Nutritious attempts to detoxify aflatoxic diets of tilapia fish (Fish performance, feed and nutrients utilization, organs indices, residues and blood parameters)

Published on: 04/05/2007
Author/s : A.M. Abdelhamid; M.F.I. Salem; A.I. Mehrim; M.A.M. El-Sharawy - Mansoura University/Central Laboratory for Aquaculture Research, Egypt

Mycotoxins are secondary metabolites produced by certain filamentous fungi, which can be produced in foods as a result of fungal growth. They cause a toxic response, termed a mycotoxicosis, when ingested by higher vertebrates and other animals. Consumption of mycotoxin contaminated foods has been associated with several cases of human poisoning, or mycotoxicosis, sometimes resulting in death (Swee...

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April 5, 2007
Mycotoxins:
Mycotoxins are the secondary metabolites of pathogenic molds (mostly including Fusarium and Aspergillus species). These toxins are very harmful to animals depending of kind and level of Mycotoxin as well as species of animal. Between over 350 kinds of Mycotoxins, aflatoxins effects are studied more and other Mycotoxins are not enough considered.
Harmful effects : Mycotoxins harmful effects include inhibiting effect on protein, sphingolipids, and DNA and RNA synthesis.
Theses harmful effects can damage many organs and whole body functions that includes: decreasing performance and quality of products, suppressing immune systems and visual symptoms.
Toxic levels:Toxic level of Mycotoxins not only depends on many factors including:
Type of Mycotoxin, Level of Mycotoxin, Synergism of Mycotoxins, age of the animal, Species of animal, Time of exposure to the Mycotoxin also existing other Mycotoxins, unsuitable raring conditions, stress and some infective disease can impress toxic level of a Mycotoxin and therefore you can not consider allowed level of Mycotoxins that is in references in commercial farms.
Solutions:
It is possible to minimize these harmful effects by different methods:
1-controlling storage of feed ingredients to avoiding mold pollution and growing molds.
2-using mold inhibitors in feed ingredients and /or complete feed.
3-using Mycotoxin binder in complete feeds to prevent inter to body.
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