Bacitracin and Roxarsone

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Use of Bacitracin and Roxarsone to Reduce Salmonella Heidelberg Shedding Following a Necrotic Enteritis Chanllenge Model

C.L. Hofacre, G.F. Mathis, S.H. Miller, and
M.W. LaVorgna

Summary

This study was performed to determine if the enteric necrotic enteritis results in higher shedding of Salmonella. Fifty percent of the chicks per pen were challenged with a naladixic acid-induce intestinal epithelium damage was used to demonstrate that neither the disease necrotic an effect on the incidence of Salmonella Heidelberg. However, the feed additive 3--nitro-4-
hydroxyphenylarsonic acid, which control the cecal coccidian Eimeria tenella, significantly reduced the amount of Salmonella Heidelberg in the environment of the chick as measured by dragswabs and also reduced the number of ceca positive in the contact chicks.

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