Effects of supplementation on production of beef cattle grazing tropical pastures in Brazil during the wet and dry seasons: a meta-analysis

A meta-analysis was undertaken to examine the effects of different supplementation strategies on production beef cattle grazing tropical pastures during wet and dry seasons in Brazil. The database built with 132 studies published from 1999 2010, which accounted for 6,275 individual animals. supplements assessed were classified into three groups: energy supplement containing <20% crude protein (CP), ≥20% CP, urea mineral supplement. levels ranged 0 1.6% body [...]