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KMID : 0359319820220020273
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Korean Journal of Veterinary Research
1982 Volume.22 No. 2 p.273 ~ p.278
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Effieacy of the AHI Mastitis Detector for the Diagnosis of Bovine Mastitis
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김동성/Kim, Dong Sung
박용호/안수환/김금화/Park, Yong Ho/An, Soo Hwan/Kim, Keum Hwa
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Abstract
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A total of 136 dairy cows were subjected to test for bovine mastitis by AHI mastitis detector, microbiological test (MT) and California mastitis test (CMT). The results obtained were summarlized as follows:
MT indicated that the most important causative microorganisms isolated from mastitic milk were Staphylococcus aureus (59.3%), Staphylococcus epidermidis (16.4%), Streptococcus agalactiae (12.4%) and Streoticoccus uberis (4.4%).
In Holstein breed, the critical threshold of electrical conductivity values of normal and mastitic milk were found to be less than 6,900 ㎲ and above, 7,700 ㎲, respectively.
Although there was goad agreement (92.0%) between AHI mastitis detector test and CMT for the diagnosis of bovine mastitis, the diagnostic efficiency of AHI mastitis detector (80.0%) was higher than that of CMT (74.0%) when compared with microbiological findings. In addition, handiness and objectivity of AHI mastitis detector for the detection of mastitic milk suggested that this could effectively be used for the diagnosis of both clinical, and subclinical bovine mastitis in field.
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