Silvateam is undertaking trials in beef cattle in Brazil on its additive, a blend of chestnut and quebracho tannins and saponins designed to reduce methane emissions in ruminants, following on from its recently formed partnership with JBS.
Increasing the proportion of hazel leaves in the diet of dairy cows reduces methane yield and excretion of nitrogen in volatile form, but not milk yield, finds a team of international researchers.