Produção de novilhos em sistema de pastagens irrigadas no município de dom Pedrito/RS

Abstract

Long hard winters of southern Brazil were seen as the villain of livestock. However, the main forage empty in southern Brazil, where there is drought, the summer is because the native grasslands by dramatically lower quality water deficit, and some summer forages, have reduced their productive potential. This study was conducted with 300 angus breed bulls and their crosses, properly dosed and weighed on an electronic scale in the fasting state, on January 24th, 2012, the start of grazing. The average batch was 325.75 kg, with an initial charge total of 1221.55 kg / ha. The monitoring was conducted in three paddocks with total area of 80 ha, irrigated with center pivot, where sorghum was implanted with sequential sowings in tillage, fertilization online and 10 kg / ha seed. Because of time constraint rains after the sowing was done an irrigation of 30 mm and twenty days after the first, new irrigation of 30 mm to ensure an adequate root development. We used the mineral Fosbovi Pampero (Tortuga Cia Zootechnical Land). It was observed that sorghum has productive capacity in the region of irrigation used since campaign. The system of rotational grazing permitted average daily gain of 1.186kg and 444.75 kg / ha in summer / autumn, with the offer to slaughter all animals getting payment amount above the state average.