ESTUDO DE CASO SOBRE A BOVINOCULTURA DE CORTE INTENSIVA A PASTO NO MUNICÍPIO DE PARAÍSO DO TOCANTINS - TO

Abstract

The use of technologies and/or adoption of technological packages aimed at intensifying production must have economic viability and return on invested capital in a given period of time, these factors are directly related to the terms of trade that are specific to each region. However, there are many doubts about how the adoption of these technological packages works and the results in the central region of Tocantins. Therefore, the objective was to analyze the system of intensive beef cattle raising on pasture in BRS Zuri or Marandu grass under intermittent grazing at the ideal pre- and post-grazing time in the municipality of Paraíso do Tocantins - TO. The experiment was carried out in two production systems, one with 29 hectares with Panicum maximum cv. BRS Zuri and another with 27 hectares of Brachiaria brizantha cv. Marandu, managed under intermittent stocking with stocking rate, rest period and variable grazing. The animals used were uncastrated males of Nelore, ½ Nelore/Aberdeen Angus and crossbred breeds. The responses of management on the forage plant in pre- and post-grazing (grazing period, rest period, dry mass production and canopy structural composition) and animal and economic performance were evaluated. For grazing management used in the systems, the average canopy height in pre-grazing was 71 cm for BRS Zuri grass and 45 cm for Marandu grass, the system with BRS Zuri grass showed more desirable responses in dry mass production and structural composition of the forage canopy. In terms of productive and economic performance, the systems showed positive responses, with superiority to the BRS Zuri grass system, with a production of 24,15@ ha-1 , operating cost of R$ 27.169,97 ha-1 , gross margin of R$ 5.710,86 ha-1 and an annual remuneration rate of 24,01%. The Marandu grass system had a productivity of 11,13@ ha-1 , operating cost of R$ 38.764,20 ha-1 , gross margin of R$ 943,73 ha-1 and a rate of return of 2,43%. The management of the forage plant directly affects the structure of the forage canopy, which in turn influences the productivity and profitability of the system. The main challenges were related to weather conditions and their impacts on forage production, requiring higher or lower stocking rates, which requires strategic planning aimed at meeting this demand for animals or an area for their allocation.