Goat goat cold sperm breeding technology
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July 17 01:19:58, 2025
First, select high-quality ewes for artificial insemination. It is essential to choose ewes with strong genetic traits, good health, and a history of high cashmere production. These ewes will serve as the foundation for breeding programs, ensuring the quality and consistency of future generations.
Next, accurately identify estrus in the ewes. Observing external signs such as swelling of the vulva, increased restlessness, and changes in vaginal mucus color and consistency helps determine the best time for breeding. Timely detection ensures higher conception rates and better reproductive outcomes.
Third, strictly follow the technical procedures throughout the process. First, ensure proper cleaning and disinfection. After each breeding session, all instruments must be thoroughly cleaned and disinfected before use the next day. Before insemination, the ewe's vulva should be carefully cleaned and disinfected to reduce the risk of infection.
Second, maintain a consistent temperature during insemination. In colder seasons, preheat the insemination equipment and the cervical opener to avoid sudden temperature shocks that could harm the sperm. This helps preserve sperm viability and improves the chances of successful fertilization.
Third, properly dilute the semen following the "four fast" principle: quickly retrieve the semen from the liquid nitrogen tank, rapidly transfer it into pre-warmed thawing solution, gently shake it to speed up melting, and complete the thawing process as quickly as possible. This method helps maximize the survival rate of frozen sperm.
Finally, perform the insemination technique with skill and care. Based on years of experience, Jiang Qingli developed a practical insemination cage that allows for more controlled and efficient procedures. The process should be carried out gently to avoid damaging the vaginal tissues. He often emphasized that artificial insemination requires continuous practice, refinement, and hands-on experience. Only through repeated trials can breeders successfully apply the technique to ewes of varying ages and conditions, ensuring optimal results in every breeding cycle.