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KMID : 0900920010250030231
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Korean journal of Animal Reproduction
2001 Volume.25 No. 3 p.231 ~ p.235
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Effect of Farm, Cow Parity, AI Year and Sire on Gestation Duration 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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Gestation duration of cow is an important economical trait. Shortening the gestation duration decreases the production cost and increases the competitiveness of Hanwoo industry. Thus, this study was carried out to analyse the effect of expected factors on gestation duration and make an alternative idea for reduced gestation duration. Gestation duration was not affected by cow-parity, but significantly affected by farm, Al year and sire. Therefore, reducing the gestation duration of Hanwoo may require both providing optimum feeding environment and nutrition management for cow and selecting optimum sire for AI.
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KEYWORD
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Gestation duration, Farm, AI year, Sire, Cow parity
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