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Economic and socio-environmental performance assessment of beef cattle production systems: a data envelopment analysis (DEA) approach with weight restrictions. Author(s): GOMES, E. G.; ABREU, U. G. P. de; MELLO, J. C. C. B. S. de; CARVALHO, T. B. de; ZEN, S. de This study evaluated the performance of 21 beef cattle modal production systems that conduct only the raising phase. These production systems were developed in 21 municipalities in seven Brazilian sta... ... Repository: BDPA Publication year: 2015
Scale of operation, allocative inefficiencies and separability of inputs and outputs in agricultural research: Embrapa case study. Author(s): SOUZA, G. da S. e; GOMES, E. G. In this article we consider some properties of concern for research production at Embrapa. We address questions related to statistical tests for the scale of operation, the presence of allocative inef... ... Repository: BDPA Publication year: 2011
An efficiency approach for analyzing the major agricultural economies. Author(s): SOUZA, G. da S. e; MOREIRA, T. B. S.; GOMES, E. G. Repository: BDPA Publication year: 2009
Growth performance in Crossbred (Holstein x Gyr) calves differing in phenotypic residual feed intake on pre-weaned period. Author(s): LEÃO, J. M.; MACHADO, F. S.; CAMPOS, M. M.; CARNEIRO, J. C.; MARTINS, P. C.; COSTA, I. C.; SILVA, P. S. D.; FARIA, B. K. A.; LIMA, J. A. M.; SOUZA, R. S. de; COELHO, S. G. Repository: BDPA Publication year: 2015
Effect of the K-N application levels on two oil palm genotypes in nursery stage. Author(s): RODRIGUES, M. do R. L.; LAMADE, E.; OLLIVIER, J.; DUBOS, B.; LOPES, R.; TEIXEIRA, W. G. Recently some researchers focus on the identification of planting material presenting a better efficiency towards nutrient applications and consumptions. Our work is focusing on the internal functioni... ... Repository: BDPA Publication year: 2018
The dynamism of brazilian agriculture. Author(s): CONTINI, E.; GASQUES, J. G.; ALVES, E. R. de A.; BASTOS, E. T. The Brazilian industrialization process was fundamental to modernize agriculture, creating in cities the demand for food and other inputs. Under this process, three agriculture policy instruments were... ... Repository: BDPA Publication year: 2010
Evaluation of a diet with high inclusion of co-products from the ethanol industry on the performance of Nellore cattle in the feedlot . Author(s): MELO, M. N. V. DE; AZEVEDO, A. S. S.; PASQUINI NETO, R.; MEDEIROS, S. R. de; BERNDT, A.; GOULART, R. S. Using high proportions of co-products from ethanol production plants for animal feed in feedlots is an important strategy to integrate these activities. Repository: BDPA Publication year: 2024
Cactus cladodes and sugarcane bagasse can partially replace earless corn silage in diets of lactating dairy cows. Author(s): MEDEIROS, I. P. S.; GUIDO, S. I.; GAMA, M. A. S. da; SILVA, C. H. M.; SIQUEIRA, M. C. B.; SILVA, C. S. DA; J. NETTO, A.; FELIZ, S. B.; RABELO, M. N.; SANTOS, T. V. M.; LEITE, M. A. M.; FERREIRA, M. A. This study aimed to evaluate the effects of replacing earless corn silage (ECS) with cactus cladodes (CC; Opuntia spp.) and sugarcane bagasse (SB) on nutrient intake, digestibility, feeding behavior,... ... Repository: BDPA Publication year: 2024
Residual feed intake and its effect on carcass and meat characteristics of feedlot Zebu cattle. Author(s): RIBEIRO, J. do S.; GONÇALVES, T. de M.; LADEIRA, M. M.; CAMPOS, F. R.; TULLIO, R. R.; MACHADO NETO, O. R.; OLIVEIRA, D. M. de; BASSI, M. S. The objective of this study was to evaluate the residual feed intake (RFI) and its relation with performance, carcass and meat characteristics of Zebu animals. A total of 40 Zebu steers with initial a... ... Repository: BDPA Publication year: 2012
Potential improvement of agricultural output for major producers based on DEA efficiency measurements. Author(s): SOUZA, G. da S. e; MOREIRA, T. B. S.; GOMES, E. G. In this article we perform production efficiency analysis for the 40 countries with largest value added by agricultural sector in 2005. Under the assumption of a nonparametric frontier and production... ... Repository: BDPA Publication year: 2011

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