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Sanitation of Feedlot Soil

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Title: Sanitation of Feedlot Soil
Author: Schipper, !thel A.; Bromel, Marcy C.; Plews, Patricia I.
Description: Coliform bacteria are those that inhabit the intestine of both humankind and the animal kingdom. There are two different forms of coliform. Only fecal coliform can grow at elevated temperatures. Escherichia coli (E. coli) is the most important member of the fecal family variety. It can cause diarrhea in newborn calves, lambs and piglets. Both forms of coliform are found in the soil. Fecal coliform is not native to the soil environment. In 1979, the North Dakota State University Department of Veterinary Science and Bacteriology bgan a 2 year co-operative study of the microbial environment of the calf with diarrhea. The Farm Journal Vol 40:17-28 referred to the barnyard as likened unto a 'reservoir of infection'. This article is the description of a two part study conducted at the NDSU Beef Barns in which 4 chemicals that were commonly used to disinfect feedlot and barnyard soils were applied for the determination of their effectiveness in their efficiency in the reduction of total coliform in heavily contaminated soils. The materials, methods, results and discussion are presented. Salt and quicklime appeared to have no effect in the control of these bacteria. Cleaning the lot and allowing it to dry thoroughly was sufficient in the reduction, but not total elimination, of fecal coliforms in the soil, making the application of chemical disinfectants to further 'clean up' the soil unnecessary for the conditions of this experiment.
Date: 1983
Subject: Soil
Livestock production
Permalink: http://hdl.handle.net/10365/4786

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