[Microbial etiology of the MMA syndrome (mastitis-metritis-agalactia) in swine raised commercially].

A total of 147 uterine-cervical exudates and milk samples from 165 lobes of the mammary gland of sows with clinical symptoms of mastitis-metritis-agalactia (MMA) were studied microbiologically. It was found that greatest was the share of Escherichia coli and Staphylococcus aureus organisms taking part in the microbial etiology of the syndrome. Second ranked Staphylococcus epidermidis, Streptococcus pyogenes, and Corynebacterium pyogenes along with some aerobic sporulating bacilli.