| 1. | Female mice housed together tend to go into anestrus and do not cycle.
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| 2. | It is also used for treating of postweaning anestrus in economically important farm animals.
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| 3. | Anestrus is the period of reproductive quiescence.
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| 4. | Anestrus generally lasts four to five months.
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| 5. | Horses mate in spring and summer, autumn is a transition time, and anestrus rules the winter.
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| 6. | As the days shorten, the mare returns to the anestrus period when she is not sexually receptive.
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| 7. | Most mares enter an " anestrus " period during the winter and thus do not cycle in this period.
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| 8. | If females fail to farrow despite being anestrus and are sent to an abattoir, their uteruses should be collected and examined for affected fetuses.
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| 9. | As the days shorten, most mares enter an " anestrus " period during the winter and thus do not cycle in this period.
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| 10. | Dams may return to estrus, fail to farrow despite being anestrus, farrow few pigs per litter, or farrow a large proportion of mummified fetuses.
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