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Appl Environ Microbiol. 1976 August; 32(2): 270-273
Copyright © 1976 American Society for Microbiology. All Rights Reserved.

Bacteria in the Air of Housed Swine Units 1

L. F. Elliott2, T. M. McCalla and J. A. Deshazer

a U.S. Department of Agriculture, Agricultural Research Service, Lincoln, Nebraska 68503

ABSTRACT

Two housed, swine-growing-finishing units were studied for numbers of total bacteria, fecal coliforms, Staphylococcus, and Salmonella in the air. At 30.5 and 122 cm from the floor, total colony-forming particles, as tested, averaged 3.4 x 105 and 1.3 x 105/m3 of air, respectively; whereas fecal coliform counts averaged 24 x 103 and 1.9 x 103/m3 of air, respectively. Only 41% of the organisms growing on Staphylococcus 110 medium tested as Staphylococcus. Of 458 Staphylococcus isolates, 5 were coagulase-positive. No Salmonella were detected in the air of the units tested.

FOOTNOTES

2 Present address: USDA-ARS-Western Region, Washington State University, Pullman, WA 99163.

1 Contribution from the Soil, Water, and Animal Waste Management Research Unit, North Central Region, Agricultural Research Service, USDA, and in cooperation with the Nebraska Agricultural Experiment Station, Department of Agricultural Engineering, University of Nebraska, Lincoln, Neb. Published as paper no. 4060, Journal Series, Nebraska Agricultural Experiment Station.

Appl Environ Microbiol. 1976 August; 32(2): 270-273
Copyright © 1976 American Society for Microbiology. All Rights Reserved.



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