| the characterization of salmonella serovars isolated from apparently healthy slaughtered pigs at addis ababa abattoir, ethiopia. | we looked for salmonella in all 278 apparently healthy pigs slaughtered between september 2004 and may 2005 at the only pig-slaughtering slaughterhouse in addis ababa, ethiopia. we used standard methods and tested caecal contents, mesenteric lymph nodes, and carcass swabs from each pig (missing only one carcass swab). of the 278 pigs, 120 (43%) were positive; of the 833 samples 173 (21%) were positive. thirty-three percent of the isolates were multi-resistant (including 46/48 isolates of s. hada ... | 2007 | 17658640 |