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<p>Recent studies revealed increasing incidence of udder infections caused by Coagulase Negative Staphylococci (CNS) in dairy cattle, though studies in dromedary camel are meagre. The present report describes sub-clinical mastitis in two dromedary camels caused by <i>Staphylococcus borealis</i>, a recently recognized udder pathogen in cattle. The bacterium was identified on the basis of morphological and biochemical characteristics, MALDI-TOF MS analysis, 16s rRNA sequencing and BLAST. Phylogenetic analysis was also performed. The isolate was submitted to National Centre for Veterinary Type Cultures, Hisar, India. The bacterium showed varying biochemical reactions as compared to bovine and human isolates. The bacterium has high antibiotic sensitivity perhaps due to less use of antibiotics in treatment of different diseases in camel. To our knowledge, this is the first report indicating <i>Staphylococcus borealis</i> as a cause of subclinical mastitis in dromedary camel.</p>

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Staphylococcus borealis causing subclinical mastitis in dromedary camels

  • 期刊论文

  • 发表日期：

    2025年3月14日

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  • Rakesh Ranjan,
  • Aruna Kuniyal,
  • Amita Ranjan,
  • Meetpal Singh,
  • Basanti Jyotsana,
  • RK Sawal,
  • Khulape Sagar Ashok

摘要

Recent studies revealed increasing incidence of udder infections caused by Coagulase Negative Staphylococci (CNS) in dairy cattle, though studies in dromedary camel are meagre. The present report describes sub-clinical mastitis in two dromedary camels caused by Staphylococcus borealis, a recently recognized udder pathogen in cattle. The bacterium was identified on the basis of morphological and biochemical characteristics, MALDI-TOF MS analysis, 16s rRNA sequencing and BLAST. Phylogenetic analysis was also performed. The isolate was submitted to National Centre for Veterinary Type Cultures, Hisar, India. The bacterium showed varying biochemical reactions as compared to bovine and human isolates. The bacterium has high antibiotic sensitivity perhaps due to less use of antibiotics in treatment of different diseases in camel. To our knowledge, this is the first report indicating Staphylococcus borealis as a cause of subclinical mastitis in dromedary camel.