Ozonation-pelleting of nitrogen-enriched wheat straw: Towards improved pellet properties, enhanced digestibility, and reduced methane emissions

文献类型： 外文期刊

第一作者： Ghorbani, Marzieh

作者： Ghorbani, Marzieh;Tabatabaei, Meisam;Ghorbani, Marzieh;Kianmehr, Mohammad Hossein;Sarlaki, Ehsan;Angelidaki, Irini;Yang, Yadong;Pan, Junting;Tabatabaei, Meisam;Tabatabaei, Meisam;Aghbashlo, Mortaza

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关键词： Pelleting; Ozonation; Wheat straw; Nitrogen enrichment; Digestibility; Rumen methane emissions

期刊名称：SCIENCE OF THE TOTAL ENVIRONMENT （ 影响因子：9.8； 五年影响因子：9.6 ）

ISSN： 0048-9697

年卷期： 2023 年 892 卷

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收录情况： SCI

摘要： The livestock industry needs to use crop straws that are highly digestible to improve feed productivity and reduce ruminal methane emissions. Hence, this study aimed to use the ozonation and pelleting processes to enhance the digestibility and reduce the ruminal methane emissions of wheat straw enriched with two nitrogen sources (i.e., urea and heat-processed broiler litter). Various analyses were conducted on the pellets, including digestibility indicators, mechanical properties, surface chemistry functionalization, chemical-spectral-structural features, and energy requirements. For comparison, loose forms of the samples were also analyzed. The nitrogen-enriched ozonated wheat straw pellets had 43.06 % lower lignin, 28.30 % higher gas production for 24 h, 12.28 % higher metabolizable energy, 13.78 % higher in vitro organic matter digestibility for 24 h, and 28.81 % higher short-chain fatty acid content than

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