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首页> 外文期刊>Revista Brasileira de Zootecnia >Chemical and microbiological characteristics of sugar cane silages treated with microbial inoculants
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Chemical and microbiological characteristics of sugar cane silages treated with microbial inoculants

机译：微生物接种剂处理甘蔗青贮饲料的化学和微生物学特征

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摘要

The aim of this research was to evaluate the effect of microbial additives containing heterofermentative or homofermentative bacteria on the chemical and microbiological characteristics of sugar cane (Saccharum spp) silages. Sugar cane was inoculated with Lactobacillus plantarum, L. paracasei, L. brevis or L. buchneri previously isolated from sugar cane silages or commercial inoculants containing L. buchneri or L. plantarum. Silages were produced in laboratory silos (10 × 60 cm PVC tubes) and evaluated 90 days after ensiling. A randomized complete design was used with eight treatments (seven inoculants and control - without inoculant) and three replications. The inoculation with bacteria affected lactic acid bacteria, yeast populations, volatile fatty acids and ethanol contents in the silages. Inoculation with different strains of the same species of bacteria result in silages with different chemical and microbiological characteristics. Two of the L. buchneri strains show the best results in relation to silage quality.
机译：这项研究的目的是评估含有异性发酵或同性发酵细菌的微生物添加剂对甘蔗（Saccharum spp）青贮饲料化学和微生物特性的影响。用事先从甘蔗青贮饲料或含有布氏乳杆菌或植物乳杆菌的商业接种剂分离的植物乳杆菌，副干酪乳杆菌，短乳杆菌或布氏乳杆菌接种甘蔗。青贮饲料是在实验室筒仓（10×60 cm PVC管）中生产的，在灌装后90天进行评估。随机的完整设计用于八种治疗方法（七种接种剂和对照-无接种剂）和三份重复试验。用细菌接种会影响青贮饲料中的乳酸菌，酵母菌种群，挥发性脂肪酸和乙醇含量。接种相同种类细菌的不同菌株会导致青贮饲料具有不同的化学和微生物特性。布氏乳杆菌中的两个菌株显示出与青贮饲料品质相关的最佳结果。

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