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Related articles:
Ovulation
Endometrium
Corpus luteum
Pig
Fertility
Estrogen
Pregnancy
Melatonin
Neutering
Goat
Key terms: cycle days estrus phase species animals heat ovulation active estrous cycle cat typically horse weeks hormone diestrus anestrus winter reproduction induced estrogen describe breeders pregnancy occur copulation gadfly oestrus follicle progesterone corpus luteum rats spring humans endometrium melatonin develop ciclo some animals lining stimulation spontaneously variability releases cow receptive starts uterus some species mating Search external links cited by footnotes on Wikipedia page Estrous cycle: |
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