| isolation and characterization of new genetic types of toxoplasma gondii and prevalence of trichinella murrelli from black bear (ursus americanus). | black bears (ursus americanus) are hosts for two important zoonotic parasites, toxoplasma gondii and trichinella spp. and bears are hunted for human consumption in the usa. little is known of the genetic diversity of t. gondii circulating in wildlife. in the present study, antibodies to t. gondii were found in juice from tongues of 17 (25.7%) of 66 wild black bear from maryland during the hunting season of 2010 and 2011. antibodies to t. gondii were assessed by the modified agglutination test. t ... | 2013 | 23537944 |