Key result
Exposure to avian reovirus (FDO isolant) in mature hens resulted in widespread infection at 4 days that largely subsided by 14-15 days and was undetectable at 30 days, with no vertical transmission.
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Mature hens were exposed to a reovirus (FDO isolant) serologically related to the viral arthritis agent. Examination of 23 tissues from the respiratory, alimentary, and reproductive tracts and tendons from the hock joint revealed widespread infection 4 days after inoculation via the respiratory and alimentary tracts. By 14-15 days, infection had largely subsided but was still detectable in the tendons, oviduct, and alimentary tract of some birds. No infection was found at 30 days. Virus isolation attempts in chick kidney cultures were more reliable than fluorescent-antibody tests for detecting infection. None of 156 chicks hatched from eggs laid between 12 and 33 days postinoculation were infected.
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Avian reovirus (FDO isolant) causes widespread but transient infection in mature hens, clearing by 30 days without vertical transmission to hatched chicks.
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Menendez et al. (1975) studied Avian reovirus infection. Avian reovirus (FDO isolant) was evaluated on Tissue localization of infection. Exposure to avian reovirus (FDO isolant) in mature hens resulted in widespread infection at 4 days that largely subsided by 14-15 days and was undetectable at 30 days, with no vertical transmission.
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