蛋用鹌鹑黄羽系选育研究

Breeding Progress on the Yellow-feather Type of Egg-laying Quail

对神丹公司蛋用鹌鹑黄羽系采用全同胞家系方法选育了4个世代,结果显示,开产日龄为45 d,比零世代提前4～5 d;开产体重降低20%,每只为110 g;平均蛋重每枚达到11.1 g,20周龄产蛋数达到85.6枚,比零世代每只提高15.6枚;开产至20周龄的平均产蛋率达到90%。

Full compatriots family selecting ways was used on layer quail of Shendan company in this test.4 generations were selected with results as bellow. The date and body-weight of beginning-laying was 45d and ll0g respectively. The average weight of the egg was ll.lg, the total number of the eggs was 85.6 and the egg-laying rate was 90% when the quail was 20 weeks old. Compared with the zero generation, the 4^th generation was 4-5d earlier beginning-laying date, 20% lower beginning-laying weight and 15.6 more eggs for every one quail.