Blood was collected from 49 adult woodland caribou (Rangifer tarandus caribou) captured in northern Alberta, Canada, from October to February, 1991 to 1992 and 1992 to 1993. Smears of the buffy coat layer and of whole blood were examined microscopically for Trypanosoma sp., and blood was cultured for latent parasites. Trypanosomes were present in 41 (84%) of 49 cultures 9 days or older, but none was detected in fresh blood. Trypanosomes were pleomorphic, consisting of small oval amastigotes, 2 to 8 μm, intermediate-size epimastigotes, 20 to 30 μm in total length (including the flagellum), and large trypomastigotes, 60 to 90 μm length, with pointed ends, a well developed kinetoplast, a long free flagellum, and a prominent undulating membrane. Dividing epimastigotes appeared in pairs or rosettes of five or more organisms. Based on culture characteristics and morphologic features, the organism was identified as Trypanosoma (Megatrypanum) sp.
You have requested a machine translation of selected content from our databases. This functionality is provided solely for your convenience and is in no way intended to replace human translation. Neither BioOne nor the owners and publishers of the content make, and they explicitly disclaim, any express or implied representations or warranties of any kind, including, without limitation, representations and warranties as to the functionality of the translation feature or the accuracy or completeness of the translations.
Translations are not retained in our system. Your use of this feature and the translations is subject to all use restrictions contained in the Terms and Conditions of Use of the BioOne website.
Vol. 33 • No. 2