Table 2.

Percentage of farms reporting the use of different antimicrobial active ingredients by production type (in 33 backyard farms and 60 commercial farms).

Antimicrobial class	Antimicrobial active ingredient	Backyard farms n (%)	Commercial farms n (%)
Aminoglycosides	Apramycin	1 (3%)	0 (0%)
	Gentamicin	2 (6%)	5 (8%)
	Neomycin	0 (0%)	1 (2%)
	Streptomycin	2 (6%)	2 (3%)
Cephalosporins	Ceftiofur	0 (0%)	2 (3%)
	Cephalexin	0 (0%)	1 (2%)
Fluoroquinolones	Ciprofloxacin	0 (0%)	1 (2%)
	Danofloxacin	0 (0%)	1 (2%)
	Enrofloxacin	8 (24%)	24 (40%)
	Levofloxacin	0 (0%)	1 (2%)
	Norfloxacin	0 (0%)	13 (22%)*
Lincosamides and aminocyclitols	Lincomycin	0 (0%)	3 (5%)
	Lincomycin-spectinomycin	0 (0%)	1 (2%)
Macrolides	Erythromycin	0 (0%)	3 (5%)
	Kitasamycin	0 (0%)	1 (2%)
	Tilmicosin	1 (3%)	5 (8%)
	Tulathromycin	0 (0%)	1 (2%)
	Tylosin	6 (18%)	10 (17%)
Penicillins	Amoxicillin	1 (3%)	18 (30%)*
	Penicillin	1 (3%)	1 (2%)
Phenicols	Florfenicol	1 (3%)	8 (13%)
	Thiamphenicol	0 (0%)	1 (2%)
Phosphonic acid derivatives	Fosfomycin	0 (0%)	4 (7%)
Pleuromutilins	Tiamulin	2 (6%)	10 (17%)
Polypeptides	Colistin	1 (3%)	10 (17%)*
Tetracyclines	Chlortetracycline	1 (3%)	1 (2%)
	Doxycycline	5 (15%)	12 (20%)
	Oxytetracycline	13 (39%)	7 (12%)*
Trimethoprim and sulfonamides	Trimetoprim-sulfadiazine	3 (9%)	4 (7%)
	Trimetoprim-sulfamethoxazole	0 (0%)	2 (3%)

^*Significant differences between backyard and commercial farms (P ≤ 0.05), Fisher exact test (represented in bold fonts).