Culex annulirostris as a vector of Eperythrozoon ovis infection in sheep |
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Authors: | KN Daddow |
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Institution: | Animal Research Institute, Yeerongpilly, Brisbane, 4105 Australia |
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Abstract: | Eperythrozoon ovis, a blood parasite of sheep, was transmitted from carrier lambs to susceptible lambs by the interrupted feeding of the mosquito Culex annulirostris. The circumstances of some of the transmissions were similar to those encountered in the field, in that carrier and susceptible lambs were exposed to a natural population of mosquitoes, while in another transmission an artificial means of containment of the mosquitoes was used. Infective E. ovis organisms were shown to be present in and/or on Cx. annulirostris for at least 14 hours by the inoculation of physiological saline-extracted material from macerated mosquitoes fed on E. ovis carrier lambs. |
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