| Some Observations on the Comparison of the Modified Whiteside Test and the California Mastitis Test for the Detection of Bovine Mastitis |
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Doo Yeoun Cho, Chang Kook Cheong |
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College of Agriculture, Seoul National University |
| 젖소의 유방염(乳房炎) 검진(檢診)을 위한 Modified Whiteside Test법(法)과 California Mastitis Test법(法)의 비교시험(比較試驗)에 관(關)하여 |
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조두연, 정창국 |
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서울대학교 농과대학 |
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| Abstract |
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The diagnostic effects of the Modified Whiteside Test(M.W.T.) and the California Mastitis Test(C.M.T.) for detection of bovine mastitis were studied using 372 quarter milk samples collected from six dairy herds in suburbs of Suwon city in order to compare the effectiveness of the two methods. The leucocyte count and bacteriological observation were also performed to support analysing the results. The results obtained were as follows; 1. The CMT showed more specificity than MWT for leucocytes in the abnormal milk. 2. When comparison was based on Identical ratings, agreement was obtained in 56.4% of the samples. The stronger reaction had the higher agreement and the CMT was found to be more specific than MWT in detection of the sub-clinical mastitis. 3. The CMT reaction was instantaneous and sufficiently clear-cut. 4. The results of the CMT leucocyte count and bacteriological observation were completely agreed in 69.9% of the samples. When degrees of reaction and the leucocyte count were considered, the CMT showed agreement in 93.5% of the samples. |
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