Nutritional value of sorghum silages

  • Moura M
  • Pires D
  • Costa R
  • et al.
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Abstract

This study aimed to evaluate the nutritional characteristics and quality of silages of five sorghum genotypes, namely: Volumax, AG2005E, Qualimax, BRS610 and AG2501. The study was conducted at the Experimental Farm Unimontes, in the municipality of Janaúba, state of Minas Gerais. The treatments were distributed in a randomized block design with four replicates. Data were tested by analysis of variance andmeans were compared by Scott-Knott test at a significance level of 5%. The pH values ranged from 3.93 and 4.10. Genotypes differed in all studied nutritional characteristics (p < 0.05). For the acid detergent fiber, differences were detected between the genotypes, AG2501 (35.66%), Volumax (34.89%), AG2005E (34.53%), Qualimax (32.39%) and BRS610 (33.60%). The high participation of lignin was verifiedin all genotypes except for Volumax (4.14%). All silages were within the recommended range 50-65% for in vitro dry matter digestibility and classified as having good quality, however only the AG2005E genotype met nitrogen requirements for microbial fermentation, with 7.06% crude protein.

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Moura, M. M. A., Pires, D. A. de A., Costa, R. F., Tolentino, D. C., Rigueira, J. P. S., & Sales, E. C. J. de. (2017). Nutritional value of sorghum silages. Acta Scientiarum. Animal Sciences, 39(2), 137. https://doi.org/10.4025/actascianimsci.v39i2.32677

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