Havelka B
Vet Med (Praha). 1975 Aug;20(10):477-81.
In the period from 1972 to 1974, veterinary institutes in Slovakia performed bacteriological examinations in 178,853 milk samples coming from 72,454 dairy cows. On an annual average, the number of examined samples was higher by 61% than in 1967-1971. Germs responsible for the inflammation of the mammary gland were found in the milk of 22.32% of the dairy cows. The following bacterial germs were represented: Streptococcus agalactiae - 15.77%, Staphylococcus aureus - 4.19%, other streptococci - 1.49%, E. coli - 0.18%, Klebsiella sp. - 0.23%, Corynebacterium pyogenes - 0.20%, other germs - 0.26%. The number of dairy cows having bacterial germs in their milk was found higher by 1.47% than in 1967-1971. The number of the findings of Streptococcus agalactiae was higher by 3.29% and that of Straphylococcus aureus by 1.15% than in the period from 1967 to 1971. The higher number of the findings of the bacterial causative agents responsible for mastitis was due, in particular, to the increased number of the findings of Streptococcus agalactiae in milk.
在1972年至1974年期间，斯洛伐克的兽医机构对来自72454头奶牛的178853份牛奶样本进行了细菌学检查。年均检查样本数量比1967 - 1971年高出61%。在22.32%的奶牛乳汁中发现了导致乳腺炎症的病菌。具体有以下几种细菌：无乳链球菌——15.77%，金黄色葡萄球菌——4.19%，其他链球菌——1.49%，大肠杆菌——0.18%，克雷伯氏菌属——0.23%，化脓棒状杆菌——0.20%，其他病菌——0.26%。发现乳汁中含有细菌的奶牛数量比1967 - 1971年高出1.47%。无乳链球菌的检出数量比1967年至1971年期间高出3.29%，金黄色葡萄球菌的检出数量高出1.15%。导致乳腺炎的细菌病原体检出数量增加，尤其要归因于牛奶中无乳链球菌检出数量上升。
