Genetics of body weights in a control line of Rhode Island Red grower chicken

ANANTA KUMAR DAS; SANJEEV KUMAR; ANIL KUMAR MISHRA; ABDUL RAHIM; LAXMIKANT SAMBHAJI KOKATE

doi:10.56093/ijans.v87i8.73575

Authors

ANANTA KUMAR DAS ICAR-Indian Veterinary Research Institute, Izatnagar, Uttar Pradesh 243 122 India
SANJEEV KUMAR ICAR-Indian Veterinary Research Institute, Izatnagar, Uttar Pradesh 243 122 India
ANIL KUMAR MISHRA ICAR-Indian Veterinary Research Institute, Izatnagar, Uttar Pradesh 243 122 India
ABDUL RAHIM ICAR-Indian Veterinary Research Institute, Izatnagar, Uttar Pradesh 243 122 India
LAXMIKANT SAMBHAJI KOKATE ICAR-Indian Veterinary Research Institute, Izatnagar, Uttar Pradesh 243 122 India

DOI:

https://doi.org/10.56093/ijans.v87i8.73575

Keywords:

Body weight, Correlations, Genetic parameters, Heritability, Non-genetic parameters, RIR chicken

Abstract

Investigating a control line population of RIR grower chicken to estimate genetic and non-genetic parameters of its body weights, it was summarized that body weight growth is influenced by its sire-inheritance and sex where males being heavier throughout the ages. Significant hatch- differences and chick weight-regression effect were also noticed up to the age of 16th week. The heritability, genetic and phenotypic correlation estimates were mostly with moderate to high magnitudes. Thus the present findings could serve as the pre-requisites for chalking out of breeding strategies for genetic improvement of the chicken genotype.

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References

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