GENETIC STUDIES ON PRODUCTIVE AND REPRODUCTIVE TRAITS OF JAPANESE QUAILS

被引：0

作者：

Kumari, B. Punya ^{[1
]}

Gupta, B. Ramesh ^{[1
]}

Prakash, M. Gnana ^{[1
]}

Reddy, A. Rajasekhar ^{[1
]}

Reddy, K. Sudhakar ^{[1
]}

机构：

[1] Sri Venkateswara Vet Univ, Coll Vet Sci, Tirupati 517502, Andhra Pradesh, India

来源：

INDIAN JOURNAL OF ANIMAL RESEARCH | 2009年 / 43卷 / 04期

关键词：

Egg production; Japanese quails; Reproductive traits;

D O I：

暂无

中图分类号：

S8 [畜牧、动物医学、狩猎、蚕、蜂];

学科分类号：

0905 ;

摘要：

Data on body weight at 4 weeks age, age at first egg and cumulative egg Production up to 12, 16 and 20 weeks of age of a total 617 Black and Brown strains of Japanese quails were analyzed. Strains, generations and hatches had significant influence on all the traits studied. Black quails were significantly heavier and laid more eggs. The quails of fifth generation recorded lowest least-squares mean for age at first egg with higher egg production. Heritabilities varied from moderate to high in Black and were high in Brown strains. Genetic and phenotypic correlations among the traits varied from low to high.

引用

页码：267 / 270

页数：4

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