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Lipid metabolism of commercial layers fed diets containing aflatoxin, fumonisin, and a binder
  • Universidade Estadual Paulista (UNESP)
  • University of Missouri
  • 0032-5791
  • 1525-3171
Alltech do Brasil, Curitiba
Aflatoxins (AF) and fumonisins (FU) are a major problem faced by poultry farmers, leading to huge economic losses. This experiment was conducted to determine the effects of AF (1 mg/kg of feed) and FU (25 mg/kg of feed), singly or in combination, on the lipid metabolism in commercial layers and investigate the efficacy of a commercial binder (2 kg/t of feed) on reducing the toxic effects of these mycotoxins. A total of 168 Hisex Brown layer hens, 37 wk of age, were randomized into a 3 × 2 + 1 factorial arrangement (3 diets with no binder containing AF, FU, and AF+FU; 3 diets with binder containing AF, FU, and AF+FU; and a control diet with no mycotoxins and binders), totaling 7 treatments. The hens contaminated with AF showed the characteristic effects of aflatoxicosis, such as a yellow liver, resulting from the accumulation of liver fat, lower values of plasma very low-density lipoprotein and triglycerides, and higher relative weight of the kidneys and liver. Hepatotoxic and nephrotoxic effects of FU were not observed in this study. On the other hand, the FU caused a reduction in small intestine length and an increase in abdominal fat deposition. The glucan-based binder prevented some of the deleterious effects of these mycotoxins, particularly the effects of AF on hepatic lipid metabolism, kidney relative weight, and FU in the small intestine. © 2013 Poultry Science Association Inc.
Issue Date: 
Poultry Science, v. 92, n. 8, p. 2077-2083, 2013.
Time Duration: 
  • Aflatoxin
  • Binder
  • Fumonisin
  • Laying hen
  • Lipid metabolism
Access Rights: 
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Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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