Vol. 7 No. 1 (1999)

Original paper

• Estimation of metabolizable energy and utilization of fly larvae (Musca domestica L.) in the feeding of broilers

  Arturo Pro Martinez, Manuel Cuca-Garcia, C. Becerril, H. Bravo, E. Bixler, A. Perez

• Study of genetic varibility of reproductive traits in Nellore bulls

  Celia Raquel Quirino, Jose A. Bergmann, V. R. Vale Filho, V. J. Andrade, S. R. Reis, R. Mendoça, C. G. Fonseca

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• An approach to the characterization of english and welsh dairy farmers as to progressiveness and attitude toward computerized information systems

  Magda Maria Guilhermino, I. B. Sampaio

• Genetic parameters of milk production, evaluation of sires, and characterization of dairy farms in the humid tropics of Costa Rica

  Heriberto Gomez-Castro, Assefaw Tewolde

• Aerobic stability of native tropical grasses and grain sorghum silage stored at different temperatures

  Abner A. Rodríguez, G. Gonzalez, J. A. Acevedo, E. O. Riquelme

• Annual proudction of native grasses on “Calden” (Prosopis caldenia Burk.) range in San Luis Province, Argentina

  E. G. Gabutti, M. J. Privitello, M. A. Maidana, R. U. Harrison