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KMID : 0900920010250030227
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Korean journal of Animal Reproduction
2001 Volume.25 No. 3 p.227 ~ p.230
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Effect of AI Year, Sire, Farm and Cow Parity on Sex Ratio in Hanwoo
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Lee Deok-Hee
Kim Jeong-Sang
Lim Jin-Kyu
Park Young-Seek
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Abstract
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To know and apply the factors affecting calf′s gender may increase our competitiveness of Hanwoo industry. Thus, this study was carried out to analyse the effect of expected factors on calf′s gender and to make an alternative idea for desired calf’s gender. Gender of calves born by AI was not affected by AI year and cow parity, but significantly affected by sire and farm. Therefore, to obtain calves′ gender that we want, both selecting optimum sire for AI and providing optimum feeding environment for cow should be required.
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KEYWORD
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Calf′s gender, Sire, Farm, AI year, Cow parity
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