Antibiotic resistance of Salmonella sp, Escherichia coli isolated from alpacas (Vicugna pacus) with and without diarrhea

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Víctor Carhuapoma De la Cruz
Nicasio Valencia Mamani
Teresa Huaman Gonzales
Rufino Paucar Chanca
Epifanio Hilario Lizana
Jorge L. Huere Peña


Alpaca, Salmonella spp., Escherichia coli, antibiotic resistance


The problem of antibiotic resistance, worldwide is considered a high health priority, for that reason it was evaluated the antibiotic resistance of Salmonella ssp, Escherichia Coli isolated from baby alpacas with and without diarrheal enteropathies. The investigation it was of type, multiple transversal descriptive. 300 samples of rectal swabs were collected of baby alpacas from 10 to 60 days of age born with and without diarrheal pictures of the Peasant Communities of Huancavelica-Peru. The presence of Escherichia coli and Salmonella spp was determined by conventional biochemical test, the antibacterial susceptibility by the Kirby Bauer method and 8 usual antibiotics from the veterinary market were evaluated. Baby alpacas with diarrhea were 100% positive to Escherichia coli, 40,0 % Salmonella spp ,40% E. coli -Salmonella sp and without positive diarrhea 48,3% Escherichia Coli, 14,0% Salmonella spp, 9,3% E. Coli-Salmonella spp. The CMI in strains Escherichia coli and Salmonella spp were resistant to Ampicillin (10,4± 0.3), (9,3± 0.2); Novomycin (11,1± 0. 2), (11,2± 0. 1); Tetracycline (8,2± 0.1), (9,2± 0.3); Penicillin (9,1± 0. 4), (11,1± 0. 3); Gentamicin (10,1± 0. 4), (10,2± 0. 3) isolated from baby alpaca with diarrhea and without diarrhea the CMI they were resistant to Gentamicin (10,3± 0.1), (8,2± 0.1); Tetracycline (9,2± 0.4), (8,2± 0.4); Ampicillin (11,2± 0.1), (9,3± 0.2); Penicillin (10,2± 0. 4), (10,1± 0. 3). The strains of Salmonella spp, Escherichia coli isolated from baby alpaca with and without diarrhea evidence high resistance to multiple veterinary antibiotics.
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