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Economic analysis of protein and energy supplementation of steers during the transition period between the rainy and dry seasons



Economic analysis of protein and energy supplementation of steers during the transition period between the rainy and dry seasons



Arquivo Brasileiro de Medicina Veterinaria E Zootecnia 60(4): 911-916



The effects of protein and energy supplements at two levels of daily intake - 0.17% and 0.37% of live weight (LW) - on the performance of steers under Brachiaria brizantha cv. Marandu pasture were economically evaluated using 14 steers per treatment. Treatments were: MS - mineral supplementation (control), SUP1 protein and energy supplementation with an average daily intake of 0.17% of live weight, and SUP2 - protein and energy supplementation with an average daily intake of 0.37% of live weight. Steers of treatments SUP1 and SUP2 showed higher weight gains, 0.655 and 0.746kg/animal/day, respectively, in relation to those in the control group, 0.535kg/animal/dia. Higher operational profits were observed, R$67.12/animal/period and R$72.08/animal/period, for steers from SUP1 and SUP2 treatments, respectively; in comparison to the R$66.67/animal/period for MS treatment. The residual remunerations of R$59.92, R$55.10, and R$54.85/animal/period, for steers from SUP2, SUP1, and SM, respectively, strongly suggest that energy-protein supplementation allow higher economic profit.

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Accession: 066213221

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DOI: 10.1590/S0102-09352008000400021



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