Journal of Animal and Veterinary Advances

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Antibiotic Resistance Profiles of Bovine Mastitis-Causing Pathogens Isolated in Ba Vi, Hanoi, Vietnam

Hiroichi Kono, Satoko Kubota, Duong Van Nhiem, Vu Thi Thu Tra, Phan Thi Tam, Nguyen Khanh Ly, Au XuanKhoa, Ryo Murata, Kentaro Koide and Kohei Makita
Page: 46-49 | Received 21 Sep 2022, Published online: 21 Sep 2022

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Abstract

The emergence of antibiotic-resistant bacteria has caused significant economic losses in the dairy farm industry due to the decreased effectiveness of treatment in dairy cattle. We conducted antibiotic susceptibility testing against bovine mastitis-causing pathogens isolated from the milk of dairy cattle in the Ba Vi district of Vietnam, a farming region near Hanoi. The isolated bacterial strains examined in this study included 11 strains of Streptococcus agalactiae and 7 strains of Staphylococcus spp. The strains were tested for resistance to ampicillin, kanamycin, erythromycin, oxytetracycline and cefazolin using the disc diffusion method. All strains were found to be resistant to one or more antibiotics. Of the 18 strains examined, 13 were resistant to multiple antibiotics. In addition, mixed infections involving 2 strains with different antibiotic resistance profiles were confirmed. These results indicate that antibiotic-resistant bacteria are widespread in this region, rendering bovine mastitis more difficult to treat. To ameliorate potential economic losses, it is especially important to use antibiotics correctly.

How to cite this article:

Hiroichi Kono, Satoko Kubota, Duong Van Nhiem, Vu Thi Thu Tra, Phan Thi Tam, Nguyen Khanh Ly, Au XuanKhoa, Ryo Murata, Kentaro Koide and Kohei Makita. Antibiotic Resistance Profiles of Bovine Mastitis-Causing Pathogens Isolated in Ba Vi, Hanoi, Vietnam.
DOI: https://doi.org/10.36478/javaa.2021.46.49
URL: https://www.makhillpublications.co/view-article/1680-5593/javaa.2021.46.49