Experimental infections in domestic ducks with Cryptosporidium baileyi isolated from chickens |
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| Authors: | D S Lindsay B L Blagburn C A Sundermann F J Hoerr |
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| Institution: | Department of Pathobiology, College of Veterinary Medicine, Auburn University, Alabama 36849. |
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| Abstract: | Oral inoculation of 13 ducks (Anas platyrhynchos) with 1 x 10(6) Cryptosporidium baileyi oocysts produced patent infections but no clinical signs of disease. Intratracheal inoculation of 13 ducks with 1 x 10(6) C. baileyi oocysts produced only mild clinical signs of respiratory disease, no deaths, and gross lesions of airsacculitis in only three ducks. The distribution of developmental stages of C. baileyi in ducks was similar to that observed in experimentally infected chickens and turkeys. Results of this study indicate that ducks are more resistant to experimentally induced respiratory cryptosporidiosis caused by C. baileyi than are chickens and turkeys. |
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