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Effects of Euglena (Euglena gracilis) supplemented to diet (forage: concentrate ratios of 60:40) on the basic ruminal fermentation and methane emissions in in vitro condition OAK
Aemiro, Ashagrie; Watanabe, Shota; Suzuki, Kengo; Hanada, Masaaki; Umetsu, Kazutaka.
An in vitro study was conducted to investigate the effect of different concentrations of Euglena (Euglena gracilis) on CH4 production, dry matter (DM) digestibility, volatile fatty acid (VFA) and ammonia N(NH3-N) concentration as well as on the protozoa population. The treatments considered were Euglena at concentrations of 0.0, 50, 100, 200, 400 and 1000 g/kg dry matter (DM) of the substrate (60:40 forage: concentrate ratio) incubated for 24 and 96 h using an in vitro continuous gas production and in vitro two-stage digestion procedure, respectively. The data were subjected to polynomial regression analysis. Methane emissions (ml/g DM) decreased at an increasing rate, generally with increasing concentration of Euglena but also exhibited quadratic (P<...
Palavras-chave: Methane emission; Euglena; Protozoa; Volatile fatty acid; Digestibility; Ammonia.
Ano: 2016 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/4458
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Position and rate of intestinal fermentation in adult ostrich evaluated by volatile fatty acid OAK
Hongo, Akio; Ishii, Yukiko; Suzuta, Hidetaka; Enkhee, Devee; Toukura, Yuji; Hanada, Masaaki; Hidaka, Satoshi; Miyoshi, Syunzou; 本江, 昭夫; 石井, 友紀子; 鈴田, 英隆; エンヒェー, デヴィ; 藤倉, 雄司; 花田, 正明; 日高, 智; 三好, 俊三.
The study was conducted in Obihiro, Japan to examine the position and rate of intestinal fermentation in three adult ostriches (Struthio camelus) with mean liveweight of 103±4.7 kg. The ostriches were fed fresh leaves of orchardgrass (Dactylis glomerata). At twenty five hours before the slaughter, they ingested 100 g fresh leaves mixed with 20 g oblong strips (2mm wide and 30 mm long) of a filter paper, in which chromium oxide was absorbed at a rate of 40 %. After the slaughter, small intestine, cecum and large intestine were cut into 3, 2 and 7 pieces, respectively, with the same length in each organ. Crude ash content in digesta samples was the highest in muscular stomach (90.1±1.17 %), compared with 27-51 % in other organs of glandular stomach, small...
Palavras-chave: Adult ostrich; Chromium; Colon; Fermentation; Volatile fatty acid; ダチョウ成鳥; クロム; 結腸; 醗酵; 揮発性脂肪酸.
Ano: 2006 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/92
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