黄牛规模化移植荷斯坦牛性控冻胚技术的研究进展

介绍了以黄牛为受体进行荷斯坦牛性控冻胚移植技术的研究进展,论述了黄牛规模化移植荷斯坦牛性控冻胚技术在我国奶牛养殖业发展中的广阔应用前景。

Current Situation and Development Countermeasures of Alpaca Breeding

This paper briefly introduces the biological characteristics and value of alpaca breeding,reviews the development of alpaca breeding,describes the global distribution of alpaca and the current situation of alpaca breeding in the introduction of well-bred,indicates the technology of feeding,managing and deep processing.And finally some countermeasures for future development of alpaca breeding in China are put forward.

黄牛规模化移植荷斯坦牛性控冻胚技术的研究

为了廉价地规模化快速繁殖荷斯坦母牛,试验将本地母黄牛作为受体,对屠宰的荷斯坦母牛卵巢中卵母细胞经体外成熟培养、体外X精子受精、冷冻性控胚胎、解冻及移植,使母黄牛受孕而繁殖。结果表明:受体母黄牛1 645头,妊娠率为40%,雌性率为95%,死亡率为1.1%,难产率为8%。

The Present Situation and Development Countermeasures for Meat Products Industry in Henan

This paper introduces the development and present situation of meat industry in Henan Province so as to get comprehensive understanding of this industry,including the advantages and insufficiencies of this industry,and then puts forward some countermeasures for the future development of the meat products of Henan Province,to realize the rapid,healthy and sustainable development of meat industry in Henan and create huge economic and social benefits in Henan.