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International Journal of Advanced Research and Publications

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Decontamination Strategies To Reduce The Impact Of Deoxynivalenol (DON)-Contaminated Grain On Farm Animals Particularly Swine – A Review

Volume 4 - Issue 3, March 2020 Edition
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Author(s)
Johnson, N. C., Iorliam, B.
Keywords
Decontamination, DON, Grain, Strategies and Swine
Abstract
Due to the negative impacts of DON on the growth performance of pigs it is recommended that DON in the diets of pigs should not be above 1 ppm. It is however further recommended that for pregnant and lactating pigs, their diets should be ‘DON-free.’ However, based on data from recent studies it is recommended that DON should not be more than 2 ppm in the diets meant for barrows. Nevertheless, although DON effects on swine is dose-dependent and for the fact that DON occurrence in grains can be sporadic in some growing seasons, the establishment of the threshold of DON would be difficult. In support of findings of some studies, barrows could tolerate DON level of 2 ppm in their diets without reduction in performance. Therefore, in growing seasons of heavy fusarium challenge grains can be highly contaminated by DON thereby making it difficult to feed or use such grains in the diets of swine. Strategies are therefore required to reduce DON loads of such grain if they are intended for swine feeding. During such seasons DON in grains can be as high as 5 ppm. An effective strategy of DON decontamination of the grain therefore may be capable of converting such grains to usable feedstuffs for swine, especially barrows. This paper highlights strategies that can be adopted to better manage DON in grains. The strategy to adopt is dependent on the available technology in the environment. They come under biological, chemical and physical strategies.
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