한국작물학회지 (KOREAN JOURNAL OF CROP SCIENCE)

  • 제60권2호
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  • Pages.174-179
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  • 2015
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  • 0252-9777(pISSN)
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  • 2287-8432(eISSN)
한국작물학회 (The Korean Society of Crop Science)
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수확시기에 따른 맥류 곡실발효사료의 사료가치 및 발효품질

Effect of Feed Value and Fermentative Quality According to Harvesting Time of Barley and Wheat Grain Silage

  • 투고 : 2014.12.26
  • 심사 : 2015.06.04
  • 발행 : 2015.06.30
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초록

이 연구는 맥류 곡실발효사료 조제를 위한 적정 수확시기 및 수확시기별 곡실 발효사료의 발효품질을 평가하기 위하여 실시하였다. 그 결과, 알곡의 수분함량은 수확시기가 늦어짐에 따라 감소하는 경향을 보였고, 이삭비율과 천립중은 맥종별 모두 출수 후 일수가 경과됨에 따라 높아지는 경향을 보였다. 알곡수량은 맥종 모두 수확시기가 늦어질수록 유의적으로 증가하는 경향을 보였다(p<0.05). 조단백질 함량은 수확시기가 늦어질수록 맥종 모두 높아지는 경향을 보였고, 조섬유함량은 낮아지는 경향을 보였으며, 조지방과 조회분 함량은 비슷하거나 약간 낮아지는 경향을 보였지만 통계적인 유의성은 없었다. 곡실사료의 발효 전후 사료가치를 비교하여 보면, 일반성분들이 발효를 거친 후 약간 증가되는 경향은 있었지만 유의적인 차이는 나타나지 않았다. 발효품질 면에서는 공시한 맥종 모두 수확시기가 늦어질수록 pH는 높아지고, 젖산함량은 유의적으로 낮아지는 경향을 보였다(p<0.05). 초산함량은 맥종 모두 수확시기에 따른 차이를 나타내지 않았고, 낙산은 검출되지 않았다. 따라서 수량과 발효품질을 고려할 때, 맥류 곡실사료 조제를 위해서는 겉보리과 쌀보리는 출수 후 35일, 밀은 출수 후 40~45일에 수확하는 것이 적당한 것으로 판단된다.

This experiment was conducted to determine the optimal harvesting time for barley and wheat grain for the production of fermented grain feeds, and to investigate their fermentation quality according to harvesting time. As a result, grain moisture content was decreased with late harvest, whereas spike weight ratio and 1000 grain weight were increased with prolonged period after heading. Grain yielding was increased with late harvesting time significantly at p<0.05. Crude protein content was increased with late harvesting time, but crude fiber content was decreased. Crude fat and ash content were slightly decreased, but not statistically significant. Comparing the effects of fermentation on feed value of winter cereal grain, the approximate compositions were slightly increased after fermentation, but the difference was not significant. Fermentations resulted in increasing the pH value of winter cereal grain silage with late harvesting time, but decreasing the lactic acid content (p<0.05). No significant difference was found in acetic acid, and butyric acid was not detected. Considering the quantity and quality of fermentation, barley and wheat can be used for winter cereal grain silage when they were harvested at 35 days and 40-45 days after heading, respectively.

키워드

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  1. Effects of Seeding and Organic Fertilizer Rates and Harvest time on Kenaf Yield and Feed Value vol.38, pp.2, 2018, https://doi.org/10.5333/KGFS.2018.38.2.91
  2. Feed Value and Fermentation Quality of Wheat Grain Silage with Respect to Days after Heading in Honam Region of Korea vol.38, pp.2, 2018, https://doi.org/10.5333/KGFS.2018.38.2.112
  3. Changes in Feed Value, Forage Productivity, and Grazing Intensity at Native Pasture Grazed by Growing Korean Native Female Goat(Capra hircus coreanae) vol.38, pp.2, 2018, https://doi.org/10.5333/KGFS.2018.38.2.120
  4. 총체맥류 분쇄 사일리지 조제를 위한 적정 수확시기 vol.37, pp.4, 2017, https://doi.org/10.5333/kgfs.2017.37.4.264
  5. 호남지역 수확시기에 따른 겉보리 곡실발효사료의 사료가치 및 발효품질 vol.62, pp.1, 2015, https://doi.org/10.7740/kjcs.2016.62.1.016
  6. 유박비료 시비가 수수류의 생육특성 및 건물수량에 미치는 영향 vol.25, pp.4, 2015, https://doi.org/10.17137/korrae.2017.25.4.23