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Changes in Forage Quality of Plant Parts with Harvesting Time in Five Winter Cereal Crops  

Kwon, Young-Up (The National Institute of Crop Science, RDA)
Baek, Seong-Bum (The National Institute of Crop Science, RDA)
Heo, Hwa-Young (The National Institute of Crop Science, RDA)
Park, Hyoung-Ho (The National Institute of Crop Science, RDA)
Kim, Jung-Gon (The Honam Agricultural Research Institute, NICS, RDA)
Lee, Jae-Eun (The National Institute of Crop Science, RDA)
Lee, Chung-Keun (The National Institute of Crop Science, RDA)
Shin, Jin-Chul (The National Institute of Crop Science, RDA)
Publication Information
KOREAN JOURNAL OF CROP SCIENCE / v.53, no.2, 2008 , pp. 144-149 More about this Journal
Abstract
This study aims to understand the growth and changes of nutritional composition in five winter forage crops including barley, wheat, oat, rye and triticale. In Korea, the winter-season cultivation of the crops could enhance land use efficiency and improve the global competitiveness of domestic livestock industry by providing high quality forage. Total content of crude protein in plants decreased after heading. Leaves and spikes had high crude protein while stem showed the lowest with less than 7%. Contents of Acid Detergent Fiber (ADF) in plants decreased with time after heading. Stem showed much greater content of ADF than leaves and spikes. There was linear relationship between ADF contents and ratios of stem weight and total weight. Contents of Neutral Detergent Fiber (NDF) also decreased with time after heading. Stem contained much higher NDF than leaves and spikes. There was a linear relationship between NDF contents and ratios of stem weight and total weight. Relative Feed Value (RFV) increased with maturing of spikes after heading in barley, wheat, oat and triticale. There was a negative relationship between Relative feed value and ratios of stem weight and total weight.
Keywords
ADF; barley; NDF; nutrition quality; oat; protein; RFV; rye; triticale; wheat;
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