Oestrus Period (hours)

Oestrus period, also known as oestrus duration, in numbers of hours, is the period of sexual receptivity in female animals. In may range from 1.3 to 20 hours in cattle and from 24 to 48 hours in sheep (Bath et al., 1985; Mukasa-Mugerwa, 1989; Berger et al., 1989).
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