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http://dx.doi.org/10.5333/KGFS.2012.32.1.1

Utilization Survey and Forage Quality of Phragmites communis and Native Grasses in Haenam, Pyeongchang and Wonju Regions, 2010  

Seo, Sung (National Institute of Animal Science, RDA)
Han, Dae-Duk (Haenam Ranch)
Jang, Sun-Sik (National Institute of Animal Science, RDA)
Kim, Won-Ho (National Institute of Animal Science, RDA)
Jung, Min-Woong (National Institute of Animal Science, RDA)
Choi, Jin-Hyuck (National Institute of Animal Science, RDA)
Kim, Jin-Sook (National Institute of Animal Science, RDA)
Kim, Ha-Young (National Institute of Animal Science, RDA)
Lee, Joung-Kyong (The Foundation of AG, Tech. Commercialization and Transfer)
Publication Information
Journal of The Korean Society of Grassland and Forage Science / v.32, no.1, 2012 , pp. 1-8 More about this Journal
Abstract
This study was carried out in 2010 to investigate the utilization and forage quality of native grasses, such as $Phragmites$ $communis$ which might reduce the cost of feeding domestic cattle. The regions surveyed were the Haenam ranch in Haenam, Pyeongchang, Wonju, and Yeonggwang. In Haenam, yearly silage production harvested from 300 ha was 2,000 MT (7 MT/ha). All of those round bale silages were self-consumed in that region, and marketing price was 50,000~55,000 won per roll (110 won/kg). $Phragmites$ $communis$ of 150 cm in length contained 8.4% crude protein (CP) with relative feed value (RFV) 71.9 and 60.1% in vitro dry matter digestibility (IVDMD), which was somewhat more favorable than forage quality of rice straw. The silage quality of $Phragmites$ $communis$ varied greatly by the time of harvest (CP 4.7~6.4%, RFV 62.2~78.9, and IVDMD 41.9~53.9%), even with the same district and of the same original forage materials. Generally, the quality of $Phragmites$ $communis$ silage of was poorer than that of sorghum ${\times}$ sudangrass hybrid. In Pyeongchang, forage quality of $Phragmites$ $communis$ was decreased from 13.9% to 7.6% in CP, 90.7 to 76.1 in RFV, and 72.9% to 54.7% in IVDMD, as plant was getting mature, from 79 cm to 117 cm, 121 cm or to 142 cm in length. In Wonju, the quality values of $Phragmites$ $communis$ of 130 cm in length were 8.5% CP, 82.3 RFV and 70.2% IVDMD, while those of matured grasses of 220 cm in length were lower (10.2% CP, 65.1 RFV and 48.9% IVDMD), but this was a little more favorable than quality of rice straw. In Yeonggwang, feeding $Phragmites$ $communis$ was tried in a Hanwoo feed, but stopped due to low profitability. In conclusion, the overall quality of most native grasses including $Phragmites$ $communis$ in this survey was poor. Therefore, we recommend that $Phragmites$ $communis$ and native grasses should be harvested on June or July to obtain richer forage quality in forage values than rice straw.
Keywords
Reed; Wild grasses; Forage production; Harvest stage; Silage; Profit;
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