Goat goat cold sperm breeding technology
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July 17 01:25:57, 2025
First, select high-quality ewes for artificial insemination. It is essential to choose ewes with good genetic traits, strong fertility, and high cashmere production potential. These selected females will serve as the foundation for breeding programs, ensuring long-term improvements in flock quality.
Next, accurately identify estrus. Observing the physical and behavioral signs of estrus in ewes is crucial. By examining the color, texture, and discharge from the vaginal mucosa, breeders can determine the optimal time for insemination, increasing the chances of successful conception.
Third, strictly follow the technical procedures. First, ensure all instruments are thoroughly cleaned and disinfected after each use. After daily breeding sessions, instruments must be washed multiple times and properly disinfected before being used again the next day. Before each insemination, the ewe’s vulva should be carefully cleaned and sanitized to reduce the risk of infection.
Second, maintain a consistent temperature during the process. In colder seasons, it is important to preheat the insemination tools and the opener to prevent sudden temperature changes that could harm the sperm. This helps maintain the viability of the frozen semen.
Third, properly dilute the semen using the "four fast" technique: 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 ensure a quick thawing process. This method maximizes the survival rate of the frozen sperm, improving the success of the procedure.
Lastly, perform the insemination with skill and care. Based on years of experience, Jiang Qingli developed an effective insemination cage that makes the process smoother and more efficient. During the procedure, movements should be gentle to avoid damaging the ewe's vaginal tissues. He often emphasized that artificial insemination requires continuous practice, refinement, hands-on experience, and thorough testing. Only through such dedication can ewes of varying ages and conditions be successfully bred.