Mammary Glands
Summer mastitis
Summer mastitis is produced by Arcanobacterium pyogenes (previously Corynebacterium and Actinomyces pyogenes), which is transmitted by flies. A. pyogenes is a very frequent producer of pus, and its antibiotic treatment is difficult. In many cases the problem is not rapidly detected because the animals are in the fields and the farmer fails to notice the condition.
Prevention requires fly control and the preparation of autovaccines. When a case is detected, samples of the affected area should be sent to our laboratory.
A review of the most interesting articles on summer mastitis published in the literature can be obtained in PubMed.
- Measurement of Actinomyces pyogenes specific antibodies in bovine blood samples by an enzyme-linked immunosorbent assay.
- Summer mastitis experimentally induced by Hydrotaea irritans exposed to bacteria.
- Susceptibilities of bovine summer mastitis bacteria to antimicrobial agents.
- Penicillin G and penicillin G-tinidazole treatment of experimentally induced summer mastitis--effect on elimination rates of bacteria and outcome of the disease.
- Comparative bacteriological studies on summer mastitis in grazing cattle and pyogenes mastitis in stabled cattle in Denmark.
- Summer mastitis in heifers: studies on the seasonal occurrence of Actinomyces pyogenes, Peptostreptococcus indolicus and Bacteroidaceae in clinically healthy cattle in Denmark.
- Studies on the possible role of cattle nuisance flies, especially Hydrotaea irritans, in the transmission of summer mastitis in Denmark.
- Bacteriological investigations of clinical mastitis in heifers in Sweden.
- Summer mastitis in heifers: a bacteriological examination of secretions from clinical cases of summer mastitis in Denmark.
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