How to control the female estrus?

Donkeys are seasonal estrus animals. Estrus begins in March and April. It is the heat season in April and June. In July and August, the summer heat is weakened and the estrus period is longer. It stops until the autumn season and enters the flood season. It is also possible to use artificial induction methods, that is, to use the exogenous hormones (such as gonadotropin) or other substances or environmental conditions to stimulate the female asses during the pansy period of the female donkey. Under normal circumstances, the female donkey can be injected with gonadotropin or human chorionic gonadotropin prostaglandin to control the estrus of the female donkey. The female estrus has estrus time of 7-14 days, while others have 4-7 days. If the first estrous cycle has no continuation, the female asses will continue to heat for 22-25 days, and then undergo mating once again.

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