Table 4.

Farm wise antimicrobial resistance pattern.

Farms	Antimicrobials used to manage mastitis and other disease conditions	Phenotypic resistance of E. coli
		Antimicrobials	No. antimicrobial classes
A	GEN, N, PEN, STR, TE	AK, AMP, AMX, CIP, GEN, K, N, TE	4
B	AMX, CTX, GEN, N, PEN, TE	AK, AMP, AMX, CAZ, GEN, K, N, TE	4
C	CTX, GEN, PEN, STR, TE	AK, AMP, AMX, AZM, CAZ, CN, GEN, K, N, TE	5
D	CIP, GEN, N, TE	AK, AMP, AMX, AZM, GEN, K, N, TE	4

AK: Amikacin; Amp: Ampicillin, AMX: Amoxicillin; AZM: Azithromycin; CAZ: Ceftazidime; CIP: Ciprofloxacin; CN: Cephalexin; CTX: Ceftriaxone; GEN: Gentamicin; K: Kanamycin; N: Neomycin; STR: Streptomycin, TE: Tetracycline.