New study shows that toxic gas can form in cows’ stomach when being fed Bovaer with certain feed
By Peter Imanuelsen | The Freedom Corner | January 19, 2026
There have been many reports lately of cows suddenly collapsing and becoming sick after being fed with Bovaer.
This caused the largest dairy producer in neighbouring Norway to pause the use of Bovaer.
Farmers have been in despair as their herd has been suffering after Denmark introduced new laws mandating methane reducing feed to cows to reduce climate emissions.
Now there is a new study from Denmark showing some very interesting and disturbing findings.
You can say that perhaps the ”conspiracy theorists” were right once again. I was one of the first to warn about Bovaer years ago.
After the reports of collapsing cows, SEGES innovation, a Danish agricultural research organization has conducted investigations into Bovaer and what they found is very alarming. You probably won’t read about this on the mainstream media, so I will share it with you here.
SEGES put out an online questionnaire where farmers could report problems with Bovaer.
Responses came in from around 39% of all milk supplying herds in Denmark. Shockingly, 434 out of 644 herds were reported to have REDUCED milk yield. That is a whopping 67.4% that had reduced milk yields.
This suggests that there is impaired rumen function in the cows.
410 herds reported digestive and metabolic disorders, including poisoning symptoms and fever.
According to SEGES innovation, giving Bovaer in combination with a feed that is high in sulfur, often from rapeseed products, was linked to increased reports of feeding and metabolic disorders in cows.
Bovaer inhibits methane production, that is in fact the whole point of Bovaer. But this increases the availability of hydrogen in the stomach of the cow. If the cow then has lots of sulfur from the feed containing rapeseed, this can cause hydrogen sulfide to form.
Hydrogen sulfide is a TOXIC gas and is dangerous for humans and animals.
This is what happens when you try and mess with what God created. The cows are getting unintended side effects because someone thought it was a good idea to remove the methane that is naturally produced in the cows’ stomach.
This reaction and creation of this toxic gas in the cows stomach is now being described as a possible explanation as to why cows are becoming sick after eating Bovaer.
SEGES is therefore recommending a pause in the use of Bovaer until autumn 2026 for cows eating feed with large portions of rapeseed, pending experiments being done at Aarhus university.
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