Prevalence of Salmonella on commercial layer farms in Barbados, 2009 – 2010 (Vicki Aimey)

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Abstract

During January – March 2009 an outbreak of Salmonella was diagnosed in four commercial layer farms in Barbados; 511 layers died and 3,257 layers were voluntarily culled. Salmonella Enteritidis (SE) was identified in avian tissues (ovaries, liver, uterus), and egg samples submitted to the Ministry of Agriculture, Food, Fisheries, and Water Resource Management (MAFFW) Veterinary Services (VS) Laboratory.

MAFFW VS conducted a survey to investigate the prevalence of Salmonella on commercial layer farms in Barbados. The relationships between farm-level exposure factors and diagnosis of Salmonella were also examined.

26 commercial layer farms were involved in this study. Samples were collected from each farm (eggs; environmental samples of dust, bedding, droppings, feed, etc.) and owners were interviewed (questionnaire on number of employees, holding size, biosecurity, general farm management, cleaning and disinfection).

After data analysis, the prevalence of Salmonella on commercial layer farms in Barbados has been determined as high. The most common serotype and high risk farms have been identified. To reduce the risk in Barbados of Salmonella infection and contamination (and other diseases of public health significance) it was proposed that a task force consisting of Ministry of Health and Ministry of Agriculture officials be created following this study.

 

Authors

Aimey, V. 1, Hunte, K. 1, Whitehall, P. 1, Sanford, B. 1, Trotman, M. 1, Delgado, A. 2, Lefrançois, T. 3, Shaw, J. 4 Hernandez, J. 5*

1 Ministry of Agriculture, Food, Fisheries, and Water Resource Management (MAFFW), Veterinary Services, The Pine, St. Michael, Barbados BB 11091;

2 IICA. P.O. Box 55-2200. San Jose, Vasquez de Coronado, San Isidro, Costa Rica 11101;

3 CIRAD UMR CMAEE, Prise d’eau, 97170 Petit Bourg, Guadeloupe, French West Indies;

4 USDA/APHIS/US Embassy, Santo Domingo, Dominican Republic;

5 University of Florida, College of Veterinary Medicine, Department of Large Animal Clinical Sciences. Gainesville, FL, USA 32608 * E-mail for correspondence: hernandezja@ufl.edu

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