Term
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Definition
- Geographical and breed dependent
- Breeds developed in regions which extreme seasonal changes in photoperiod were absent having less well-defined breeding seasons than breeds developed in temperate regions with sharp seasonla differences (opposite of expected)
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Term
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Definition
- Least noticible
- Vulva swells and reddens and mucous discharge may be present
- Only real behavioral sign is standing to be mounted by the ram
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Term
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Definition
- Ovulation without estrus occurs frequently at the onset and end of breeding season
- Estrous cycle lengths also tend to be shorter at these times
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Term
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Definition
- Lactationally influenced, like the cow
- Not very obseravable because most ewes lamb during nonbreeding season
- for ewes lambing during the breeding season, or ewes with less defined breeding seasons, a period of lactationally influenced anestrus can be observed for 4-6 weeks postpartum
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