Question

difference between menstrual cycle and ostrous cycle

Answer 1

(i) oestrus cycle
Seen in Seasonal breeders.
Doesn't involve the lose of blood.
Large number of off springs.
Feels the hit seasonally only.
eg: Cows, Cats, Sheeps etc.


(ii)Menstrual cycle
Seen in continuous breeders.
Involve the lose of blood.
Few healthy off springs.
Monthly cycle.
eg: Humans, Apes, Monkeys etc.

Answer 2

The major difference between an estrous cycle and a menstrual cycle is that

a. sexual receptivity occurs only around ovulation in the estrous cycle, but it can occur during any time of the menstrual cycle.

b. estrous cycles occur in reptiles, but menstrual cycles occur in mammals.

c. estrous cycles are determined by FSH, but menstrual cycles are determined by LH.

d. estrous cycles occur monthly, but menstrual cycles occur sporadically.


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