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THE CRIOLLO CATTLE PROJECT OF SANTA CRUZ, BOLIVIA

Published online by Cambridge University Press:  01 August 2011

J.V. Wilkins ,
F. Rojas  and
L. Martinez
J.V. Wilkins
Affiliation:
Livestock Adviser, British Tropical Agricultural Mission, Casilla 359, Santa Cruz, Bolivia
F. Rojas
Affiliation:
Centro de Investigaci6n Agricola Tropical, Casilla 247, Santa Cruz, Bolivia
L. Martinez
Affiliation:
Centro de Investigaci6n Agricola Tropical, Casilla 247, Santa Cruz, Bolivia
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Summary

Plans to improve the milk production ability of the Criollo in Bolivia are outlined. The background problems are stated, and experiments to improve by crossbreeding are described. The Criollo improvement project which makes use of the purebred Criollo was planned in two stages. The first was the attempt to measure the performance of Criollo cows purchased from commercial herds, and milked without their calves. The second stage was the comparison of performance with the results of the crossbred trial. The intentions and plans to progeny test the Criollo bulls are summarized and the hopes of producing bulls for sale and use on temperate breeds of cow are described. The problems encountered in the project are stated, and the results are viewed in the context of work with Criollo in other countries.

Resume

Les plans d'amélioration des aptitudes laitiares des bovins créoles en Bolivie sont brièvement exposés. Les problémes de base sont indiqués et les essais par croisement sont décrits. Le projet d'amélioration des bovins créoles, qui utilise des créoles de race pure, a été conqu en deux étapes, la premiere consistent A mesurer les performances de vaches crgoles achetées dans des troupeaux commerciaux et traites sans leurs veaux, et la seconde A comparer les performances avec les résultats des essais de croisement. Les objectifs et l'organisation des tests de descendance effectués avec des taureaux créoles sont briavement indiqugs et l'on espzre produire des taureaux pour la vente et l'utilisation sur des races de vaches des zones tempérges. Les problames rencontrés dans le projet sont examinés et les résultats sont considérés dans le contexte des recherches effectuées sur les bovins créoles dans d'autres pays.

Resumen

Se esboran los planes para aumentar la capacidad de producción lechera del ganado de raza criolla de Bolivia. Se señalan los problemas básicos y se describen los experimentos para mejorar el cruzamiento con otras razas. El proyecto de mejoramiento del ganado criollo, en el que se utilizan animales de pura raza, se planificó en dos etapas. En la primera se trató de medir el rendimiento de las vacas criollas adquiridas a establecimientos comerciales y que fueron objeto de ordeño sin ternero. La segunda etapa fue comparar el rendimiento con los resultados de ensayo de cruce. Se resumen las intenciones y planes para ensayar la progenie de los toros criollos y se señalan las expectativas de obtener toros para la venta y para la fecundación de vacas de razas de zonas templadas. Se senalan los problemas con que se ha tropezado en el proyecto, y se consideran los resultados en el contexto de los trabajos con ganado criollo en otros paises.

Type
Research Articles
Information
Animal Genetic Resources/Resources génétiques animales/Recursos genéticos animales , Volume 3 , April 1984 , pp. 21 - 32
Copyright
Copyright © Food and Agriculture Organization of the United Nations 1984

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References

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