Definition of "oestrous" [oestrous]

• Alternative spelling of estrous. (adjective)

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• "In female rats, DEHP and its metabolite disrupt normal biological processes by prolonging oestrous cycles, suppressing or delaying ovulation and reducing estrogen and progesterone concentrations."
• "Analysis showing that nulliparous female elephants do not direct their oestrous behaviour appropriately towards musth males, unlike parous females."
• "In fact, regardless of the dominant sex, the leverage of females increases when they are in oestrous because they have an inalienable commodity: their eggs ready to be fertilized"