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当前位置: 首页 > 文章 > 红象草绿汁发酵液微生物组成及其对菌糠发酵品质的影响 福建农业学报 2018 (6) 644-648
Position: Home > Articles > 红象草绿汁发酵液微生物组成及其对菌糠发酵品质的影响 Fujian Journal of Agricultural Sciences 2018 (6) 644-648

红象草绿汁发酵液微生物组成及其对菌糠发酵品质的影响

作  者：
陈鑫珠;李文杨;刘远;高承芳;张晓佩;翁伯琦
关键词：
菌糠;绿汁发酵液;红象草;发酵品质;发酵时间
摘  要：
为探索菌糠有效的保存方法,采用红象草绿汁发酵液为添加剂进行青贮,研究红象草绿汁发酵液微生物组成及其对菌糠青贮饲料发酵品质的影响,并确定菌糠的最佳青贮时间.试验设2%红象草绿汁发酵液组和对照组(等量蒸馏水).样品采用青贮袋抽真空密封贮存,放置室温,在发酵第1、3、7、15、30和60d开封,测定不同发酵时间菌糠青贮料的发酵品质.每个处理设5个重复.结果表明,红象草绿汁发酵液微生物含量丰富,分布于7个属,其中乳球菌属Lactococcus为优势菌属,占70%左右;优势乳酸菌种为明串珠菌Leuconostoe mesenteroides,占75%左右.添加红象草绿汁发酵液处理显著(P<0.05)提高了菌糠青贮饲料的发酵品质,最佳的开封时间是15d.在发酵30d后,不良发酵产物显著(P<0.05)升高,不利于菌糠饲料的继续保存.
作  者：
CHEN Xin-zhu;LI Wen-yang;LIU Yuan;GAO Cheng-fang;ZHANG Xiao-pei;WENG Bo-qi;Institute of Animal Husbandry and Veterinary Medicine,Fujian Academy of Agricultural Sciences;Agricultural Ecology Institute,Fujian Academy of Agricultural Sciences;
单  位：
CHEN Xin-zhu%LI Wen-yang%LIU Yuan%GAO Cheng-fang%ZHANG Xiao-pei%WENG Bo-qi%Institute of Animal Husbandry and Veterinary Medicine,Fujian Academy of Agricultural Sciences%Agricultural Ecology Institute,Fujian Academy of Agricultural Sciences
关键词：
fungus chaff;;fermented grass juice;;red elephant grass;;silage quality;;fermentation time
摘  要：
To improve the quality and shelf life of fungus chaff for silage,the microbiota and the effect of the addition of a fermented red elephant grass juice(FREGJ)were studied.Fungus chaff leftover from mushroom cultivation was incorporated with 2% FREGJ or distilled water(CK),vacuum packed in pouches with 5 replicates,and stored at room temperature for 1,3,7,15,30 and 60 days prior to testing.The 7 genera richly existed in the chaffFREGJ mixture were dominated by Lactococcus genera,accounting for about 70% of the total microbial count,of which 75% were Leuconostoe mesenteroides.Quality of the fungus chaff was significantly improved by the addition of FREGJ with 15 dof fermentation(P<0.05).However,after 30 d,undesirable microbes and harmful products significantly increased that could cause spoilage and shortened shelf life of the silage(P<0.05).

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