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http://dx.doi.org/10.5333/KGFS.2014.34.4.240

Effects of BMR Variety and Corn Grain (Grounded) Supplement on Silage Quality of Sorghum × Sudan Hybrids  

Kwon, Chan Ho (Department of Horse / Companion and Wild Animal Science, Kyungpook National University)
Kim, Eun Joong (Department of Animal Science, Kyungpook National University)
Cho, Sangbuem (Animal Resources Research Center, Konkuk University)
Publication Information
Journal of The Korean Society of Grassland and Forage Science / v.34, no.4, 2014 , pp. 240-246 More about this Journal
Abstract
The present study was conducted to evaluate the productivity of $Sorghum{\times}sudangrass$ (SX17) hybrid and BMR (brown mid rib) $Sorghum{\times}sudangrass$ hybrid and silage quality of these forages with corn grain supplementation. The effect of corn grain supplementation on the quality of silages was also investigated. No remarkable differences at growth characteristics and productivities in two hybrids were found. Sugar content, however, in stem of BMR hybrid showed significantly great (p<0.05) and the difference between two hybrids was about $2B^{\circ}$. Ratio of lactic acid in total organic acid in BMR hybrid (82.8%) was significantly greater than the control (SX17 hybrid) (78.5%) (p<0.05). Ratio of butyric acid in total organic acid in SX17 hybrid (18.5%) was significantly greater than BMR hybrid (9.8%) (p<0.05). According to the result of organic acid ratio, it could be assumed that the use of BMR hybrid can improve silage quality. NDF and ADF contents in both SX17 and BMR hybrids were significantly declined with increased corn grain supplementation (p<0.05). Different TDN values in SX17 (56.2) and BMR (57.1) hybrids were detected. However, TDN values of both SX17 and BMR hybrid silages were significantly elevated by increasing the proportion of ground corn (p<0.05).
Keywords
$Sorghum{\times}sudangrass$ hybrids; BMR; Corn; Productivity; Silage quality;
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