Farms with over 50 cows must dose Bovaer or face heavy fines. Cows suffer collapsing, miscarriages, fevers, diarrhea, and plummeting milk yields. Some cows euthanized after weeks of agony. Removing Bovaer restores cow health and output within days. Reintroducing Bovaer triggers immediate relapse of symptoms. 66% of 551 surveyed herds report reduced feed intake. 68% report lower milk yields. 59% report both reduced intake and yields. 349 herds note increased digestive disorders like diarrhea and atypical milk fever. National milk producers demand investigation after 200+ complaints. Danish authorities now exempt sick herds from Bovaer. Norway dropped Bovaer requirement last month. Sweden halted Bovaer trials in November. UK consumers rejected Bovaer-dosed milk last year. First real-world study only starting three years post-approval. Canadian farmers uninterested due to price despite approval.