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首页> 外文会议>General Meeting of the European Grassland Federation >Dry matter losses and hygienic quality of grass silage inoculated with different lactic acid bacteria strains
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Dry matter losses and hygienic quality of grass silage inoculated with different lactic acid bacteria strains

机译：用不同的乳酸菌菌株接种的干物质损失和草青贮疗法的卫生品质

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The current study focuses on the effects of five inoculants containing various combinations of novel lactic acid bacteria strains on fermentation end products, microbial composition and aerobic stability of grass silage. All inoculants were applied atan application rate of 150,000 cfu g'1 forage. After ensiling period of 90 d, silage was sampled and analysed for dry matter (DM), lactic acid and volatile fatty acids (VFA), ethanol, ammonia-N, number of Clostridia spores, yeasts and moulds. The DM andDM losses were corrected for volatiles. Aerobic stability of the silages was measured as number of days reaching a temperature of 3 °C above ambient temperature. Data were analysed as a randomized complete block design by using Proc GLM of SAS with treatment as a fixed factor. Five replications per treatment were used. Selected lactic acid bacteria inoculants improved fermentation characteristics, aerobic stability and hygienic quality of grass silage compared to spontaneous fermented silage. Single heterofermentative strain of Lactobacillus buchneri or blends of hetero-and homofermentative lactic acid bacteria were more effective in improving aerobic stability.
机译：目前的研究侧重于五种含有新型乳酸菌菌株组合的五种抗菌剂在发酵终产物，微生物组合物和草青贮饲料的有氧稳定性的影响。所有植入剂均采用atan申请率为150,000 cfu g'1牧草。在90℃的诱导时间后，对干物质（DM），乳酸和挥发性脂肪酸（VFA），乙醇，氨-N，蛋白孢子率，酵母和模具的数量进行取样并分析。对挥发物进行校正DM AndDM损失。单位的有氧稳定性被测量，达到高于环境温度的3℃的天数。通过使用SAS的SAS作为固定因子进行分析为随机完整块设计。使用每次治疗的五种复制。与自发发酵青贮饲料相比，所选乳酸菌接种物改善了发酵特性，有氧稳定性和草青贮饲料的卫生品质。单乳杆菌乳杆菌的单一异质致密株或杂种和常型乳酸菌的共混物在提高有氧稳定性方面更有效。

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