Kavitha Unnikrishnan¹*, Chinni Preetam¹, Daida Krishna¹ and U Rajkumar²

¹College of Veterinary Sciences, Hyderabad, Telangana, India
²ICAR-Directorate of Poultry Research, Hyderabad, Telangana, India

*Corresponding Author: Kavitha Unnikrishnan, College of Veterinary Sciences, Hyderabad, Telangana, India.

Received: March 28, 2023; Published: May 13, 2023

Abstract

The present study was aimed at evaluating the performance of Gramapriya female line (PD-3) chicken reared under intensive system for production. Data collected on 619 hens, produced from 50 sires and 250 dams in a pedigreed full-sib mating in five hatches during 9th generation, were utilized for the present investigation at ICAR- Directorate of Poultry Research, Hyderabad. Hens attained sexual maturity (ASM) at 153.88 ± 1.38days. The body weight of hens (BW) at 20, 40, 52 and 64 weeks was 1539.86 ± 15.08, 1733.18 ± 23.22, 1901.89 ± 26.34 and 1934.56 ± 29.82g respectively. The egg weight varied from 53.30 ± 0.35 g to 60.23 ± 0.46 g from 28 to 64 weeks and exhibited moderate to high heritability. The total egg production (EP) to 64 weeks was 204.02 ± 3.96 with low to moderate heritability while egg mass up to 64 weeks was 12368.9 ± 4.06 g. The correlation coefficients revealed positive correlation between body weight, egg weight and egg mass. However, correlation between egg weight and egg production was negative and varied from low to high in magnitude. A similar trend was observed in correlation between body weight, egg production and age at sexual maturity. Based on results of the study, it was concluded that the PD-3 (Gramapriya female line) population has got reasonable variability in production traits. The gradual improvement in these production traits in parent line will improve the performance in terminal cross “Gramapriya” with respect to egg production and egg weight which ultimately benefits the farmers.

Keywords: Correlation; Gramapriya; Heritability; Production Traits

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Citation

Citation: Kavitha Unnikrishnan., et al. “Evaluation of Production Traits in Gramapriya Female Line Chicken Under Intensive System of Rearing". Acta Scientific Veterinary Sciences 5.6 (2023): 36-41.

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Copyright: © 2023 Kavitha Unnikrishnan., et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.