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한우의 체중과 주요체형측정치에 대한 모우의 산차 및 세대효과
이문연,오봉국,송찬원,이기복 ( M . Y . Lee,B . K . Ohh,C . W . Song,K . B . Lee ) 한국축산학회 1985 한국축산학회지 Vol.27 No.11
This study was carried out to investigate the effects of the parity of dam and generation on body weights and body measurements such as chest girth, rump width, rump height, thuds width, withers height and body length of Korean Native Beef Cattle(HANWOO) at birth, 3, 6, 12, 18, 24 and 32 months of age. The data used for this study consisted of 2145 heads of registered female HANWOO which were collected in the 8 provinces from 1979 through 1985 by KAIA and NLCF. In general, the parity effects of dam were the important for the sire evaluation on the body weight; and body measurements. These effects were high at the 3-6th parity and were decreased after the 6th parity. However, the parity effects of dam on body weight in 32 months slightly increased by increasing of parity. This was considered due to some selection effects. The effects of the generation including the environmental and genetic factors were slightly high in generations advanced. This was considered as the important indicators of the improvement in feeding management and the changes of the genetic specification in the population evaluated compared with the base population.
여정수(J . S . Yeo),정일정(I . C . Cheong),정경진(K . J . Chung),정선부(S . B . Chung),정연후(Y . H . Jung),이기복(K . B . Lee),설동섭(D . S . Sul),오봉국(B . K . Ohh) 한국축산학회 1990 한국축산학회지 Vol.32 No.9
Through chromosomal analysis of 109 heads of the Korean Native Cattles, this research was observed results as follows; 1. Six heads(5.5%) were cosisted of two kinds of mosaic chromosomal spreads( I : monosomy, normal and trisomy II: monosony and normal) and these mosaicsms were variated at #29 chromosome. 2. One head was showed supernumery chromosome suggested B-chromosome. 3. 1/29 Robertsonian translocation was not found in the Korean Native Cattles.