Genetic Evaluation of Gir Cattle for Success Rate to Conception using GLIMMIX Model
نویسندگان
چکیده
Background: The objective of this study was to assess the genetic and phenotypic parameters associated with success rate conception using 90-days non-return (NRR90F), Rate (CR) number insemination (INS) traits in service bull. Methods: A total 2590 including 1776 first time carried out during period 2018-2020 Gir cattle distributed semi-arid region RajasthanNRR90F CR were analysed as binary variable INS multi-nominal trait. Generalized linear models used for evaluation non-genetic factors generalized mixed effects. Result: average artificial estimated 0.35 NRR90F 0.41 CR. Further, cumulative logit link function analyse successful estimates observed 0.95 two conception. Period season that influenced studied. Decreasing trend over all studied traits. Summer showed highest odd ratio 1.213 NRR90F, 1.388 1.440 reference autumn season. Heritability 0.015 0.028 0.086 INS.
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ژورنال
عنوان ژورنال: Journal of Dairying, Foods & Home Sciences
سال: 2023
ISSN: ['0971-4456', '0976-0563']
DOI: https://doi.org/10.18805/ajdfr.dr-1982