INTEGRATED ANALYSIS OF SOIL–PLANT–ANIMAL DYNAMICS IN CONVENTIONAL AND VOISIN GRAZING SYSTEMS
DOI:
https://doi.org/10.61164/46gnkt36Keywords:
pastagens; manejo sustentável; pecuária; pastoreio racional; agroecologia.Abstract
Pasture degradation is one of the main constraints to productivity and sustainability in Brazilian livestock systems. In this context, Voisin Rational Grazing (VRG) emerges as an agroecological alternative to conventional management, promoting balance among soil, plant, and animal components. This study aimed to compare conventional grazing and VRG systems by evaluating dry matter production (DMP), botanical composition, and animal performance. The experiment was conducted at Chácara Bela Vista under similar edaphoclimatic conditions, using a design with two management systems subdivided into five paddocks of equivalent area. In the VRG system, Voisin’s four principles were rigorously applied, whereas the conventional system relied on continuous grazing. Results showed that VRG increased DMP by 31.7%, reduced the presence of invasive species by 16%, and enhanced forage species diversity, particularly Brachiaria brizantha and Panicum maximum. Moreover, animals under VRG exhibited superior average daily gain (0.78 kg/animal/day) compared to those in the conventional system (0.58 kg/animal/day). It is concluded that Voisin Rational Grazing is an efficient and sustainable agroecological technology capable of combining high productivity, soil conservation, animal welfare, and reduced dependence on external inputs, positioning itself as an essential tool for strengthening modern livestock systems and restoring degraded pastures in Brazil.
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