
mares are seasonal breeder, and during winter anestrus
T
ave length of equine estrous CYCLE and when does ovulation occurs?
20-23 days, ovul = penultimate or last day pf oestrus
T/F: the mare exhibitis flehmen during oestrus
False. Stallion
optimal time for ai in cow
4 to 12 hours after of onset of oestrus
T/F: tail wagging is a sign of estrus in goat
F. sheep
stationary and rigid attitude are signs of estrus in pigs
T
T/F: there is immobilization reflex in sow
False - Goat
T/F: in bitches, anestrus has no proven benefits
F
