POLYMORPHISMS IN HYPOTHALAMIC-PITUITARY GONADAL AXIS GENES AND THEIR ASSOCIATION WITH EGG PRODUCTION IN ANAND SYNTHETIC WHITE LEGHORN AND ANAND BANTAMISED WHITE LEGHORN CHICKEN
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Date
2021
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Department of Animal Genetics & Breeding College of Veterinary Science and Animal Husbandry Anand Agricultural University, Anand
Abstract
India is the world's third largest egg producer, contributing 6% of global egg
production. The domestic demand as well as exporting demand is increasing day by
day. About 82% of total egg production in India comes from commercial poultry
farming. The layer industry in India mostly relies on different strains and lines derived
from White Leghorn and Rhode Island Red chicken breeds. The genetic variation
among different breeds, strains and lines provides a reliable source of increasing egg
production through scientific breeding approaches. India has achieved tremendous
success in improving egg production through the phenotypic selection. However,
response to phenotypic selection may diminish once the genetic variation is
exhausted. Recent advancements in molecular technologies offer a great opportunity
to identify and introduce genetic variations related to laying performance. Next
generation sequencing along with candidate gene approach provide a promising future
for increasing egg production in minimum time.