date:Aug 23, 2012
a ruminants diet, it translates to a 3.5% reduction in methane emissions.
Researchers found that the oil had the biggest effect if added when pasture was limited and of poor nutritional quality.
In spring, our rye grass gets up to around 5% oil anyway and you cannot go above 7%, so you dont have as much margin,said Eckard.
Drenching cows with tannin was also found to reduce methane emissions by up to 29%, but the scientists said that it was not a suitable feed additive.
But tannin is very b