Antibiotic Treatment vs. Non-Antibiotic Treatment in Bovine Clinical Mastitis During Lactation with Mild and Moderate Severity

Background/Objectives: This review aimed to compare the efficacy of antibiotic treatment vs. non-antibiotic treatment in mild and moderate clinical mastitis in lactating dairy cows, categorized by the causative pathogen. Methods: The initial systematic review plan, which resulted in only four releva...

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Main Authors: Franziska Nankemann, Stefanie Leimbach, Julia Nitz, Anne Tellen, Nicole Wente, Yanchao Zhang, Doris Klocke, Isabel Krebs, Stephanie Müller, Sabrina Teich, Jensine Wilm, Pauline Katthöfer, Jan Kortstegge, Volker Krömker
Format: Article
Language:English
Published: MDPI AG 2025-07-01
Series:Antibiotics
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Online Access:https://www.mdpi.com/2079-6382/14/7/702
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Summary:Background/Objectives: This review aimed to compare the efficacy of antibiotic treatment vs. non-antibiotic treatment in mild and moderate clinical mastitis in lactating dairy cows, categorized by the causative pathogen. Methods: The initial systematic review plan, which resulted in only four relevant articles, was altered due to limited available studies and significant heterogeneity among them. Consequently, five additional articles, closely meeting our criteria with minor differences, were included to ensure comprehensive analysis, resulting in nine included articles. Due to these pragmatic constraints, this review represents a hybrid between a systematic and a narrative review. The outcome of interest was the bacteriological cure (BC). Results: The findings revealed that antibiotic treatment resulted in improved BC rates for cases caused by Streptococci. For cases caused by <i>Escherichia (E.) coli</i>, antibiotic therapy showed no significant improvement in BC rates compared to non-antibiotic treatment, suggesting that antibiotics may be often unnecessary for these cases due to self-limiting tendencies. However, severe <i>E. coli</i> mastitis warrants systemic antibiotic treatment due to potentially life-threatening complications. <i>Klebsiella</i> spp. mastitis showed better cure rates with antibiotic therapy. Conclusions: This study underscores the importance of regular pathogen diagnostics to guide appropriate treatment, advocating for the use of on-farm rapid tests to reduce unnecessary antibiotic use while ensuring effective treatment outcomes.
ISSN:2079-6382