Genetic impact on  external and internal egg quality  traits of Vanaraja and Gramapriya birds and their crosses in Bihar

DOI: 10.18805/ijar.B-3330    | Article Id: B-3330 | Page : 953-958
Citation :- Genetic impact on external and internal egg quality traits of Vanaraja and Gramapriya birds and their crosses in Bihar.Indian Journal Of Animal Research.2018.(52):953-958
Beena Sinha, K.G. Mandal, Ragini Kumari, Anjali Kumari and D. S. Gonge bkumarvet@gmail.com
Address : Department of Animal Genetics and Breeding, Bihar Veterinary College, Patna - 800 014, Bihar, India.
Submitted Date : 25-10-2016
Accepted Date : 11-03-2017

Abstract

Poultry farming is gaining strength in mitigating livelihood and nutritional security to the poor farmers which constitute 60% of the India’s population. Thus eggs of superior quality is prerequisite for profitable marketing and for hatchability too. The present study was conducted on two improved varieties,  Vanaraja (dual purpose type) and Gramapriya  (the layer type) chicken developed at PDP, Hyderabad and their crosses on random mating. The genetic groups taken were Gramapriya (male) x Gramapriya (female),Vanaraja(male) x Vanaraja(female), Gramapriya(male) x Vanaraja(female)and Vanaraja (male) x Gramapriya(female). 6 males and 30 females were taken from each genetic group and maintained separately under deep litter system with a mating ratio of 1 male : 5 females. To study the genetic effect on external and internal egg quality traits, a total of more than 50 eggs were collected at random from each of 4 genetic groups upto 28 weeks of age. The average shell thickness obtained to be ranged from 0.36 to 0.39 mm. The average albumen and yolk indices were found to be ranged from 7.396 to 8.656 and 41.749 to 43.888 respectively. The average shell weight and percentage of shell weight observed to be ranged from 4.147 to 5.627 g and 17.266 to 18.003% respectively.

Keywords

Gramapriya Egg quality traits External Internal Vanaraja and their crosses

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