Work

The effect of feeding diets containing deoxynivalenol contaminated corn on channel catfish (Ictalurus punctatus) challenged withEdwardsiella ictaluri

Year: 2013

Type: article

Abstract: 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 (P > 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 (P < 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 (P > 0.05) alter fish body weight gains and appeared to provide a protective effect for channel catfish challenged with the pathogenic bacterium Edwardsiella ictaluri.

Source: Aquaculture Research

DOI: 10.1111/are.12123

Authors: Bruce B Manning, Hamed K Abbas, David J Wise, Terry Greenway

Institutions: Mississippi State University, Agricultural Research Service

Language: English

Topic: Aquaculture Nutrition and Growth

Subfield: Aquatic Science

Field: Agricultural and Biological Sciences

Domain: Life Sciences

SDG: Zero hunger

Open Access status: bronze

Funders: U.S. Department of Agriculture, Mississippi State University, Maine Agricultural and Forest Experiment Station, Agricultural Research Service