Performance and quantitative and qualitative carcass traits of lambs fed with diets containing sunflower seed were evaluated. Sixteen lambs were randomly distributed to a completely randomized design with four diets (0.00, 6.60, 13.20 or 19.80% of sunflower seed, % as fed), with 4 replications. The diets contained 2.65, 2.78, 2.89 and 2.93 Mcal / kg of metabolize energy and 18.38, 18.75, 19.98 and 21.18% crude protein, respectively, and was ad libitum fed. The lambs were weighed every 14 days and […]

The objective was to evaluate the use of four levels of soybean hulls (0.0, 8.0, 16.0 and 24.0%) to replace the corn meal (0.0, 25, 50 and 75%) in the diet of sheep in feedlot. Performance, nutrient digestibilities and feeding costs were evaluated. Twenty Santa Inez breed lambs with 32.96 kg BW were distributed to a completely randomized design with four diets and five replications. The diet was composed of 50% forage (50% of corn silage and 50% of sugar […]

The effect of corn grain processing (whole, treated with urea, or crushed forms) on the digestibility of diets and performance in early weaned calves kept in feedlot was evaluated. The diet was formulated with silage sorghum as forage in 40:60 forage to concentrate ratio (%DM). Digestibility of dry matter (DM), organic matter, crude protein, ether extract, neutral detergent fiber, acid detergent fiber, cellulose, gross energy and starch, fecal pH and DM intake were evaluated in an assay using six 7-mo […]

With the objective to evaluate the performance, voluntary intake and nutrient digestibilities, 24 NDB (no defined breed), non castrated male lambs with 20 ± 3.25 BW initial and 4.6 ± 0.8 months old were used. Animals were kept in feedlot and fed diets with babassu meal (0, 10, 20 and 30%) in substitution to Panicum maximum Jack hay. The diets, isoprotein and isonitrogenous, were fed in a complete mix ration. A completely blocks randomized design, with four treatments and six […]

This study was aimed at applying Data Envelopment Analysis (DEA) models to evaluate the efficiency of introducing and adapting different technologies in beef cattle production system in the Pantanal wetlands, Brazil. The economic data used in the analysis were recorded from 1995 to 2002. Two methods were used to select the DEA variables set. The first one is based on the multicriteria approach of variables selection, which combines the conflicting objectives of better ranking of decision making unit (DMU) and […]