Salmonella prevalence in slaughtered buffaloes and pigs and antimicrobial susceptibility of isolates in Vientiane, Lao People's Democratic Republic.
This is the first report regarding isolation of Salmonella from cecum samples of buffaloes and pigs and characterization of the isolates in Laos. The organisms were isolated from 8% (4/50) of buffaloes and 76% (37/49) of pigs. In buffaloes, 3 animals harbored serotype 9,12: -:1,5, and 1 animal harbored both S. Derby and S. Javiana. In pigs, the most predominant serotypes were S. Derby (51%) followed by S. Anatum (45%), S. Weltevreden (15%) and S. Stanley (5%). The buffalo isolates were susceptible to the antimicrobials tested, whereas the pig isolates showed 10 resistance patterns to 1-5 antibiotics. Of the 59 pig isolates, the resistance rates to tetracycline, streptomycin, ampicillin, sulfamethoxazole-trimethoprim, chloramphenicol, amoxicillin-clavulanic acid and nalidixic acid were 24%, 22%, 14%, 5%, 2%, 2% and 2%, respectively. The results suggest that pigs and buffaloes harbor Salmonella, with a higher prevalence especially in pigs, and all the isolates showed sensitivity to cefotaxime, norfloxacin and ciprofloxacin.
Boonmar
Sumalee
S
Faculty of Veterinary Medicine, Kasetsart University, Bangkok 10900.
Markvichitr
Khanchana
K
Chaunchom
Sujate
S
Chanda
Chantha
C
Bangtrakulnonth
Aroon
A
Pornrunangwong
Srirat
S
Yamamoto
Shigeki
S
Suzuki
Daisuke
D
Kozawa
Kunihisa
K
Kimura
Hirokazu
H
Morita
Yukio
Y
D000003:Abattoirs; D000818:Animals; D000900:Anti-Bacterial Agents / Q000494:pharmacology*; D002020:Buffaloes / Q000382:microbiology*; D024881:Drug Resistance, Bacterial; D007812:Laos; D015995:Prevalence; D012475:Salmonella / Q000187:drug effects*; D012481:Salmonella Infections, Animal / Q000453:epidemiology*; D013552:Swine / Q000382:microbiology*
D000900:Anti-Bacterial Agents