| microorganisms associated with pneumonia in slaughter weight swine. | the lungs of 334 pigs were obtained from two slaughter plants in minnesota and examined in detail. macroscopic and microscopic evaluation, direct fluorescence for mycoplasma hyopneumoniae and bacterial culture were done on all of them and a subsample of 50 were selected for virus culture. mycoplasma hyopneumoniae, pasteurella multocida and haemophilus spp. were detected in 24.0%, 34.1% and 27.0% of the lungs, commonly in conjunction with each other. one isolate of haemophilus pleuropneumoniae se ... | 1985 | 4016578 |