Location: Egg Safety & Quality ResearchTitle: Serotyping of Salmonella Isolates from Broiler Vertical Integrations in Colombia Author
Submitted to: American Association of Avian Pathologists
Publication Type: Abstract Only
Publication Acceptance Date: 11/27/2013
Publication Date: N/A
Citation: N/A Interpretive Summary:
Technical Abstract: This study analyzed 106 Salmonella isolates from different points in broiler vertical integrations of two important poultry areas of Colombia. It was possible to identify the presence of Salmonella in five categories: breeder farm (17.9%), hatchery (6.6 %), broiler farm (38.7 %), processing plant (9.4 %), and feed mills (27.4 %). Among these isolates, 17 serotypes were identified using intergenic sequence ribotyping. The most common serotype was S. Heidelberg, followed by S. Paratyphi B var. Java, S. Enteritidis, S. Gallinarum, S. Tennessee, and S. Saintpaul. Other serotypes identified in smaller proportion were Agona, Isangi, Mbandaka, Urbana, Albany, Javiana, Fresno, Miami, Muenster, Rissen, and one isolate UN0048. S. Paratyphi B-Java was the most common serotype in area A, and S. Heidelberg in area B. S. Enteritidis was present in higher proportion in area A (22%), compared with area B (1.8%). These results imply the possibility of cross contamination across the vertical integration. Additionally the presence of S. Enteritidis in samples from breeder farms and hatcheries highlight the main role of this serotype in vertical transmission; the presence of any Salmonella serotype in breeders should be considered as very important, given that any practices conducted in breeder farms may result in the presence of the same Salmonella serotype in broiler farms and other points of vertical integration. These results show the need of further analysis of the particular characteristics of the different serotypes involved in broiler vertical integrations in Colombia.