Economic results from rearing beef calves in oat and italian ryegrass pasture
Abstract
The objective of this trial was to demonstrate economic retum of rearing young beef calves in oat andItalian ryegrass pasture managed under leveis of 352, 422 and 507 kg ha' of green leaf biomass (GLB), correspondingto low, medium and high biomass, respectively. The trial was held from May to October of 2003. Forty four bullcalves of Charolais breed and its crosses with Nelore, with average initial age of nine months and 153 kg of initialliveweight. Economic computations used values from March of 2004, in a market census at Santa Maria. Resultaindicate, as other works, increase in value of urea and formulated fertilizer in last years, increasing costs of pastureestablishment, especial ly those of cool season species. Total operational costs were 384.92 kg ha' of LW. Enlargingutilization period from 85 to 106 days allowed higher live weight gains per hectare and, as a consequence, higherprofitability. Resulta indicate that the treatment gaving the higher return from invested capital is the medium GLB.Rearing calves in cool season pasture is an economically feasible investment.
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