Table 8.

Distribution of antimicrobial resistance gene patterns among Streptococcus uberis (n = 228) isolates from dairy cattle with bovine mastitis in northern Thailand during 2010–2017.

Resistance gene	Number	Detection rate (%)
tetM	57	25.00
tetL	0	0.00
tetO	0	0.00
mefA	1	0.44
ermB	13	5.70
blaZ	0	0.00
tetM + ermB	105	46.05
tetM + tetL	2	0.88
tetO + ermB	3	1.32
tetM + blaZ	3	1.32
tetM + tetL + blaZ	1	0.44
tetM + tetO + ermB	6	2.63
tetM + tetL + ermB	5	2.19
tetM + mefA + ermB	6	2.63
tetM + ermB + blaZ	11	4.82
tetM + tetO + mefA + ermB	1	0.44
tetM + tetL + tetO + ermB	1	0.44
No resistance gene	13	5.70