安格斯肉牛与本地黄牛杂交试验

Hybridization Test of Angus with Native Yellow Cattles

应用安格斯肉牛杂交改良青海省本地黄牛,经试验测定,杂一代犊牛初生重28.6kg,比青海本地黄牛15.09kg提高89.53%,1月龄、3月龄、6月龄平均体重分别为39.22kg、72.90kg和101.51kg,比同龄当地黄牛分别提高83.27%、109.45%和56.53%,杂交优势明显(P<0.01)。

The native yellow cattles in Qinghai provincl were improved with Angus by means of hybridization, The results were showed that the birth weight of first filial generation was 28.6kg which was more 15.09kg than that of native yellow catles in Qinghai provincl and increased 89.53 % ; the bady weight at the age of one month, two months and six months of them increased 83.29 %, 109.45 % and 56.53 % than that of contemprary native yellow cattles, respectively（ P 〈 0.01 ）.