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Abstract
García-Rodríguez, A., Ramírez-Carrillo, J.T., Rocha-Chávez, G., Lezama-Gutiérrez, R. and Gutiérrez-Vázquez, E. 2002. Nutritional quality of sun-dried swine excreta for beef cattle. J. Appl. Anim. Res., 22: 105–112.
The effect of drying fresh swine excreta (FSE) previously mixed with ground corn (GCS) or sorghum straws (GSS) by sun exposure (10, 15, 20 cm deep bed; 10, 20, 30 and 40 h) on its nutritional quality and acceptance by beef cattle was studied in a 3x3x4 factorial arrangement. The reduction in protein content of the excreta mixed with ground straw was slightly lower as compared with excreta alone at 40 hours of sun exposure. In a second experiment, two groups of nine Bos indicus x Brown Swiss growing bulls (235–243 kg) were allotted randomly and fed with either fresh or dried swine excreta mixed with whole ground dried corn plant (WGDC). There were no significant differences on average daily gain or intake of feed. Results of this study suggest that the sun dried swine excreta previously mixed with whole, ground dried corn plant might be included in ruminant diets.