{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,27]],"date-time":"2026-08-27T11:04:33Z","timestamp":1787828673692,"version":"build-2784847793"},"reference-count":45,"publisher":"MDPI AG","issue":"5","license":[{"start":{"date-parts":[[2026,5,7]],"date-time":"2026-05-07T00:00:00Z","timestamp":1778112000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100017691","name":"Guangxi Key Research and Development Program","doi-asserted-by":"crossref","award":["AB2506910044"],"award-info":[{"award-number":["AB2506910044"]}],"id":[{"id":"10.13039\/501100017691","id-type":"DOI","asserted-by":"crossref"}]},{"name":"Guangxi Science and Technology Major Project","award":["AA22068099-5"],"award-info":[{"award-number":["AA22068099-5"]}]},{"name":"Innovation Project of Guangxi Graduate Education","award":["YCBZ2026031"],"award-info":[{"award-number":["YCBZ2026031"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Microorganisms"],"abstract":"<jats:p>Based on previous findings that fiber digestibility and rumen fermentation in weaned buffalo calves were improved by a roughage combination of dried sugarcane leaves (SDL) and peanut vine (PV), this study reveals that the mechanism for improving fiber digestibility and growth performance involves increasing Succiniclasticum abundance and 3-methoxytyramine-betaxanthin level, which consequently increases ruminal acetate and propionate. Twenty-one calves were fed pelleted diets with roughage combinations the 15% SDL combined with PV (S15PV, 15% SDL + 15% PV), the 22.5% SDL combined with PV (S22.5PV, 22.5% SDL + 7.5% PV), or the 30% SDL combined with PV (S30PV, 30% SDL) for 63 days. The results showed no significant differences in \u03b1-diversity and \u03b2-diversity among the three groups (p &gt; 0.05). A significantly higher relative abundance of Succiniclasticum was observed in the S22.5PV group than in the other two groups, by 241.57% and 136.25%, respectively (p &lt; 0.05), and its effects were primarily exerted through carbohydrate and amino acid metabolism pathways. Differential metabolites were mainly enriched in cofactor\/vitamin metabolism (vitamin B6, riboflavin) and amino acid pathways (arginine, tryptophan). By PLS-DA analysis, significantly higher levels of Bentyl and 3-Methoxytyramine-betaxanthin were observed in the S22.5PV group compared to the S15PV and S30PV groups, respectively. Positive correlations were observed between Succiniclasticum and NDFD, ADFD, acetic acid, propionic acid, isovaleric acid, as well as 3-Methoxytyramine-betaxanthin (p &lt; 0.05). In conclusion, the rumen microbial diversity was not altered by the roughage combinations of dried sugarcane leaves and peanut vine, but the abundance of Succiniclasticum and the level of 3-Methoxytyramine-betaxanthin were significantly correlated with NDFD and ADFD, which enriched ruminal AA and PA, and may thus be associated with improved growth performance.<\/jats:p>","DOI":"10.3390\/microorganisms14051050","type":"journal-article","created":{"date-parts":[[2026,5,7]],"date-time":"2026-05-07T14:05:46Z","timestamp":1778162746000},"page":"1050","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Effects of Roughage Combinations of Sugarcane Dry Leaves and Peanut Vine on the Rumen Microbial Community and Metabolites of Weaned Buffalo Calves"],"prefix":"10.3390","volume":"14","author":[{"given":"Caixiang","family":"Wei","sequence":"first","affiliation":[{"name":"College of Animal Science and Technology, Guangxi University, Nanning 530005, China"},{"name":"Guangxi Key Laboratory of Animal Breeding, Disease Control and Prevention, Nanning 530004, China"},{"name":"Science and Technology Backyard of Guangxi Fusui Dairy Industry, Chongzuo 532100, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xin","family":"Gao","sequence":"additional","affiliation":[{"name":"College of Animal Science and Technology, Guangxi University, Nanning 530005, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ruizhanghui","family":"Wang","sequence":"additional","affiliation":[{"name":"College of Animal Science and Technology, Guangxi University, Nanning 530005, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qi","family":"Yan","sequence":"additional","affiliation":[{"name":"College of Animal Science and Technology, Guangxi University, Nanning 530005, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4655-4311","authenticated-orcid":false,"given":"Qichao","family":"Gu","sequence":"additional","affiliation":[{"name":"College of Animal Science and Technology, Guangxi University, Nanning 530005, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuyang","family":"Liang","sequence":"additional","affiliation":[{"name":"College of Animal Science and Technology, Guangxi University, Nanning 530005, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dongwen","family":"Qiu","sequence":"additional","affiliation":[{"name":"College of Animal Science and Technology, Guangxi University, Nanning 530005, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yongqi","family":"Tan","sequence":"additional","affiliation":[{"name":"College of Animal Science and Technology, Guangxi University, Nanning 530005, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Huadong","family":"Luo","sequence":"additional","affiliation":[{"name":"College of Animal Science and Technology, Guangxi University, Nanning 530005, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qingfeng","family":"Tang","sequence":"additional","affiliation":[{"name":"College of Animal Science and Technology, Guangxi University, Nanning 530005, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhilin","family":"Yan","sequence":"additional","affiliation":[{"name":"College of Animal Science and Technology, Guangxi University, Nanning 530005, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jianwei","family":"Chen","sequence":"additional","affiliation":[{"name":"College of Animal Science and Technology, Guangxi University, Nanning 530005, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1836-258X","authenticated-orcid":false,"given":"Caixia","family":"Zou","sequence":"additional","affiliation":[{"name":"College of Animal Science and Technology, Guangxi University, Nanning 530005, China"},{"name":"Guangxi Key Laboratory of Animal Breeding, Disease Control and Prevention, Nanning 530004, China"},{"name":"Science and Technology Backyard of Guangxi Fusui Dairy Industry, Chongzuo 532100, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2026,5,7]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Firdayati, M., Notodarmojo, P.A., and Oginawati, K. 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