Genetics and non-genetics parameters of body weight for post-weaning traits in Raini Cashmere goats

Abstract

Genetic parameters were estimated for 6-month weight (W6), 9-month weight (W9), 12-month weight (W12), average daily gain from birth to 6 months old (ADG6), and Kleiber ratio at 6 months (KL6) traits using 6,442 records obtained from a Raini Cashmere goat flock. The parameters were estimated using the restricted maximum likelihood procedure and applying four animal models excluding or including maternal additive genetic and permanent environmental effects. Heritability estimates for W6, W9, W12, ADG6, and KL6, under the most appropriate model were 0.028, 0.26, 0.29, 0.02, and 0.25, respectively. The estimates of genetic and phenotypic correlations among W6, W9, W12, and ADG6 were high and ranged from 0.73 to 0.99. The estimates of genetic and phenotypic correlations among KL6 and others traits were negative and low. Thus, these estimates of genetic parameters may provide a basis for deriving selection indices for postweaning growth traits also low genetic correlation between growth traits with KL6, it is possible to increase efficiency in Raini kids by multitrait selection.

Influence of maternal and additive genetic effects on offspring growth traits in Beetal goat

“…Higher estimates for genetic correlation for BWT with other traits than current study were reported by Gowane et al (2011) in Sirohi goat (0.20-0.47), Baneh et al (2012) in Naeini (0.49-0.61) and Barazandeh et al (2012) in Raini Cashmere goat (0.53-0.55). Genetic correlation estimates for WT3 and WT6 with other traits were in accordance with the findings of Gowane et al (2011) in Sirohi, Moghbeli et al (2013) in Raini Cashmere and Tesema et al (2020) in Boer x Central Highland goat.…”

Genomic analysis of indigenous goats in Southwest Asia reveals evidence of ancient adaptive introgression related to desert climate

“…After domestication of their wild ancestors (bezoars), goats followed the spread of agriculture, reaching the Mediterranean 8 000 BP and north Africa 7 000 BP ( Daly et al, 2018 ; Zeder & Hesse, 2000 ). Currently, the global goat population has grown to more than one billion, and goat farming is a common animal production sector in many countries, especially in the Middle East and Mediterranean ( Gooki et al, 2018 , 2019 ; Moghbeli et al, 2013 ).…”

Review on current status of Bonga, Afar, Menz, and Horro sheep breeds genetic improvement: Breeding program and progress

“…Genetic diversity is an essential element for genetic improvement, preserving populations, evaluation and adapting to variable environmental situations [ 15 , 16 ]. On other hands, determination of gene polymorphism is important in farm animal breeding [ 1 , 17 ] in order to define genotypes of animal and their associations with productive, reproductive and economic traits [ 18 , 19 , 20 ].…”