| distribution, prevalence and intensity of trichinella spiralis infection in furbearing mammals of pennsylvania. | tongues from 1,170 raccoons, 384 opossums, 201 muskrats, 168 foxes (red and grey), 51 skunks, and 17 mink from pennsylvania were examined for trichinella spiralis larvae by peptic digestion. the overall prevalence of t. spiralis infection was 3.2%, varying in the carnivores from 2.6% in raccoons to 15.1% in red foxes; no muskrats were infected. prevalence varied regionally, being higher west of the susquehanna river, where, in the ridge and valley province, it reached 9%. the larval densities va ... | 1984 | 6387078 |
| prevalence of giardia and cryptosporidium in muskrats in northeastern pennsylvania and new jersey. | giardia spp. and cryptosporidium spp. are intestinal parasites that affect humans and animals throughout the world. although infection with giardia spp. is usually self-limiting, some cases result in mild to severe enteritis. giardiasis can be treated with modern drugs. the increasing incidence of well-documented outbreaks of cryptosporidiosis has resulted in a growing awareness of the danger of this infection. in this study, the authors examined beavers and muskrats to determine their role as r ... | 2009 | 19408429 |
| hepatic capillariasis in muskrats (ondatra zibethicus). | we present the first prevalence data of hepatic capillariasis in muskrats in pennsylvania and connecticut (usa). the prevalence of hepatic capillariasis in five groups of muskrats coming from different locations and numbering 81, 229, 11, 19, and 20 animals, was 42%, 78%, 36%, 16%, and 0%, respectively. liver lesions varied from minimal to severe multifocal granulomatous hepatitis, often containing adult worms or eggs. | 1993 | 8355364 |