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Fumonisin toxicity in broiler chicks.
D R Ledoux1, T P Brown, T S Weibking
1Animal Sciences Department, University of Missouri, Columbia 65211.
Summary
Dietary fumonisin B1 significantly harms young broiler chicks, reducing growth and increasing organ weights. This mycotoxin causes diarrhea, organ damage, and bone issues, confirming its toxicity in poultry.
Area of Science:
- Animal Science
- Toxicology
- Poultry Science
Background:
- Mycotoxins, such as fumonisin B1, are contaminants in animal feed.
- Fusarium moniliforme is a common source of fumonisin B1.
- Understanding fumonisin B1 toxicity is crucial for poultry health and food safety.
Purpose of the Study:
- To evaluate the toxic effects of dietary fumonisin B1 on young broiler chicks.
- To determine the dose-dependent responses to fumonisin B1 exposure.
- To assess impacts on chick performance, organ weights, serum biochemistry, and histology.
Main Methods:
- Five treatment groups of broiler chicks were fed diets containing 0, 100, 200, 300, or 400 mg fumonisin B1/kg for 21 days.
- Measurements included body weight, average daily gain, organ weights (liver, proventriculus, gizzard), serum biochemistry, and histological examination.
- A control group received a standard diet without added fumonisin B1.
Main Results:
- Increasing dietary fumonisin B1 levels led to significant decreases in body weight and average daily gain.
- Liver, proventriculus, and gizzard weights increased with higher fumonisin B1 concentrations.
- Chicks exhibited diarrhea, thymic atrophy, hepatic necrosis, biliary hyperplasia, and rickets; serum calcium, cholesterol, and AST levels were elevated.
Conclusions:
- Dietary fumonisin B1 is toxic to young broiler chicks.
- Fumonisin B1 negatively impacts growth, organ development, and overall health in poultry.
- These findings highlight the need for monitoring and managing fumonisin B1 contamination in poultry feed.