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Journal of Environmental Quality Abstract -

Incidence of Salmonellae in Feedlot Manure1


This article in JEQ

  1. Vol. 8 No. 4, p. 480-481
    Received: Nov 24, 1978

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  1. N. A. Clinton,
  2. R. W. Weaver,
  3. L. M. Zibilske and
  4. R. J. Hidalgo2



Manure from cattle in 11 major feefllots in Texas was sampled during summer and winter months to determine the presence of salmonellae. Both moist and dry samples of manure were collected. Of the 505 pens from which manure was sampled, 49 were positive for salmonellae. Only 2 of the 49 isolations were made from dry manure samples. One feedlot contained salmonellae in 44% of its pens. But no salmonellae were isolated from the manure in two of the feedlots. The frequency of isolating salmonellae from different feedlots varied with the season of the year but the overall frequency was similar for both seasons. Ten salmonella serotypes were isolated with the two most common being Salmonella typhimurium and Salmonella anatum. These results indicate that manure in feedlots may have an important role in the epidemiology of salmonellae.

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