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KMID : 1025520070490020171
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Journal of Animal Science and Technology
2007 Volume.49 No. 2 p.171 ~ p.176
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Estimation of Genetic Parameters on Pre-weaning Growth Traits in Hanwoo
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Hwang Jeong-Mi
Choi J. G.
Kim Hyeong-Cheol
Choi Yeon-Ho
Lee Chae-Young
Yang Boo-Keun
Shin Jong-Suh
Kim Jong-Bok
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Abstract
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To improve pre-weaning productivity of cattle, cow-calf producers have been trying to increase weaning weight of their calves through manage- ment and genetics(Fiss and Wilton, 1993). Pre- weaning ability of an animal is determined by inherent genes from its parents and milking production and mothering ability of its dam called maternal effect. Most of the literature reported that the maternal ability of beef cows had been shown to be a critical component for pre-weaning growth of their calves(Freking and Marshall, 1992; Fiss and Wilton, 1993; Mallin- ckrodt et al., 1993; Brown and Brown, Jr. 2002).
The objective of this study was to estimate genetic relationships between pre-weaning growth traits in Hanwoo.
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KEYWORD
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Birth weight, Weaning weight, ADG, Heritability, Genetic correlation
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