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도축장의 생,해체검사를 통한 경산우 및 미경산우 감별법(1)
최임용 ( Im Yong Choi ),최태석 ( Tae Suk Choi ),이달주 ( Dal Ju Lee ),이해영 ( Chang Sik Rho ),노창식 ( Kyu Hiun Kim ),김규현 ( Eun Kim ),김은 ( Taek Boo Kweon ),권택부 ( Jung Hark Lee ),이정학 한국동물위생학회 2007 한국동물위생학회지 (KOJVS) Vol.30 No.3
This study was performed to make helpful standard for discrimination of cows from heifers by uterine and ovarian section inspection. A total of 3,736 heifers and 249 cows were inspected from January to November 2006 in Karak Market Slaughter house. Firstly, it was obvious that non-corpus albicans were observed in almost heifers(3,597/3,736, 96.3%), but there were distinctive corpus albicans in all cows(249/249 100%). Secondly, another evident was that the length and diameter of the horn in uterus was below 30㎜ in 94.5%(3,267/3,736) heifers, but above 30㎜ in 90.4%(225/245) cows, and it was easy to distinguish between right and left horn by difference of size in 87.6%(218/249) cows. Thirdly the diameters of pelvic cavity was below 220㎜ in 96.8%(3,615/3,736) heifers, but was over 200㎜ in 85.1%(212/249) cows. Fourthly another difference was found in second sacrum union condition and 13th thoracic vertebral process`s states. In case of heifers, it was distinctive five lines in each second sacrum, but it was non-distinctive or united in the same each lines of the sacrum in cows. Fifthly in the results of 13th thoracic vertebral colors, the ratio between red color and white color was 7:3 in heifers(3,385/3,736, 90.6%), but that was 2:8 in cows(199/249, 79.9%). Consequently, it was possible to use the method which discriminated cows from heifers by uterine and ovarian section inspection in large scaled field slaughter house.
도축장의 생,해체검사를 통한 경산우 및 미경산우 감별법(2)
최임용 ( Im Yong Choi ),최태석 ( Tae Suk Choi ),이달주 ( Dal Ju Lee ),이해영 ( Hae Yeong Lee ),김연하 ( Yeon Ha Kim ),이경혜 ( Kyung Hye Lee ),노창식 ( Chang Sik Rho ),김규현 ( Kyu Hiun Kim ),김은 ( Eun Kim ),신방우 ( Bang Woo Si 한국동물위생학회 2008 한국동물위생학회지 (KOJVS) Vol.31 No.3
This study was performed to establish the discrimination of the corpus albicans that were formed after normal parturition and abortion in Holstein, The corpus albicans were obtained from 504 cows and 506 heifers slaughtered in the Agricultural Cooperative`s Livestock Products Joint Market of Seoul City from March 2007 to October 2007. The difference in a gross examination (morphology, fibrogenesis, deposit state, color, and size) among the fixtures that exist in their ovaries was investigated. All of the cows had corpus albicans in their ovaries: 423 cows (83.9%) had less than three corpus albicans, 81 (16.1%) had more than four. In the heifers, however, 463 (91.05%) had no corpus albicans, 39 (7.7%) had one, and four (0.8%) had more than two. In the types of corpus albicans 73.2% of the cows had oval-type, 14.4% had circular-shaped, 12.4% had irregular-type. In the aborted heifers, however, oval-type appeared in 88.6% and circular-shaped appeared in 11.4%, and no irregular-type was found. There was no significant difference in the fibrogenesis and size of corpus albicans between cows and aborted heifers. However, slight difference in the color of the corpus albicans was observed between two types. In conclusion, it is not easy to discriminate by gross examination of ovary between cows and aborted heifers in the slaughter house.