Andre Fischer Sbrissia

Abstract The hypothesis was that variations in pre-grazing light interception (LI) would result in distinct pasture structures, directly affecting the frequency and severity of defoliation by grazing animals. This study evaluated the effects of four LI levels (80, 85, 90, and 95%) on the structural characteristics of zuri grass and on defoliation dynamics during grazing. Sixteen paddocks were grazed for 24 h, and defoliation was assessed in 18 tillers per paddock at 4, 8, and 24 h.

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