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Research Article Open access CC BY 4.0

Clinical Mastitis Caused by Methicillin-resistant Staphylococcus aureus in a Heifer

Fei Teng, Xin Wang, Ting Ting Li, Shi Yu Liu, Chun Yun Wan, Xiao Shan Li, Feng Li Yang

Asian Journal of Advances in Agricultural Research · pp. 1–5 · Published 16 Dec 2017

10.9734/AJAAR/2017/37289

Abstract

Emergence of methicillin-resistant Staphylococcus aureus among bovine mastitis is the major cause of frequent therapeutic failure and a cause of concern for veterinary practitioners. The current study describes a case of heifer mastitis caused by the isolates of the methicillin-resistant S. aureus. On the 24th day of postpartum, the right hind quarter of the heifer was shown clinical mastitis, isolate and cultivate the pathogens in milk, and confirmed the bacterial was methicillin-resistant Staphylococcus aureus by PCR the 23S rRNA and mecA gene and antimicrobial susceptibility tests. The MRSA were resistant to penicillin, ampicillin, cefazolin, gentamicin, erythromycin, and trimethoprim/sulfamethoxazole. The heifer was treated with Chinese medicine Ruyanxiao twice a day for 5 days, and the symptoms disappeared and CMT score was 0. This article is the first report of the occurrence of mastitis caused by methicillin-resistant Staphylococcus aureus in Holstein heifer.

Dairy mastitis methicillin-resistant Staphylococcus aureus heifer antimicrobial susceptibility treatment

Cited by 1

Prevalence and potential risk factors associated with methicillin resistant Staphylococcus aureus infection in Dairy farms

Mohamed El-Fateh, Adel El-Gohary, Mona Elsayed · Mansoura Veterinary Medical Journal · 2020

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