| 摘要 |
The process of extending the life in the uterus of a mare of sperm cells produced by natural breeding. The extension in life is achieved by insertion prior to natural breeding of an equine semen extender, the equine semen extender consisting of 0.5-2 parts by weight of a milk product, 0.05-2 parts by weight of a sugar nutrient, and a capsule consisting of 2-4 parts by weight gelatine enclosing and containing the milk product and sugar nutrient.
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