| Salmonella serovars isolated from poultry material from different geographical areas were identified in the 1994-1999 period. A total of73 serovars was isolated, with recognition of21 different serovars distributed in nine serogroups. Enteritidis was the serovar with highest incidence, 46.57%, and was isolated from feed, litter and meat, poultry byproducts and fish meal. Natum had the second highest incidence, 6.84%, and 80% of isolations were made from meat meal. S. pullorum represented 2.73% of the isolations, 100% from brown layers, confirming their susceptibility to infection by this serovar. Of the materials included in the present study, broilers and meat meal had more Salmonella spp., 41.09% and 30.13%, respectively. Among the serovars isolated from... |
