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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
한국동물위생학회(구 한국가축위생학회) 한국가축위생학회지 한국가축위생학회지 제30권 제1호
발행연도
2007.1
수록면
145 - 154 (10page)

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In Korea, it is the one of controversial problems to distinguish heifer from cow in slaughtered Holstein cattle. This study was conducted to evaluate the several criterions which could be used to discriminate heifer from cow. Some criterions have shown significant differences between heifer and cow in ante and post-mortem inspections(p<0.01). Firstly, the numbers of milk teeth of heifer and cow were 6.12±1.92_____________________________________________________________________________________11Corresponding author Tel : +82-32-440-5415, Fax : +82-32-440-5429 E-mail: lsm2000@incheon.go.kr(Mean±Standard deviation) and 0.03±0.39 respectively. The teat diameter(D) and length(L) of cow were 26.43±4.31㎜ and 47.76±6.89㎜ respectively. However, those of heifer were significantly smaller (D: 18.04±5.04㎜, L: 28.61±8.91㎜) than those of cow. The size of udder was 203.68±16.84㎜ in Holstein cow and 112.70±20.59㎜ in heifer. Secondly, the uterus size of cow was significantly bigger than that of heifer and caruncle in mucosa of uterus could be easy to be confirmed by necropsy inspection. It was also obvious that the folding and length of uterus body were significantly remarkable in cow. Lastly, the pelvic cavity was 196.33±10.01㎜ in heifer and 220.90±11.41㎜ in cow. The ossifying maturation of heifer was 2.64±0.82 and 6.71±1.81 in cow. As the results, this study can be helpful for meat inspectors to discriminate the non-delivery heifer from delivery cow in Holstein cattle.____________________________________________________

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