experimental toxoplasmosis in elk (cervus canadensis).one cow elk (approx 4 months pregnant) and one calf elk were each inoculated intraruminally with 10(5) infective oocysts of toxoplasma gondii. both animals were seronegative when inoculated, but became seropositive to t gondii. sabin-feldman dye test antibody titers in relation to day postinoculation were as follows: 1:1024, 1:1024, and 1:2048 (days 28, 69, and 73) for the calf; 1:2048, 1:128, and 1:128 (days 34, 69, and 73) for the cow; and 1:2546 (73 days after inoculation of the cow) for the ...19807406299
serological evidence of besnoitia spp. infection in canadian wild ruminants and strong cross-reaction between besnoitia besnoiti and besnoitia tarandi.bovine besnoitiosis, caused by besnoitia besnoiti, is considered to be emergent in europe and responsible for severe economic losses due to the chronic and debilitating course of the disease but has not been reported in north america. besnoitia tarandi is a related species and it has been reported in reindeer and caribou from different locations of the arctic pole, including north america. diagnosis of clinical besnoitiosis is largely based on the recognition of dermal grossly visible tissue cys ...201222795672
high seroprevalence of toxoplasma gondii in elk (cervus canadensis) of the central appalachians, usa.toxoplasma gondii is an important protozoan parasite of mammals that impacts animal health and behavior. although this parasite has been documented in several cervid species, including red deer (cervus elaphus) in europe, little is known about t. gondii impacts on the closely related north american counterpart, the elk (wapiti, cervus canadensis), which has increased in number and expanded in range during the past century. we assessed seroprevalence of t. gondii antibodies using a modified agglu ...201728130658
isolation of viable toxoplasma gondii, molecular characterization, and seroprevalence in elk (cervus canadensis) in pennsylvania, usa.toxoplasmosis is a worldwide zoonosis. the ingestion of uncooked/undercooked meat and consumption of water contaminated with toxoplasma gondii oocysts excreted by felids are the main modes of transmission of this parasite. t. gondii has been reported in multiple cervid species; however, little is known of the parasite in north american elk (cervus canadensis). in the present study, antibodies to t. gondii were detected in serum of wild elk from pennsylvania collected during 2013-2016 by the modi ...201728807274
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