airborne microbial contents in two types of swine confinement buildings in quebec. | airborne microorganisms were isolated with a sampler in two types of swine confinement buildings (farrowing units and fattening units). respirable (particles less than 5 microns) and total dust fractions were obtained. samplings were repeated every 2 weeks for a total of 6 samplings per unit between january and april. the predominant microorganisms isolated were bacteria (up to 1.25 x 10(6) cfu/m3) with an important fraction in the respirable size range (up to 0.5 x 10(6) cfu/m3). only small qua ... | 1990 | 2353639 |