Journal
TRENDS IN PARASITOLOGY
Volume 30, Issue 1, Pages 4-11Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.pt.2013.11.001
Keywords
pigs; Trichinella; backyard; free-ranging; risk-based surveillance; audit; controlled housing
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Each year, millions of pigs worldwide are tested for Trichinella spp. at slaughterhouses with negative results. Yet, thousands of people acquire trichinellosis by consuming pork. So, where is the problem? Testing for Trichinella spp. is often performed on the 'wrong' animals; while the parasites are mainly circulating in backyard and free-ranging pigs, herds kept under controlled management conditions are the ones tested. Veterinary services should: (i) introduce a risk-based surveillance system for Trichinella by documenting the control of housing conditions and feedstuff sources, and (ii) introduce a capillary network of field laboratories for monitoring the parasites in free-ranging and backyard pigs. Investment of funds into the education of farmers, hunters, and consumers should be a priority for public health services.
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