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Journal of Dairy Science Vol. 57 No. 2 260-263
© 1974 by American Dairy Science Association ®
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A Survey of Effects of Animal Wastes on Stream Pollution from Selected Dairy Farms1

J. J. Janzen, A. B. Bodine and L. J. Luszcz

Department of Dairy Science, Clemson University, Clemson, South Carolina 29631

ABSTRACT

Water was sampled from flowing streams adjacent to dairy farms within South Carolina. Stream samplings were above, adjacent, and below the major animal waste drainage area. Disposal systems were lagooning, dry disposal, and liquid manure handling.

Increases were small for fecal coliform, biochemical oxygen demand, and chemical oxygen demand between locations above and below. Ninety percent of water samplings exceeded fecal coliform standards of not more than 10/ml, 10% reflected a dissolved oxygen of less than 5 mg/liter, and 30% of tie samples had a pH below 6.0.

FOOTNOTES

1 Technical Contribution No. 1099, South Carolina Agricultural Experiment Station. Published by permission of the Director.






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Copyright © 1974 by the American Dairy Science Association ®.