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

The Korean Society of Grassland and Forage Science (한국초지조사료학회)
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Evaluation of Feed Value and Fermentation Quality of New Wheat Cultivar, 'Taejoong'

밀 신품종 '태중'의 사료가치 및 발효품질 평가

  • Received : 2017.01.02
  • Accepted : 2017.03.22
  • Published : 2017.03.30
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Abstract

This experiment was conducted to obtain information of feed value and fermentative quality of wheat cultivar, 'Taejoong' to confirm availability as a whole crop silage. As a result, the heading date of 'Teajoong' is April 27, and plant height is longer than whole crop barley, 'Youngyang' or whole crop wheat, 'Cheongwoo', spike length are also large, fresh and dry matter yield are also high. In case of feed value, 'Taejoong' had higher crude protein content than whole crop barley, 'Youngyang' or whole crop wheat, 'Cheongwoo', lower NDF and ADF contents, and significantly higher digestible nutrient contents(p<0.05). In case of fermentation qulity, pH of 'Taejoong' was 4.2, and lactic acid content was lower than 'Cheongwoo' silage and significantly higher than 'Youngyang' silage(p<0.05). Acetic acid content was significantly lower than 'Youngyang' and 'Cheongwoo' silage(p<0.01), butyric acid content was significantly lower than that of 'Youngyang' silage (p<0.05). The final Flieg's score showed that 'Taejoong' silage was the best. Also income of 'Taejoong' improved than 'Youngyang' or 'Cheongwoo'. Therefore, 'Taejoong' is considered sufficiently available as whole crop for forage.

본 연구는 '태중'밀의 조사료로서의 이용성을 확인하기 위하여 사료가치와 사일리지 품질특성을 구명하고자 실시하였다. 태중밀의 출수기는 4월 27일이고, 영양보리나 청우밀보다 초장이 길고 장수형으로 이삭도 큰 편이며, 생초수량과 건물수량도 높다. 사료가치 면에서는 태중밀이 영양보리나 청우밀보다 조단백질 함량은 높았고, NDF와 ADF함량은 낮았으며, 가소화영양소함량은 유의적으로 높았다(P<0.05). 발효품질 면에서는 태중밀의 pH는 4.2이었고, 유산함량은 청우밀 사일리지보다 낮고 영양보리 사일리지보다는 유의적으로 높았다(P<0.05). 초산함량은 영양보리나 청우밀 사일리지보다 유의적으로 낮은 값을 보였고(p<0.01), 낙산함량은 영양보리 사일리지 대비 유의적으로 낮은 값을 보였다(p<0.05). 최종 Flieg's score는 태중밀 사일리지가 1등급으로 가장 좋은 것으로 나타났다. 경제성 분석에서도 영양보리와 청우밀 대비 소득이 향상되는 것으로 나타나, 태중밀은 담근먹이용 조사료로 충분히 이용 가능한 것으로 판단된다.

Keywords

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