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- Alippi, A.M.; Lopez, A.C.; Reynaldi, F.J.; Grasso, D.H.; Aguilar, O.M.
- Veterinary microbiology 2007 v.125 no.3-4 pp. 290-303
- epidemiological studies; tetracycline; phenotype; antibiotic resistance; Paenibacillus larvae; minimum inhibitory concentration; geographical variation; honey bees; plasmids; American foul brood; pathogen identification; genes; molecular epidemiology; reference standards; genetic variation; oxytetracycline; virulence; bacterial infections; defense mechanisms
- ... Paenibacillus larvae is the causal agent of American Foulbrood (AFB) disease, the most virulent bacterial disease of honeybee (Apis mellifera L.) brood. Oxytetracycline is the main antibiotic used for prevention and control of AFB. Using the polymerase chain reaction, isolates were screened for the presence of the tetracycline resistance tet(K) and tet(L) determinants. Four isolates (5%), which co ...
- Thakur, S.; Tadesse, D.A.; Morrow, M.; Gebreyes, W.A.
- Veterinary microbiology 2007 v.125 no.3-4 pp. 362-367
- tetracycline; extensive farming; Salmonella Typhimurium; streptomycin; slaughter; swine diseases; multiple drug resistance; farms; risk assessment; epidemiological studies; slaughterhouses; serotypes; pathogen identification; swine; antibiotic resistance; disease prevalence; disease transmission; environmental factors; salmonellosis; intensive livestock farming; North Carolina
- ... This cross-sectional study was conducted to determine the prevalence and antimicrobial resistance of Salmonella species in swine reared in the intensive (indoor) and extensive (outdoor) ABF production systems at farm and slaughter in North Carolina, U.S.A. We sampled a total of 279 pigs at farm (extensive 107; intensive 172) and collected 274 carcass swabs (extensive 124; intensive 150) at slaught ...