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纤维素分解菌

本文主要阐述了微生物发酵秸秆饲料的研究意义及机理、微生物菌种的选择、微生物发酵秸秆饲料饲喂动物的情况、以及微生物发酵农作物饲料的应用前景与展望。

This article mainly elaborates on the significance of and the mechanism for the research into the microorganism fermentation of crop stalks feedstuff, the choice of microorganism strains, the situation with the feeding of animals with microorganism-fermented crop stalks feedstuff, and the prospect for application of microorganism fermented crop feedstuff.

利用纤维素分解菌RC-2、淀粉分解菌C-24、生香菌R-3、氮素转化菌YG、产酸菌XJ按3:4:2:2:4的比例组合制备组合菌株,以稻草为原料,组合菌株按20%与稻草混合,在含水量60%,恒定温度30℃下发酵10d,测定发酵产物的营养成分;发酵稻草按3-3.5%的比例加入,配制配合饲料,饲喂试验肉鸭。试验表明,发酵后产物中蛋白含量提高了9%,粗纤维含量降低了11%。通过肉鸭的饲养试验证明,试验鸭和对照鸭在料肉比基本一致的情况下节约了饲料成本。

Five strains of cellulose-decomposing bacterium RC-2starch-decomposing bacterium C-24aroma-forming bacterium R-3nitrogen-transforming bacterium YG and acid-inducing bacterium XJ were mixed in the proportion of 3:4:2:2:4 to make the bacterial strains complexRice straw was used as raw material and was mixed with the bacterial strains mixture, with bacterial strains mixture accounting for 20 percent of the total weight. The resulting mixture was then fermented for 10 days under conditions of 60% water content and 30℃ constant temperature, and the nutrient content of the fermented product was determined. The fermented rice straw was added in the proportion of 3-3.5% to prepare mixed feed for feeding experimental meat ducks.  The test indicated that in the fermented product protein content increased by 9 percentand crude fiber decreased by 11 percentThe breeding test of meat duck showed that, compared with the control group, the experiment group was more cost effective under the condition of similar feed-meat ratios

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