Reduction of deoxynivalenol contaminating corn silage by short-term ultraviolet irradiation: A pilot study

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Abstract

We evaluated the effects of short-term (up to 60 min) irradiation of corn silage with ultraviolet (UV) light (intensity: 1.5 mW/cm 2 at 254 nm UV-C wavelength), along with constant stirring of the silage, on the concentration of deoxynivalenol (DON), a major feed-contaminating mycotoxin, and those of α-tocopherol (vitamin E) and β-carotene (pro-vitamin A). The initial DON concentration in artificially contaminated silage was set at approximately 60 μg/g dry silage weight. After irradiation, the level of DON was decreased significantly (P<0.05) by approximately 13 μg/g (22%) on average at 30 min, and by 12 μg/g (21%) at 60 min. However, the concentrations of the vitamins remained relatively unaffected. Although further improvement is needed, short-term UV irradiation seems a promising on-farm method for reducing the level of DON in feedstuffs.

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APA

Murata, H., Yamaguchi, D., Nagai, A., & Shimada, N. (2011). Reduction of deoxynivalenol contaminating corn silage by short-term ultraviolet irradiation: A pilot study. Journal of Veterinary Medical Science. https://doi.org/10.1292/jvms.10-0409

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