Effect of storage time of barley on the occurrence of mycotoxins after artificial inoculation (Fusarium culmorum)
2014
Horky, P., Mendel University in Brno (Czech Republic). Dept. of Animal Nutrition and Forage Production
The samples of barley infected with Fusarium culmorum were included in the experiment. Control analysis was carried out after harvest in 2012. In the samples, the following mycotoxins were detected such as deoxynivalenol; deoxynivalenol-3-glukosid; 3-acetyl-deoxynivalenol; zearalenon; beta-zearalenol; alternariol; alternariol-methylether; enniatin B; enniatin B1; enniatin A; enniatin A1. Barley grain was stored under defined conditions. After one year, barley samples were analyzed again. From detected mycotoxins, deoxynivalenol levels were significantly increased by 29%; DON-3-glucoside by 58% and zearalenone by 73%. The results show that the stored barley leads to an increase in the concentration of mycotoxins after one year of storage, which has a direct influence on indicators such as fattening or reproductive performance of breeding pigs.
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