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Comparison of Three Kinds of Allergy Assessment Standard of Bovine Tuberculosis Detection
Author(s): LI Jinling, GAO Minghui, GUO Hongjun, HE Zhaoyang
Pages: 36-
37
Year: 2007
Issue:
5
Journal: CHINA DAIRY CATTLE
Keyword: 牛结核病; 变态反应; 判定标准;
Abstract: 同时应用牛型PPD和禽型PPD皮内变态反应,对300头牛进行了检测;并分别采取OIE、中国和欧共体的判定标准进行判定.结果发现:阳性数分别为48头、19头和7头;检出率分别为16%、6.3%和2.3%.从变态反应强度而言,牛结核变态反应的平均皮厚差为1.38mm,禽结核变态反应的平均皮厚差为1.46mm.可看出,由于判定标准不同,欧共体阳性检出率最小,其次是中国,而OIE最高.禽结核变态反应强度比牛结核变态反应强度略高.说明禽结核分枝杆菌对牛结核变态反应有很大的干扰.同时欧共体比较试验法能够排除禽结核分枝杆菌干扰.
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