摘要
本文研究樱桃谷鸭蛋形指数对孵化效果的影响、试验说明当蛋形指数为69～75％时．其孵化效果最好，孵化率达88．3％。健雏率最高。其中71～73％的蛋形指数．健雏率达92．7％．受精蛋孵化率达93．8％。当蛋形指数小于69．0％时，孵化率为81．3％．健雏率仅为83％．大于75％，孵化率为79．3％．健雏率77．3％。另外．蛋形指数对受精率影响不显著均为95％。
This paper studied the relation between aeg-shape of cherry Valley duck and hatchability. The test indicated thai the standard egg shape is oval.when the egg-shape index in 69-75%,the hatchability can reach 88. 3 %. The optimum egg-shape index is in the middle of 71-73%. The results showed that the effects of the egg-shape index on the fertility rate is not famous .every group is about 95%. So the eggshape index is very important during electing the eggs.
出处
《福建畜牧兽医》
1998年第4期10-11,共2页
Fujian Journal of Animal Husbandry and Veterinary medicine
关键词
樱桃谷鸭
蛋形指数
孵化率
健雏率
Cherry Valley duck, Egg-shape index,Hatchability. Survival rate
