Table 3. Phenotypic and genotypic resistance and virulence genes of A. hydrophila (n = 15) isolated from hybrid red tilapia carcass rinses and cultivation water.

Variable	Resistance (%)
	Carcass rinse (n = 10)	Cultivation water (n = 5)	Grand total (n = 15)
Antimicrobials
Ampicillin	10 (100.0)	5 (100.0)	15 (100.0)
Cefotaxime	0 (0)	0 (0)	0 (0)
Cefpodoxime	0 (0)	0 (0)	0 (0)
Ceftazidime	0 (0)	0 (0)	0 (0)
Chloramphenicol	0 (0)	0 (0)	0 (0)
Ciprofloxacin	0 (0)	0 (0)	0 (0)
Enrofloxacin	0 (0)	0 (0)	0 (0)
Florfenicol	0 (0)	0 (0)	0 (0)
Gentamicin	0 (0)	0 (0)	0 (0)
Oxolinic acid	3 (30.0)	0 (0)	3 (20.0)
Oxytetracycline	3 (30.0)	1 (20.0)	4 (26.7)
Streptomycin	0 (0)	0 (0)	0 (0)
Sulfamethoxazole	0 (0)	0 (0)	0 (0)
Tetracycline	3 (30.0)	1 (20.0)	4 (26.7)
Trimethoprim	3 (30.0)	1 (20.0)	4 (26.7)
MDR	3 (30.0)	1 (20.0)	4 (26.7)
AMR genes
floR	2 (20.0)	0 (0)	2 (13.3)
qnrS	2 (20.0)	0 (0)	2 (13.3)
sul1	2 (20.0)	0 (0)	2 (13.3)
sul2	2 (20.0)	0 (0)	2 (13.3)
dfrA1	2 (20.0)	0 (0)	2 (13.3)
mcr-3	3 (30.0)	0 (0)	3 (20.0)
Integrons
int1	1 (10.0)	0 (0)	1 (6.7)
Virulence genes
aero	10 (100.0)	5 (100.0)	15 (100.0)
hly	10 (100.0)	5 (100.0)	15 (100.0)

Notes.

The table presented for positive isolates, which were only detected in carcass rinses and cultivation water. Non-detected genes in A. hydrophila were: bla_TEM, bla_SHV, bla_CTX−M, bla_NDM, bla_PSE, bla_OXA, sul3, qnrA, qnrB, ermB, dfrA12, catA, catB, cmlA, strA, strB, tetA, tetB, tetD, addA1, addA2, aac(3)IV, aac(6′)-Ib, qepA, mcr-1, mcr-2, mcr-4, mcr-5, int2, int3, and int_SXT.