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OJVRTM
Online Journal of Veterinary
Research©
(Including Medical and
Laboratory Research)
Established 1994
ISSN 1328-925X
Volume 29 (5): 320-328, 2025.
Susceptibility of Campylobacter
coli isolates from sows and piglets.
Sheffield CL, Hume ME, Droleskey
RE, Harvey RB, Bischoff KM.
USDA, ARS, Southern
Plains Agriculture Research Center, Food and Feed
Safety Research Unit, College Station, Texas, USA.
ABSTRACT
Sheffield
CL, Hume ME, Droleskey RE, Harvey RB, Bischoff KM.
Susceptibility
of Campylobacter coli isolates from sows and piglets.
Onl J Vet Res., 29 (5): 320-328, 2025. We report dendogram and antimicrobial susceptibility profiles of 104 Campylobacter
coli isolates from feces of 3 sows and rectal
swabs of 18 piglets housed in the same facility. C. coli isolates segregated into 20 ribogroups and exhibited 22 antibiotic susceptibility
profiles. 43% isolates were represented by 1 ribogroup,
24% by 2 and 33% by 3 or more. No link was observed between
Campylobacter ribogroups from sows or offspring. Ribogroups analyzed by unweighted
pairs arithmetic averages revealed 4 main clusters
with 76-85% similarity in 19 ribogroups. All
isolates were resistance to lincomycin and
tobramycin, but sensitive to erythromycin. We found resistance to neomycin
in 96%, ampicillin 91, tetracycline 80, gentamycin 44, amikacin 10, and
clindamycin 6% isolates whereas 91% were sensitive to ciprofloxacin, 84
amikacin, 75 tetracycline, 13 clindamycin, and 2% to ampicillin. Results
suggest a high level of both ribotypic and
antimicrobial susceptibility diversity within C. coli isolates from both
related and non-related pigs housed in a single facility.
KEY WORDS: Campylobacter, swine, ribotypes,
antimicrobial sensitivity.