Food Safety and Regulatory Aspects of Cattle and Swine Cysticercosis

Authors: Saini, Parmesh K.¹; Webert, Donald W.²; McCaskey, Patrick C.²

Source: Journal of Food Protection®, Volume 60, Number 4, April 1997 , pp. 447-453(7)

Publisher: International Association for Food Protection

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Abstract:

Using slaughter disposition data maintained by the Food Safety and Inspection Service (FSIS) of the U.S. Department of Agriculture, prevalence of cattle cysticercosis (Cysticercus bovis) for a 10-year period from 1985 through 1994 is reported. Out of an annual average of approximately 33 million slaughtered cattle, about 6,200 carcasses were identified with cysticercus lesions. In the five FSIS inspection regions in the United States, namely Western, Southwestern, Northeastern, Southeastern, and North Central, an average cattle cysticercosis prevalence of 0.0697, 0.0085, 0.0012, 0.0004, and 0.0003, respectively, is reported. The relevance of serological testing in lieu of, or as a supplement to, the current labor-intensive physical detection procedure in cattle is discussed, the latter being reported to miss close to one-third of the carcasses harboring cysticercus lesions. Out of a total of approximately 80 million swine slaughtered annually in the United States, the number of carcasses identified with cysticercus lesions (Cysticercus cellulosae) is extremely low, ranging from 1 through 44 during each of the 10 years. Swine cysticercosis (unlike cattle cysticercosis), with man being an alternate intermediate host, poses serious public health concerns with sometimes fatal consequences manifested through neurocysticercosis (Cysticercus cellulosae). Though human cysticercosis is still rare in the United States, recent reports have indicated an upturn in diagnosed cases. These are primarily the result of an increasing number of immigrants and international travel to and from endemic areas.

Keywords: CYSTICERCOSIS; CATTLE; SWINE; PUBLIC HEALTH; SLAUGHTER INSPECTION; PREVALENCE

Document Type: Review article

Affiliations: 1: Serology Branch, Pathology and Serology Division, Science and Technology Program, Food Safety and Inspection Service, U.S. Department of Agriculture, Bldg. 322, BARC-East, Beltsville, MD 20705, USA; U.S. Department of Agriculture, Food Safety and 2: Serology Branch, Pathology and Serology Division, Science and Technology Program, Food Safety and Inspection Service, U.S. Department of Agriculture, Bldg. 322, BARC-East, Beltsville, MD 20705, USA

Publication date: 1997-04-01

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First published in 1937, the Journal of Food Protection^®, is a refereed monthly publication. Each issue contains scientific research and authoritative review articles reporting on a variety of topics in food science pertaining to food safety and quality. The Journal is internationally recognized as the leading publication in the field of food microbiology with a readership exceeding 11,000 scientists from 70 countries. The Journal of Food Protection^® is indexed in Index Medicus, Current Contents, BIOSIS, PubMed, Medline, and many others.

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Food Safety and Regulatory Aspects of Cattle and Swine Cysticercosis

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