Mycotoxin Survey in US corn: September 2019 update
Our September update from the annual Biomin® PROcheck mycotoxin survey in corn harvested in 2018 includes 725 samples from 32 states. Of the sample pool 67% are corn samples (487 samples), 21% are corn silage (153 samples), and 12% are corn by-product (85). Of the total sample pool 97% tested positive for at least one mycotoxin vs. 91% in 2017, while 74% of samples had more than one mycotoxin compared to 47% in 2017. Below we discuss trends of each of these feed ingredients regarding mycotoxin prevalence and contamination levels.