Some helminth parasites of sandhill cranes from mid-continental North America.
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Biomedical subjects
K A Waldrup
Publications and source records attributed to K A Waldrup.
Distribution of Parelaphostrongylus tenuis (Nematoda: Metastrongyloidea) in white-tailed deer from Oklahoma.
The meningeal worm (Parelaphostrongylus tenuis) was found in 75 of 190 (39%) white-tailed deer (Odocoileus virginianus) examined in Oklahoma from 1977-81. Infections were found in deer from southeastern mixed forest, oak-hickory forest, oak-bluestem parkland and oak-hickory parkland, and not in deer from western bluestem prairie, bluestem-grama prairie and grama-buffalo grass ecoregions. Factors which may influence the distribution of meningeal worm in Oklahoma include distribution and densities of suitable snail hosts and deer feeding habits.
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The isolation and partial characterization of a Babesia sp. from desert bighorn sheep (Ovis canadensis nelsoni).
A novel Babesia parasite of desert bighorn sheep was isolated. Its taxonomic description, host range, pathogenicity and antigenic relatedness were investigated. The parasite was infective for black-tailed and white-tailed deer, but with host-specific differences compared to that of bighorn sheep. A splenectomized calf and domestic sheep were refractory to infection. A comparative immunofluorescence assay detected antigens cross-reactive with Babesia odocoilei, B. divergens, B. equi and B. caballi, but not with B. bovis or B. bigemina. Babesia odocoilei was also infective for bighorn sheep, allowing comparison by a cross-challenge experiment, the results of which supported the conclusion that this parasite was not B. odocoilei. However, the bighorn sheep Babesia cannot currently be distinguished from B. capreoli described from roe deer in northern Germany. Data indicate that, while this parasite may not present a problem for domestic animals, it may cause disease in bighorn sheep and deer populations.
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