Estimation of breeding value, genetic parameters and maternal effects of economic traits in rural male parent line chicken using pedigree relationships in an animal model.

摘要: Breeding value (BV), genetic parameters and additive genetic, maternal effects were evaluated on growth production traits utilizing data from eight generations employing animal model in a rural male parent line (PD-6) chicken at ICAR-Directorate of Poultry Research, Hyderabad, India. The least squares means (LSM) for body weight (BW) shank length (SL) up to 6 weeks age varied significantly (p ≤ .01) among the hatches. BW increased over decreased with Sex also had significant effect except 0 day (BW0). LSM (BW6) Shank (SL6) 598.84 ± 0.79 g 74.57 0.04 mm, respectively. Males recorded higher BWs length. All influenced by generation effect. overall sexual maturity (ASM), egg 40 (EP40) (EW40) 164.93 0.23 days, 74.66 0.40 eggs 54.79 0.08 g, Model 3 additive, permanent environmental residual was appropriate BW2, BW4, BW6, SL4 SL6, whereas 4 best BW0. heritability estimates BW6 SL6 0.22 0.02 0.18 0.02, 1 direct all traits. EP40 EW40 0.16 0.34 0.05, highly correlated .05) positive association different components. correlation coefficient component between BW40 negative, while it less magnitude BW20. weights negative ages. BV primary trait selection, across linearly an average gain 1.05 mm per generation. as response 22.34 showed increasing trend EW 0.06 g. inbreeding population 0.015. study concluded that ideal status negligible selection.