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Full-Text Articles in Medicine and Health Sciences

Plasmid Profiles Of Multidrug-Resistant Escherichia Coli From Clinically Healthy Swine, Khin Khin Lay, Nisit Chansong, Rungtip Chuanchuen Jul 2012

Plasmid Profiles Of Multidrug-Resistant Escherichia Coli From Clinically Healthy Swine, Khin Khin Lay, Nisit Chansong, Rungtip Chuanchuen

The Thai Journal of Veterinary Medicine

A total of 145 Escherichia coli isolates originated from clinically-healthy pigs were analyzed for plasmidprofiles. All but one isolate (n=144) carried one to nine plasmids with size ranging from 0.7-16.2 Mda. Fifty-sixplasmid profiles were defined based on sizes and numbers of plasmids in each strain, of which the most commonpatterns were 15.8, 4, 3.3, 1.7, 1.3 Mda and 16.2, 15.8, 4, 3.3, 2.3, 1.7, 1.3, 1, 0.7 Mda. The results indicate widedistribution of plasmids among the commensal E. coli isolates originated from clinically-healthy pigs.


Serotype, Antimicrobial Susceptibility, And Genotype Of Salmonella Isolates From Swine And Pork In Sa Kaew Province, Thailand, Chaiwat Pulsrikarn, Phattharaphron Chaichana, Srirat Pornruangwong, Yukio Morita, Shigeki Yamamoto, Sumalee Boonmar Mar 2012

Serotype, Antimicrobial Susceptibility, And Genotype Of Salmonella Isolates From Swine And Pork In Sa Kaew Province, Thailand, Chaiwat Pulsrikarn, Phattharaphron Chaichana, Srirat Pornruangwong, Yukio Morita, Shigeki Yamamoto, Sumalee Boonmar

The Thai Journal of Veterinary Medicine

In January 2010, we examined the prevalence of Salmonella in the rectal swab of 66 swine on 8 farms and in 25 pork products at 6 meat retailers of Sa Kaew province. Salmonella was isolated from 3%(2/66) of swine rectal swab samples and 96%(24/25) of pork samples. In rectal swab samples, both S. Weltevreden and S. Dumfries were isolated from one sample, and S. Stanley from another sample. In pork, a total of 42 isolates (16 serovars) were found ; 8 strains of S. Rissen, 5 strains of S. Stanley and S. Anatum, 4 strains of S. Give and S. …


Prevalence And Patterns Of Antimicrobial Resistant Of Fecal Escherichia Coli Isolates Among Pigs On Eight Farrow-To-Finish Farms And Their Production Environments In Shandong Province, China, Hongchao Zhou, Lin Liu, Zhaofang Tian, Wenjuan Zhang Jan 2012

Prevalence And Patterns Of Antimicrobial Resistant Of Fecal Escherichia Coli Isolates Among Pigs On Eight Farrow-To-Finish Farms And Their Production Environments In Shandong Province, China, Hongchao Zhou, Lin Liu, Zhaofang Tian, Wenjuan Zhang

Turkish Journal of Veterinary & Animal Sciences

The main objectives of this study were to determine the prevalence and antimicrobial resistance patterns of Escherichia coli isolates in feces of pigs and their production environments on farms. A total of 560 isolates of Escherichia coli, from 112 samples obtained from weaner and finisher pigs, feed, water, and house sparrows on 8 farrow-to-finish farms, were tested for susceptibility to 16 antimicrobials. The prevalence of resistance varied widely (0.0% to 69.5%) among the antimicrobials tested. From the tested swines, 75.75% of the isolates were resistant to one or more antimicrobials. Resistance was significantly more frequent (P = 0.005, P < 0.01) in swine isolates compared to those from feed, water, and sparrows and significantly more frequent (P = 0.007, P < 0.01) in weaner pigs compared to finisher pigs. The findings indicate that resistance to a broad range of antimicrobials was prevalent among fecal E. coli isolates of swine on the study farms. Fortunately, E. coli was not isolated from the feed, water, and house sparrows.