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首页> 美国卫生研究院文献>Asian-Australasian Journal of Animal Sciences >Fermentation Characteristics and Lactic Acid Bacteria Succession of Total Mixed Ration Silages Formulated with Peach Pomace
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Fermentation Characteristics and Lactic Acid Bacteria Succession of Total Mixed Ration Silages Formulated with Peach Pomace

机译：桃渣配制的混合日粮青贮饲料的发酵特性和乳酸菌演替

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The objective of this study was to assess the use of peach pomace in total mixed ration (TMR) silages and clarify the differences in aerobic stability between TMR and TMR silages caused by lactic acid bacteria (LAB). The TMR were prepared using peach pomace, alfalfa hay or Leymus chinensis hay, maize meal, soybean meal, cotton meal, limestone, a vitamin-mineral supplement, and salt in a ratio of 6.0:34.0:44.4:7.0:5.0:2.5:1.0:0.1 on a dry matter (DM) basis. Fermentation quality, microbial composition, and the predominant LAB were examined during ensiling and aerobic deterioration. The results indicated that the TMR silages with peach pomace were well fermented, with low pH and high lactic acid concentrations. The aerobic stability of TMR silages were significantly higher than that of TMR. Compared with TMR silages with alfalfa hay, TMR silage with Leymus chinensis hay was much more prone to deterioration. Although the dominant LAB were not identical in TMR, the same dominant species, Lactobacillus buchneri and Pediococcus acidilactici, were found in both types of TMR silages after 56 d of ensiling, and they may play an important role in the aerobic stability of TMR silages.
机译：这项研究的目的是评估桃渣在总混合日粮（TMR）青贮饲料中的使用，并阐明乳酸菌（LAB）引起的TMR和TMR青贮饲料之间有氧稳定性的差异。使用桃果渣，苜蓿干草或羊草干草，玉米粉，大豆粉，棉粉，石灰石，维生素-矿物质补充剂和盐以6.0：34.0：44.4：7.0：5.0：2.5：以干物质（DM）为基础的1.0：0.1。在青贮和有氧降解期间检查发酵质量，微生物组成和主要的乳酸菌。结果表明，桃渣的TMR青贮饲料发酵良好，pH低，乳酸浓度高。 TMR青贮饲料的好氧稳定性显着高于TMR。与苜蓿干草的TMR青贮饲料相比，羊草干草的TMR青贮饲料更容易退化。尽管TMR中的优势LAB不相同，但在56 d的青贮后，两种类型的TMR青贮中都发现了相同的优势种，即布氏乳杆菌和乳酸乳酸杆菌，它们可能在TMR青贮的好氧稳定性中起重要作用。

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