南黄杂种牛与本地黄牛生长发育对比研究

The comparative research on growth and development of south-crossing cattle and GanNan Yellow Cattle

针对甘南本地黄牛体格小、生产性能低的现状,用南德温牛细管冻精授配甘南本地黄牛,结果表明,南杂F1代个体具有早熟、生长快、耐粗饲、饲料转化率高、抗病力强、难产率低等一系列优良特性,很适合当地黄牛养殖区大面积推广。

Face to the present situation on little growth charceer, caqability mensuration of GanNan Yellow Cattle , use Straw Forzen Senmen of south Devon cattle to Artificial Inseminate GanNan Yellow Cattle ,the result instrust： there are some excellent charactefistis of F1 generation of tulips on Early - maturing , Quick - growth , Extensive feeding, High feed - conversion efficiency, strong - anti - didease ablity ,low- dystocia morbidity and so on ,it is large -care fit to extend in GanNan,