Published in Scientific Works. Series C. Veterinary Medicine, Vol. LXVIII, Issue 1
Written by Aurel VASIU, Orsolya BARTIS, Carmen Dana ȘANDRU, Marina SPÎNU, Sergiu ZĂBLĂU, Gheorghiță DUCA, Emöke PÁLL
Mastitis remains a major challenge for the global dairy industry, despite the widespread implementation of control strategies. Escherichia coli and Streptococcus uberis are the most common agents of mastitis in cattle and a significant problem for the dairy industry. The aim of this study was to establish the prevalence of bacteria involved in mastitis of dairy cows and to establish the antibiotic resistance profile, which frequently complicates the therapy. In order to achieve these objectives, samples (n=25) were collected from cattle diagnosed with clinical mastitis and subclinical mastitis detected by biochemical assays. The samples were processed by standard microbiological methods and the results indicated an increased prevalence of Staphylococcus spp. and of microorganisms of the Enterobacteriaceae family. Isolated bacterial strains have shown significant resistance to antibiotics, especially to amoxicillin, while ciprofloxacin has proven the most effective. Thus, the early detection and correct treatment of clinical and subclinical mastitis is an important challenge for the economy and for the public health.
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