The effect of oviposition time on hatching traits of different chicken genotypes

被引：2

作者：

Boz, M. Akif ^{[1
]}

Sarica, M. ^{[2
]}

Yamak, U. S. ^{[2
]}

机构：

[1] Bozok Univ, Fac Agr & Nat Sci, Dept Anim Sci, TR-66200 Yozgat, Turkey

[2] Ondokuz Mayis Univ, Fac Agr, Dept Anim Sci, Samsun, Turkey

来源：

EUROPEAN POULTRY SCIENCE | 2014年 / 78卷

关键词：

Chicke; genotype; oviposition time; hatching egg weight; hatching characteristics; body weight; EGG QUALITY CHARACTERISTICS; WEIGHT; AGE;

D O I：

10.1399/eps.2014.11

中图分类号：

S8 [畜牧、动物医学、狩猎、蚕、蜂];

学科分类号：

0905 ;

摘要：

This study examined differences in the oviposition times of pure layers and broilers and their crossbreeds as well as the effects of oviposition time on hatching traits, chick hatching weight and chick weight at 6 weeks. Oviposition time had a significant effect on chick hatching weight; however, the effect on fertility, hatchability and chick weight at 6 weeks was insignificant. In all genotypes, the majority of eggs were laid in the morning. Overall, 96.1% of eggs collected in the morning and 94.7% of those collected in the afternoon were laid in nest boxes. Eggs laid in the morning were heavier than those laid in the afternoon. During the first two laying periods, the hatching egg ratio was higher for eggs collected in the afternoon.

引用

页数：9

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