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 |
[respiratory diseases of swine: some epidemiologic aspects]. | epidemiological surveys enable to know better the aetiology of respiratory diseases. the surveys carried out in slaughter-houses in brittany (france) in 1980 and 1981, show a worrying situation concerning porcine respiratory diseases. microbiological studies brought out the preponderance of the isolation of mycoplasma hyopneumoniae, pasteurella multocida, bordetella bronchiseptica, streptococcus suis and actinobacillus suis. some patterns of experimental infection with mycoplasma hyopneumoniae a ... | 1985 | 4064626 |