Journal of The Korean Society of Grassland and Forage Science (한국초지조사료학회지)

The Korean Society of Grassland and Forage Science (한국초지조사료학회)
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Effects of Storage Type and Period on the Quality of Rye Hay

저장방법 및 저장기간이 호밀 건초의 품질에 미치는 영향

  • Mirae Oh (National Institute of Animal Science, RDA) ;
  • Hyung Soo Park (National Institute of Animal Science, RDA) ;
  • Jae Hoon Woo (National Institute of Animal Science, RDA) ;
  • Eun-A Lim (National Institute of Animal Science, RDA) ;
  • Bae Hun Lee (National Institute of Animal Science, RDA)
  • Received : 2023.03.23
  • Accepted : 2023.03.29
  • Published : 2023.03.31
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Abstract

The objective of the present study was to evaluate the effect of storage type and period on the quality of rye hay. The rye "Gogu" was sown on October 15, 2020, and harvested on April 22, 2021 (heading stage). The rye hay was prepared in two wrapping conditions (wrapping and unwrapping) and two storage period (3 and 6 months). In regards to their visual appearance, the forage quality score was higher in wrapped rye hay than in unwrapped rye hay. In all groups, there was no difference in appearance between inside and outside. The moisture content of wrapped rye hay was maintained at the initial level until 6 months. However, the moisture content of unwrapped rye hay was increased at 3 months of storage, and then decreased at 6 months of storage. Crude protein content was higher in wrapped rye hay than in unwrapped rye hay, whereas NDF and ADF contents were lower within wrapped rye hay than within unwrapped rye hay (p<0.05). In conclusion, wrapping rye is effective method for long-term storage that reduces the effect of external environment.

본 연구는 호밀 건초 저장 시 랩핑의 유무와 저장 기간에 따른 외관과 사료가치를 평가하여 품질변화를 확인하였다. 호밀은 '곡우' 품종을 사용하였으며 2020년 10월 15일에 파종하고 이듬해 4월 22일 출수기에 수확하여 건초로 조제하였다. 호밀 건초의 랩핑 유무에 따라 시험구를 구성하였고, 저장기간은 3개월과 6개월이었다. 외관평가 결과는 호밀 건초 저장 3개월 및 6개월 차 모두 랩핑처리가 비랩핑처리에 비해 더 높은 점수를 기록하였다. 모든 처리구에서 외부와 내부 간 샘플의 외관평가 차이는 없었다. 호밀 건초의 수분함량은 랩핑처리 시 3개월과 6개월 저장기간 모두 조제 시 수분함량과 비슷하게 유지되었다. 그러나 비랩핑처리의 경우 저장 3개월 차에 수분함량이 증가하는 경향을 나타냈다가 6개월 차에 감소하였다. 호밀 건초를 장기 보관 할 경우 랩핑처리가 비랩핑처리에 비해 CP 함량은 높고, NDF 및 ADF 함량은 낮게 나타났다. 이상의 결과를 종합해보면 호밀 건초를 장기 보관할 때 장마철 높은 습기와 같은 외부환경에 대한 영향을 줄이기 위하여 랩핑처리하여 보관하는 것이 좋을 것으로 사료되며 추후 6개월 이상의 장기 저장 시 품질변화에 대한 추가적인 연구가 진행되어야 할 것으로 생각된다.

Keywords

Acknowledgement

본 연구는 농촌진흥청 연구사업(과제명: 국내산 풀사료 품질향상 및 평가 기술 개발, 과제번호: PJ014224)의 지원에 의해 연구되었다.

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