| prevalence of antibodies to mycoplasma synoviae in laying hens and possible effects on egg shell quality. | mycoplasma synoviae (m. synoviae) can cause respiratory disease, synovitis, or result in a silent infection in chickens and turkeys. the importance of m. synoviae is well established in broilers but only a few studies have been conducted in layers. in the present study, the prevalence of m. synoviae in commercial layer flocks was estimated using elisa. for this study, 19 commercial layer flocks were selected randomly from new south wales and queensland region of australia from producers who were ... | 2012 | 22459486 |