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Tuyển tập các báo cáo nghiên cứu về bệnh thú y được đăng trên tạp chí y học General Psychiatry cung cấp cho các bạn kiến thức về ngành thú y đề tài: Efficacy of Targeted 5-day Combined Parenteral and Intramammary Treatment of Clinical Mastitis Caused by Penicillin-Susceptible or PenicillinResistant Staphylococcus aureus. | Acta vet. scand. 2003 44 53-62. Efficacy of Targeted 5-day Combined Parenteral and Intramammary Treatment of Clinical Mastitis Caused by Penicillin-Susceptible or Penicillin-Resistant Staphylococcus aureus By 5. Taponen1 A. Jantunen1 E. Pyorala1 and 5. Pyorala1 Faculty of Veterinary Medicine Department of Clinical Veterinary Sciences University of Helsinki Saari Unit Saarentaus Finland. Taponen S Jantunen A Pyôrălă E Pyôrălă S Efficacy of targeted 5-day combined parenteral and intramammary treatment of clinical mastitis caused by penicillin-susceptible or penicillin-resistant Staphylococcus aureus. Acta vet. scand. 2003 44 53-62. - Combined parenteral and intramammary treatment of mastitis caused by Staphylococcus aureus was compared to parenteral treatment only. Cows with clinical mastitis 166 mastitic quarters caused by S. aureus treated by veterinarians of the Ambulatory Clinic of the Faculty of Veterinary Medicine during routine farm calls were included. Treatment was based on in vitro susceptibility testing of the bacterial isolate. Procaine penicillin G 86 cases due to -lactamase negative strains or amoxycillin-clavulanic acid 24 cases due to -lactamase positive strains was administered parenterally and intramammarily for 5 days. Efficacy of treatments was assessed 2 and 4 weeks later by physical examination bacteriological culture determination of CMT somatic cell count and NAGase activity in milk. Quarters with growth of S. aureus in at least one post-treatment sample were classified as non-cured. As controls we used 41 clinical mastitis cases caused by penicillin-susceptible S. aureus isolates treated with procaine penicillin G parenterally for 5 days and 15 cases due to penicillin-resistant isolates treated with spiramycin parenterally for 5 days from the same practice area. Bacteriological cure rate after the combination treatment was 75.6 for quarters infected with penicillin-susceptible S. aureus isolates and 29.2 for quarters infected with .
