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논문 기본 정보

자료유형
학술저널
저자정보
조익환 (대구대학교) 황보순 (대구대학교) 안종호 (한경대학교) 김현진 (한경대학교) 이주삼 (연세대학교)
저널정보
한국초지조사료학회 한국초지조사료학회지 한국초지조사료학회지 제21권 제3호
발행연도
2001.1
수록면
137 - 144 (8page)

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The quality including in situ degradability in the rumen of Holstein of the orchardgrass silage added with apple pomace was investigated in this study. The amount of apple pomace added in different treatments were 0, 20, 40 and 60% respectively. With higher amount of addition of apple pomace to orchardgrass, ADF, NDF and crude ash contents decreased significantly (p<0.05). Crude protein contents in the silages (11.8- 12.9%) were similar to that of 100% orchardgrass silage. Moisture contents increased according to the higher proportion of apple pomace in the silages. On the contrary to moisture content, pH was lower in 40-60% addition of apple pomace (3.7-3.9) than that of 100% orchardgrass silage (4.7). However the contents of lactic acid (1.7-2.5%), acetic acid (1.3- 1.7%) and total organic acid (2.9-4.2%) significantly increased according to higher levels of addition of apple pomace compared to the respective values of 100% orchardgrass silage (1.1%, 0.6% 1.7%). In siru disappearance rates of dry matter and NDF in the rumen were significantly higher at the stages of incubation after 24h in 40-60% addition of apple pomace than in 100% orchardgrass silage. No statistical differences were observed with quickly degradable fraction (a) and slowly degradable fraction (b) in the disappearance rates of dry matter and NDF. However, fractional rate of disappearance (c) and effective degradability (ED, k=0.08) for dry matter and NDF were significantly higher in 20-60% addition of apple pomace as 0.0076-0.0079 and 0.0099-0.0130. and 39.3-41.7% and 18.4- 20.6% respectively than the respective values of 0.0054 and 0.0064, and 36.8 and 16.5% of 100% orchardgrass silage. (Key words : Orchardgrass silage. Apple pomace. Lactic acid, In Situ Degradability. Effective degradability)

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