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Evaluation of Organic Sudangrass for Feed Value, Silage Quality and Palatability in Korea

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한국유기농업학회지 (Korea Journal of Organic Agriculture)
한국유기농업학회 (Korea Association Of Organic Agriculture)
초록

The main nutritional problem of sorghumxsudangrass hybrid (Sorghum bicolorxSorghum sudanese) silage is low quality and palatability. This experiment was conducted to evaluate whether organic com grain and crushed rice addition of sorghumxsudangrass hybrid silage increases forage quality of the silage. The sorghumxsudangrass hybrid silages with added com grain and crushed rice were similar to conventional corn silage in moisture content. However organic sorghumxsudangrass hybrid silage had low pH values. Silage added with gain and byproduct had higher crude ash, acid detergent fiber (ADF) and neutral detergent fiber (NDF) contents than control corn silages, while its non-fiber carbohydrate (NFC) and total digestible nutrients (TDN) showed the opposite results. Lactic acid, butyric acid and lactic percentage oftotal organic acid (UT) of sorghumxsudangrass hybrid silages were higher than those of com silage, but acetic acid was higher than control. In vitro dry matter digestibi/ity (IVDMD) of com silage was higher than other sorghum silages. Feed intake of sorghumxsudangrass hybrid silage added with crushed rice was highest among silages. Therefore, these data indicate that crushed rice and com grain added sorghumxsudangrass hybrid silage could be recommended as the most effective treatment for increasing silage quality and palatability.

저자
  • Jong Duk Kim(천안연암대학 축산계열 Division of Animal Husbandry, Cheonan Yonam College, Cheonan 330-709 Korea) | 김종덕
  • Keum Seob Shim(천안연암대학 축산계열 Division of Animal Husbandry, Cheonan Yonam College, Cheonan 330-709 Korea) | 심금섭
  • Jong Cheol Joo(천안연암대학 축산계열 Division of Animal Husbandry, Cheonan Yonam College, Cheonan 330-709 Korea) | 주종철
  • Hyun Jiun Lee(천안연암대학 축산계열 Division of Animal Husbandry, Cheonan Yonam College, Cheonan 330-709 Korea) | 이현진
  • Gyeong Hyeop Jeon(천안연암대학 축산계열 Division of Animal Husbandry, Cheonan Yonam College, Cheonan 330-709 Korea) | 전경협
  • Young You Youn(천안연암대학 축산계열 Division of Animal Husbandry, Cheonan Yonam College, Cheonan 330-709 Korea) | 윤영유
  • Eung Yong Oh(천안연암대학 축산계열 Division of Animal Husbandry, Cheonan Yonam College, Cheonan 330-709 Korea) | 오응용
  • Hyo Won Lee(한국방송통신대학교 농학과 Dept. of Agricultural Science, Korea National Open University, Jongro-ku, Seoul 110-791 Korea) | 이효원