Molecular Detection and Antimicrobial Resistance Pattern of Staphylococci Isolated from Clinical and Subclinical Bovine Mastitis

Javia, B. B.; Purohit, J. H.; Mathapati, Basavaraj; Barad, D.B.; Savsani, H. H.; Ghodasara, S. N.; Kalariya, V A; Patel, Urvesh D.; Nimavat, V.R.

doi:10.21887/ijvsbt.v14i1.12990

Cited by 2 publications

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“…Thus, the prevalence of MRCoNS was 13.51%. In contrast to this, higher prevalence of MRCoNS isolates from bovine mastitis was observed (23.08%, Javia et al 2018;35.71%, Santos et al 2013;70.60%, Sukur and Esendal 2020). Higher incidence of MR-CoNS might be attributed to indiscriminate use of antibiotics and intramammary preparations used by the owners/laymen without the prescription of the veterinarians, which is also one of the major reasons for increasing incidence of resistant strains.…”

Section: Resultsmentioning

confidence: 79%

Detection of mecA gene-associated methicillin-resistance coagulase-negative staphylococci (MRCoNS) from bovine mastitis in Gujarat

Prajapati

SOLANKI

Singh

et al. 2022

Indian J of Anim Sci

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Exploration of pathogenic potential of Coagulase-Negative Staphylococci (CoNS), in human as well as animals,gained the importance during the past two decades. Emergence of Methicillin-Resistant Coagulase-NegativeStaphylococci (MRCoNS) in bovine milk poses to be a major public health concern. Presence of the mecA gene isone of the most common reasons reported for the methicillin resistant bacteria. Since the scientific data concerningthe presence of mecA gene and MRCoNS in bovine milk is very limited in India, particularly from Gujarat state,the present study was planned to detect mecA gene in 25 MRCoNS and study the antibiogram of 33 CoNS isolatedfrom 185 bovine mastitis cases between January 2018 to December 2019. Staphylococci were isolated from themilk samples of bovine mastitis with a prevalence of 38.9% (72/185), out of which 39 (54.16%) and 33 (45.83%)isolates were identified as coagulase-positive Staphylococci (CoPS) and coagulase-negative Staphylococci (CoNS),respectively. Among the CoNS, S. xylosus was the most predominantly isolated species (9/33, 27.27%), followedby S. epidermis (6/33, 18.18%) and S. haemolyticus (4/33, 12.12%). Out of these 33 isolated CoNS, 21 (63.63%)and 25 (75.75%) were identified as MRCoNS by disc diffusion method and CHROM agar, respectively. Contraryto the likelihood, only 3 MRCoNS showed the presence of mecA gene using PCR method. Antibiogram revealedthat most of the CoNS isolates (84.85%) were multi-drug resistant emphasizing the urgent need of restricting theindiscriminate use of antimicrobial drugs in the area of study.

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Section: Resultsmentioning

confidence: 79%