HERITABILITY ESTIMATES OF ADULT BODY WEIGHT AND EGG PRODUCTION TRAITS IN INDIGENOUS UTTARA CHICKENS

M.K. SINGH¹*, S. KUMAR², R.K. SHARMA³, S.K. SINGH⁴, B. SINGH⁵, D.V. SINGH^6
1Department of Poultry Science, Uttar Pradesh Pandit Deen Dayal Upadhyaya Pashu Chikitsa Vigyan Vishwavidyalaya Evam Go-Anusandhan Sansthan, Mathura, 281001, Uttar Pradesh, India
²Department of Livestock Production Management, Govind Ballabh Pant University of Agriculture and Technology, Pantnagar, 263 145, Uttarakhand, India
³Department of Livestock Production Management, Govind Ballabh Pant University of Agriculture and Technology, Pantnagar, 263 145, Uttarakhand, India
⁴Department of Livestock Production Management, Govind Ballabh Pant University of Agriculture and Technology, Pantnagar, 263 145, Uttarakhand, India
⁵Department of Livestock Production Management, Govind Ballabh Pant University of Agriculture and Technology, Pantnagar, 263 145, Uttarakhand, India
⁶Department of Livestock Production Management, Govind Ballabh Pant University of Agriculture and Technology, Pantnagar, 263 145, Uttarakhand, India
* Corresponding Author : drmksingh_1@rediffmail.com

Received : 10-02-2018     Accepted : 25-03-2018     Published : 30-03-2018
Volume : 10     Issue : 2       Pages : 357 - 359
Genetics 10.2 (2018):357-359
DOI : http://dx.doi.org/10.9735/0975-2862.10.2.357-359

Keywords : Adult body weight, egg production, heritability, Uttara chickens
Academic Editor : Dr Vijay Kumar
Conflict of Interest : None declared
Acknowledgements/Funding : The authors also thankful to the Director, Experiment Station, Dean, College of Veterinary and Animal Sciences and Instructional Poultry Farms (I.P.F.), Nagla, G.B. Pant University of Agriculture and Technology, Pantnagar for providing necessary facilities to conduct the experiment. Author thankful to contribution of Dr. R. P. Singh, Retired Professor & Head Department of Animal Breeding, College of Animal Sciences, CCS Haryana Agricultural University, Hisar
Author Contribution : All author equally contributed

Data on female adult body weight and egg production measurements were analysed to obtain their heritability estimates. The mean values for body weight and egg production at various ages showed good performance of indigenous Uttara chicken. The heritability estimates observed for body weight decrease with increasing age of birds. The heritability values for various egg production traits at 40 and 58 week were low to high in magnitude. Changes in heritability estimates across different ages indicated expression of different genes at different ages of the Uttara fowl and the reduction of environmental effects as the flock is maintained under quite uniform environmental conditions.

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