| respiratory disease (rhinotracheitis) in turkeys in brittany, france, 1981-1982. i. field observations and serology. | during the summer of 1981, a respiratory disease epidemic occurred in turkeys in brittany, france. since this initial epizootic, which lasted through fall, epizootic waves similar to the initial one have occurred at approximately 6-month intervals, with smaller peaks at 2-month intervals. the epidemiology, clinical signs, and postmortem findings were highly suggestive of an epizootic of chlamydiosis. serological tests for chlamydia, paramyxoviruses, avian influenza, adenovirus 127, mycoplasma, a ... | 1985 | 3985881 |