Abstract ▼

1-1. Harvest time and making method
The results showed that plant height was maintained at a similar level from milk rips stage to full rips stage in case of productivity. The fresh yield was decreased with late harvest however dry yield and TDN yield were increased. Crude protein, NDF and ADF co

1-1. Harvest time and making method
The results showed that plant height was maintained at a similar level from milk rips stage to full rips stage in case of productivity. The fresh yield was decreased with late harvest however dry yield and TDN yield were increased. Crude protein, NDF and ADF content were decreased with late harvest in case of feed value but TDN was increased. In the silage, the results were similar and these patterns showed the same before and after the silage making. Thus, there was no significantly difference in bale and chopper. The pH was increased with late harvest and lactic acid was also decreased regardless of silage making method. In the silage making method, Lactic acid content increased approximately 23% from the chopper than bale.
1-2. Cutting length
As the results of cutting length showed longer, crude protein and NFE content were higher, and crude fiber extract and crude ash content were lower. The total nutrition compositions were no significantly difference according to varieties and harvesting methods. As the cutting length is longer, NDF and NFE were higher and crude fiber extract ether and crude ash were lower. The TDN content was no difference according to varieties and harvesting methods. The pH of silage was lowest in the custom treatment. The cutting length is longer and pH was higher. The lactic acid was highest in the custom treatment and this is increased with grain ratio higher. In the making method, lactic acid content was higher than the bale in the chopper treatment.
2. Development of haylage
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. 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, 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.

목차 Contents

• 표 지 ... 1
• 제 출 문 ... 2
• 요 약 문 ... 3
• S U M M A R Y ... 6
• 목 차 ... 8
• 제1장 서 론 ... 9
• 제1절 청보리 수확시기 및 수확방법별 사일리지 품질특성 구명 ... 9
• 제2절 사료맥류 헤일리지 생산기술 개발 ... 9
• 제2장 국내외 기술개발 현황 ... 11
• 제1절 국내 연구현황 ... 11
• 제2절 국외 연구현황 ... 11
• 제3절 국내외 연구현황 비교 및 필요 연구분야 ... 11
• 제3장 연구개발수행 내용 및 결과 ... 12
• 제1절 청보리 수확시기 및 수확방법별 사일리지 품질특성 구명 ... 12
• 제2절 사료맥류 헤일리지 생산기술 개발 ... 19
• 제4장 연구개발목표 달성도 및 대외기여도 ... 27
• 제1절 목표대비 달성도 ... 27
• 제2절 정량적 성과 ... 27
• 제5장 연구개발결과의 활용계획 ... 29
• 제6장 연구개발과정에서 수집한 해외과학기술정보 ... 30
• 제7장 기타 중요 변동사항 ... 31
• 제8장 국가과학기술종합정보시스템에 등록한 연구장비 현황 ... 32
• 제9장 참고문헌 ... 33