天津市细管冷冻精液的研究和推广是中日奶业合作项目转让技术的一个重要的子项目,从研究实施到全市得到全国推广应用,历时三年,在这三年里,通过引进国外全套先进设备和学习吸收国外先进技术和方法,研制并惟广应用了优质细管冷北海精液。在冷冻精液生产制作、使用、贮存等技术得到 The research and promotion of Tianjin Pipe Frozen Semen is an important sub-project of the transfer technology of the Sino-Japanese dairy cooperative project. From the implementation of the research to the promotion and application of the entire country, which lasted three years, in the past three years, through the introduction of a full set of foreign Advanced equipment and learning to absorb advanced foreign technology and methods, developed and only widely used high-quality thin tube cold Beihai semen. Production of frozen semen production, use, storage and other technologies