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Agricultura Técnica
Instituto de Investigaciones Agropecuarias, INIA
ISSN: 0365-2807
EISSN: 0365-2807
Vol. 67, No. 1, 2007, pp. 94-99
Bioline Code: at07012
Full paper language: Spanish
Document type: Research Article
Document available free of charge

Agricultura Técnica, Vol. 67, No. 1, 2007, pp. 94-99

 en Broiler litter and whole or milled barley grain in winter steer fattening rations.
Claudio, Rojas G. & Moisés, Manríquez B.

Abstract

The objective of this study was to evaluate the animal response to feeding with fattening rations which included ryegrass-white clover ( Lolium perenne L. check for this species in other resources - Trifolium repens L. check for this species in other resources ) pasture silage, broiler litter, and milled or whole barley ( Hordeum vulgare L check for this species in other resources ) grain.. Treatments were 1) pasture silage based ration with broiler litter and milled barley supplemented at the time of winter feeding; 2) pasture silage based ration with broiler litter incorporated to the silo at the date of conservation and milled barley supplemented at feeding time; 3) pasture silage based ration with broiler litter and milled barley incorporated into the silo at the date of conservation; and 4) pasture silage based ration with broiler litter and whole barley grain incorporated to the silo at ensiling. Daily LW gains (LWG) were 1.086, 1.099, 1.074 and 1.111 kg animal-1 (P > 0.05); feed consumption were 8.7, 8.7, 8.4 and 8.4 kg DM animal-1 and feed conversion of 8, 7.9, 7.9 and 7.5 kg DM feed kg-1LW gain, for the treatments 1, 2, 3 y 4, respectively. It was concluded that incorporating broiler litter alone or with barley grain in the silage at the ensiling moment did not affect daily LWG and feed consumption of steers and that incorporating whole or milled barley grain to the silage at the date of conservation produced similar animal response.

Keywords
whole barley grain, Hordeum vulgare, steers, pasture silage.

 
 es Cama de broiler y grano de cebada entero o molido en raciones de engorda invernal de novillos
Claudio, Rojas G. & Moisés, Manríquez B.

Resumen

El estudio tuvo el objetivo de evaluar la respuesta animal al consumo de raciones de engorda formuladas con cama de broiler y grano de cebada ( Hordeum vulgare L check for this species in other resources ) entero o molido incorporado al ensilaje de praderas de ballica–trébol blanco ( Lolium perenne L. check for this species in other resources - Trifolium repens L. check for this species in other resources ) al momento de su elaboración. Los tratamientos fueron: 1) ensilaje, cama de broiler y grano de cebada molido, mezclados al momento de la alimentación invernal; 2) ensilaje adicionado con cama de broiler al momento de ensilar y grano de cebada molido adicionado al momento de la alimentación invernal; 3) ensilaje adicionado con cama de broiler y grano de cebada molido al momento de ensilar; y 4) ensilaje adicionado con cama de broiler y grano de cebada entero al momento de ensilar. Los incrementos diarios de PV fueron de 1,086; 1,099; 1,074 y 1,111 kg animal-1 (P > 0,05); el consumo de alimentos de 8,7; 8,7; 8,4 y 8,4 kg MS animal-1 y las eficiencias de conversión de alimentos de 8; 7,9; 7,9 y 7,5 kg MS alimento consumido kg-1 incremento PV para los tratamientos 1, 2, 3 y 4, respectivamente. Se concluye que la incorporación de cama de broiler sola o con grano de cebada al ensilaje de praderas, al momento de su confección, no afecta el consumo ni los incrementos de PV de los novillos y la incorporación de grano de cebada entero o molido al momento de realizar el ensilaje, produce respuestas similares en los novillos.

Palabras-clave
grano de cebada entero, Hordeum vulgare,novillos, ensilaje de pradera.

 
© Copyright 2007 - Instituto de Investigaciones Agropecuarias, INIA (Chile).
Alternative site location: http://www.inia.cl/at/agritec.htm

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