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Effect of consumption of molasses/urea blocks on the growth of housed bullocks fedAd libitum withPennisetum purpureum

Effect de la consommation de blocs a lecher a base de melasse et d'uree sur la croissance de taurillons en stabulation et nourrisAd libitum avecPennisetum purpureum

Efecto consumo de bloques de melaza/urea sobre el crecimiento de bueyes alimentadosAd libitum conPennisetum purpureum

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Summary

Ten bullocks in individual pens were providedad libitum with cut chopped pasture grass (Pennisetum purpureum). One group of five animals had access to a molasses/urea block (experimental group) and the other group of five did not (control group). Daily dry matter intakes of 5·04 kg/animal (control group) and 4·83 kg/animal (experimental group) were not significantly different. However the experimental group gained weight at a significantly (P<0·05) faster rate (514 g/animal per day) than the control group (346 g/animal per day). Food conversion efficiency was significantly (P<0·01) better in the experimental group (11·6 kg feed per kg weight gained) than in the control group (16·4 kg feed per kg weight gained). Mean daily intake of the molasses urea blocks was 206 g per animal.

Résumé

Dix taurillons élevés à l'étable en boxes individuels ont reçuad libitum duPennisetum purpureum coupé sur pâturage et fragmenté. Seul un lot de 5 animaux (groupe expérimental) avait accès au bloc à lécher à base de mélasse et d'urée, le groupe témoin en étant écarté. Les consommations quotidiennes de matière sèche n'ont pas été significativement différentes à savoir 5,04 kg/tête pour le groupe témoin et 4,83 kg/tête pour le groupe expérimental. Cependant ce dernier

Resumen

Se alimentaron 10 bueyes estabulados en corrales individualesad libitum con pasto elefante picado. Cinco de ellos recibieron melaza y urea en forma de bloque, actuando los otros como controles. La ingestión de materia seca no fue significativamente diferente en ambos grupos (4·83 kg/animal vs 5·04 kg/animal, respectivamente). Sin embargo el grupo experimental ganó peso a una tasa más rápida (P<0·05), 514 g/animal día, que los controles 346 g/animal día. La eficiencia en la conversión de alimento fue significativamente mejor (P<0·01) en el grupo experimental (11·6 kg de alimento por kg de peso ganado), que en el grupo control (16·4 kg de alimento por kg de peso ganado). La media de ingestión de melaza/urea fue de 206 g por animal.

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Authors and Affiliations

  1. Department of Animal Nutrition, Faculty of Veterinary Medicine and Animal Production, University of Yucatan, Mexico

    A. Ayala & E. Tun

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  1. A. Ayala
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  2. E. Tun
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Ayala, A., Tun, E. Effect of consumption of molasses/urea blocks on the growth of housed bullocks fedAd libitum withPennisetum purpureum . Trop Anim Health Prod 23, 95–98 (1991). https://doi.org/10.1007/BF02361189

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  • DOI: https://doi.org/10.1007/BF02361189

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