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Genetic and phenotypic parameters estimates for body weight, conformation, production and reproduction traits of PD1 (Vanaraja male line) during different periods

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Title Genetic and phenotypic parameters estimates for body weight, conformation, production and reproduction traits of PD1 (Vanaraja male line) during different periods
Not Available
 
Creator M K PADHI, R N CHATTERJEE, U RAJKUMAR, T K BHATTACHARYA and S K BHANJA
 
Subject Body weight, Conformation, Heritability, Production, Reproduction, Vanaraja
 
Description Not Available
The present study was undertaken to investigate growth, conformation, production and reproduction performance
of PD1 (Vanaraja male line). The data collected for different periods from the birds were produced using 50 sires
and 250 dams through pedigreed mating. Body weight was 640.21 g and shank length 75.39 mm at 6 weeks of age
in pooled sex. In female the shank length increases faster up to 12 weeks of age and at 20 weeks it reached the
maximum length, whereas other traits like body weight, keel length and breast angle increased up to 20 weeks of
age. The ASM was 188 days and egg production up to 40 weeks of age was 46.29 eggs with egg weight at 40 weeks
54.61 g. The fertility % and hatchability % on total egg set and fertile egg set were 90.46, 83.20, and 91.38 %,
respectively. The heritability estimates for juvenile body weight and conformation traits are low in magnitude.
Growing period body weight showed moderate heritability estimates, whereas, conformation traits during growing
period showed low to moderate heritability estimates. Egg production and age at sexual maturity showed low
heritability estimates. Fertility and hatchability % showed moderate heritability estimates. Genetic and phenotypic
correlation were estimated between different traits at different period and showed varying levels of correlations
estimates. The results indicated that PD1 line has the potential for further improvement and to be used as male line
to produce backyard variety and to increase the performance of Vanaraja commercial
Not Available
 
Date 2021-08-21T06:54:16Z
2021-08-21T06:54:16Z
2015-08-11
 
Type Research Paper
 
Identifier Not Available
0367-8318
http://krishi.icar.gov.in/jspui/handle/123456789/59012
 
Language English
 
Relation Not Available;
 
Publisher ICAR