The effect of feeding diets containing deoxynivalenol contaminated corn on channel catfish (Ictalurus punctatus) challenged with Edwardsiella ictaluri. Issue 11 (25th January 2013)

• Record Type: Journal Article
• Authors: Manning, Bruce B; Abbas, Hamed K; Wise, David J; Greenway, Terry
• Is Part Of: Aquaculture research. Volume 45:Issue 11(2014:Oct.)
• Page Start: 1782
• Page End: 1786
• Publication Date: 2013-01-25
• Subjects: Aquaculture -- Periodicals; Fishery management -- Periodicals; 639.8
• DOI: 10.1111/are.12123
• Languages: English
• ISSNs: 1355-557X

Abstract

<abstract abstract-type="main" id="are12123-abs-0001"> <title>Abstract</title> <p>Channel catfish were fed practical corn‐soybean meal diets for 10 weeks that contained various weighed amounts of ground, dried field corn contaminated with 20 mg deoxynivalenol (DON) kg⁻¹. Weighed amounts of DON corn were blended with weighed amounts of ground, clean corn that contained no DON (0 mg kg⁻¹) to yield five diets that had 0, 2.5, 5.0, 7.5 and 10.0 mg DON kg⁻¹ of diet. Results show that catfish fed diets that contained DON for 7 weeks did not experience lower weight gains or poorer feed conversion ratios that were significantly (<italic>P</italic> &gt; 0.05) different from control‐fed fish. Mortality of catfish during the 21‐day post‐challenge period indicate that catfish fed diets containing DON‐contaminated corn that provided at least 5.0 mg DON kg⁻¹ of diet had significantly (<italic>P</italic> &lt; 0.05) lower mortality than catfish fed the control diet or the diet that provided 2.5 mg DON kg⁻¹ of diet. The presence of DON‐contaminated corn in the experimental diets did not significantly (<italic>P</italic> &gt; 0.05) alter fish body weight gains and appeared to provide a protective effect for channel catfish challenged with the pathogenic bacterium <italic>Edwardsiella ictaluri</italic>.</p> </abstract>