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Feed Value and Fermentative Quality of Haylage of Winter Cereal Crops for Forage at Different Growing Stages

사료맥류의 생육단계별 헤일리지 사료가치 및 발효품질

  • Received : 2012.10.16
  • Accepted : 2012.11.04
  • Published : 2012.12.31

Abstract

This study was carried out to analyze winter cereal crops for harvest time, proper drying time and haylage quality in order to investigate the possibility of the production of good quality haylage substitute for hay. As a result, in case of productivity and feed value, dry matter yield and TDN yield was increased with late harvest and crude protein and NDF, ADF was decreased (p<0.05). To make haylage for whole crop barley, oats, triticale, whole crop wheat need more than 32 hour wilting time in the milk ripe stage, yellow ripe stage need about 8~24 hour, and wilting time did not need the full ripe stage. Rye does not suitable for making haylage because of difficulty pre-wilting time. In case of fermentative quality on haylage, pH was increased with late harvest on all winter cereal crop forage. Lactic acid content was decreased with late harvest (p<0.05), and highest in the milk ripe stage. Acetic acid was also decreased with late harvest, and butyric acid was not detected. In conclusion, to harvest sooner of winter cereal crops could be an efficient way when making haylage in terms of protein content and fermentation quality. Ray can used as fresh and silage, because difficulty for pre-wilting time in Korea. Whole crop barley, oats, triticale, wheat can be used haylage when harvested yellow ripen stage and pre-wilting time for 8~24 hours.

Acknowledgement

Grant : 청보리 소비확대를 위한 용도다양화 및 고급화 연구

Supported by : 농촌진흥청

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