巩固和提高牛品种杂交改良效果的措施

推广应用牛冷冻精液人工授精配种对本地牛进行杂交改良已经50多年,经过各级领导和有关部门的不断努力,牛品种改良工作有一定的进展,取得了一些成绩,但总体上说,效果不尽人意,农村牛群体形、生产性能没根本改善。本文针对生产实际中牛冻精人工授精配种改良工作的状况和面临的问题,分析了影响因素并提出建议措施,对巩固和提高牛品种杂交改良的效果,促进养殖业结构调整,增加农民收入具有一定的指导意义。

Measures on Consolidating and Improving Hybridization Effect on Cattle Breeds

More than 50 years had been passed since frozen semen was popularized and applied in improving the local cattle breeds by artificial insemination. The breed improvement had gained certain pro gress by the continuous efforts of the leaders at all levels and the relevant departments. However, as a whole, the effect was less than satisfactory in the aspects of cattle population body form and production performance. The article analyzed the influencing factors and proposed suggestions according the improvement work situations of frozen semen by artificial insemination in practice and facing problems, which had certain guiding significance in consolidating and improving the effect of breed hybridization, promoting the adjustment of cultivating industry structures and increasing the peasants＂ income.