乳牛의 乳房炎에 관한 疫學的 硏究 -전남지역을 중심으로-

• 영문명: Epidemiological Study on the Bovine Mastitis in Chonnam Area
• 발행기관: 한국환경보건학회
• 저자명: 鄭熺坤(Hee Kon Jung)
• 간행물 정보: 『1. 한국환경보건학회지』제13권 제2호, 75~81쪽, 전체 7쪽
• 주제분류: 공학 > 환경공학
• 파일형태: PDF
• 발행일자: 1987.11.30

영문 초록

Epidemiological study on the bovine mastitis was carried out on 1,493 raw milk samples from 7,406 dairy cows of dairyfarms in Chonnam province. And, it were classified by R. B. V. test during the period from July, 1984 to June, 1986. Of these positive samples, the mastitis causative agents were isolated, and examined for susceptibility to 14 antibiotics by disc method. The results are summarized as follows ; 1. Incidence rate of bovine mastitis from raw milk examined was observed in 1,393 dairy cows (18.8%) among 7,406 dairy cows of dairy farms. These outbreaks according to years were increased to 17.1% in 1984, 19.7% in 1985, and 20.5% in 1986. And, outbreaks of bovine mastitis according to seasons were high observed during the period from August to October. 2. Isolated rate of mastitis causative agents from raw milk was observed in the order of Staphylococcus sp. (50.2-51.7%), Streptococcus sp. (35.6-48.3%), Bacillus sp. (2.2-6.7%), Pseudomonas sp. (0.3-5.7%), and others (0.6%). 3. Generally, antibiotics susceptibility of isolated mastitis agents from raw milk was observed high susceptible in CP, CL, NB, PC, SM, NM, EM, GM etc.

목차

Ⅰ. 緒論

Ⅱ. 材料 및 方法

Ⅲ. 成績 및 考察

Ⅳ. 結論