Estimated genetic parameters for number born alive between nucleus and commercial herds in swine C. Supakorn1, J. D. Stock1, K. A. Gray2, Y. Huang2 & K. J. Stalder1 1 Department of Animal Science, Iowa State University, Ames, IA, USA firstname.lastname@example.org (Corresponding Author) 2 Smithfield Premium Genetics, Rose Hill, NC, 28458, USA Genetic evaluation for number born alive (NBA) between nucleus and commercial herds were estimated by ASREML using a sire model. Data for 8,191 nucleus herd litters and 21,538 commercial herd litters were obtained. Fixed effect testing of both herds showed significant difference for contemporary group, farm and parity. Additive genetic relationship among animals by sire were included. Heritability estimates for NBA were 0.12±0.01 for nucleus herd and 0.23±0.01 for commercial herd. Genetic and phenotypic correlations for NBA between both herds were 0.64±0.03 and 0.37±0.03, respectively. Keywords: Genetic parameters, Number born alive, swine
Proceedings of the World Congress on Genetics Applied to Livestock Production, Volume Electronic Poster Session - Biology - Reproduction 2, , 706, 2018
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