{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,5]],"date-time":"2026-01-05T15:24:52Z","timestamp":1767626692192,"version":"build-2065373602"},"reference-count":49,"publisher":"MDPI AG","issue":"3","license":[{"start":{"date-parts":[[2025,8,8]],"date-time":"2025-08-08T00:00:00Z","timestamp":1754611200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Ruminants"],"abstract":"<jats:p>The success of optimal ruminant production relies heavily on feed efficiency to deliver the necessary nutrients to animals. Nutritional deficiencies in livestock pose a significant challenge in regions experiencing prolonged fluctuations in resource availability and quality. In this context, the present study aimed to investigate the cumulative gas production (CGP) and in vitro degradability of silages made from spineless forage cactus (a native species) combined with high-fiber ingredients, to evaluate their viability as a sustainable, low-cost alternative to animal feed. The experiment involved ensiling spineless cactus genotypes with varying levels of sugarcane bagasse (0, 150, 300, 450, and 600 g\/kg of dry matter) and a 1% urea\u2013ammonium sulfate solution. The results indicated that for all genotypes studied, the CGP curves from silage composed solely of forage cactus differed significantly from those containing bagasse, which exhibited an initial phase characterized by little or no gas production. In vitro degradability was negatively influenced by the inclusion of bagasse at any level, resulting in decreased dry matter and organic matter degradability, as well as reduced CGP with increasing bagasse concentration. Therefore, the study demonstrated that the proposed combination of ingredients represents a promising sustainable feed supplement to enhance animal nutrition. Silage containing 150 g\/kg of bagasse treated with urea offers a favorable balance between the energy required by rumen microflora and the benefits of fiber presence.<\/jats:p>","DOI":"10.3390\/ruminants5030037","type":"journal-article","created":{"date-parts":[[2025,8,8]],"date-time":"2025-08-08T08:09:35Z","timestamp":1754640575000},"page":"37","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Spineless Cactus (Opuntia stricta and Nopalea cochenillifera) with Added Sugar Cane (Saccharum officinarum) Bagasse Silage as Bovine Feed in the Brazilian Semi-Arid Region"],"prefix":"10.3390","volume":"5","author":[{"given":"Iran Alves","family":"Torquato","sequence":"first","affiliation":[{"name":"Northeastern Biotechnology Network\u2014RENORBIO, Federal University of Sergipe, S\u00e3o Crist\u00f3v\u00e3o 49107-230, SE, Brazil"},{"name":"Federal Institute of the Sert\u00e3o Pernambucano, Pernambuco 56400-000, PE, Brazil"}]},{"given":"Cleber Thiago Ferreira","family":"Costa","sequence":"additional","affiliation":[{"name":"Federal Institute of the Sert\u00e3o Pernambucano, Pernambuco 56400-000, PE, Brazil"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8625-978X","authenticated-orcid":false,"given":"Meirielly Santos","family":"Jesus","sequence":"additional","affiliation":[{"name":"CISAS\u2014Center for Research and Development in Agrifood Systems and Sustainability, Instituto Polit\u00e9cnico de Viana do Castelo, 4900-347 Viana do Castelo, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5687-7114","authenticated-orcid":false,"given":"Fernando","family":"Mata","sequence":"additional","affiliation":[{"name":"CISAS\u2014Center for Research and Development in Agrifood Systems and Sustainability, Instituto Polit\u00e9cnico de Viana do Castelo, 4900-347 Viana do Castelo, Portugal"},{"name":"Esta\u00e7\u00e3o Zoot\u00e9cnica Nacional, Instituto Nacional de Investiga\u00e7\u00e3o Agr\u00e1ria e Veterin\u00e1ria, 2005-424 Vale de Santar\u00e9m, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0043-2068","authenticated-orcid":false,"given":"Joana","family":"Santos","sequence":"additional","affiliation":[{"name":"CISAS\u2014Center for Research and Development in Agrifood Systems and Sustainability, Instituto Polit\u00e9cnico de Viana do Castelo, 4900-347 Viana do Castelo, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4418-5487","authenticated-orcid":false,"given":"Hort\u00eancia E. Pereira","family":"Santana","sequence":"additional","affiliation":[{"name":"Northeastern Biotechnology Network\u2014RENORBIO, Federal University of Sergipe, S\u00e3o Crist\u00f3v\u00e3o 49107-230, SE, Brazil"},{"name":"Graduate Program in Biotechnology\u2014PROBIO, Federal University of Sergipe, S\u00e3o Crist\u00f3v\u00e3o 49107-230, SE, Brazil"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2266-4428","authenticated-orcid":false,"given":"Daniel Pereira","family":"Silva","sequence":"additional","affiliation":[{"name":"Northeastern Biotechnology Network\u2014RENORBIO, Federal University of Sergipe, S\u00e3o Crist\u00f3v\u00e3o 49107-230, SE, Brazil"},{"name":"CISAS\u2014Center for Research and Development in Agrifood Systems and Sustainability, Instituto Polit\u00e9cnico de Viana do Castelo, 4900-347 Viana do Castelo, Portugal"},{"name":"Graduate Program in Biotechnology\u2014PROBIO, Federal University of Sergipe, S\u00e3o Crist\u00f3v\u00e3o 49107-230, SE, Brazil"},{"name":"Center for Exact Sciences and Technology, Federal University of Sergipe, S\u00e3o Crist\u00f3v\u00e3o 49107-230, SE, Brazil"},{"name":"PPGPI\u2014Graduate Program in Intellectual Property Science, Federal University of Sergipe, S\u00e3o Crist\u00f3v\u00e3o 49107-230, SE, Brazil"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1550-6341","authenticated-orcid":false,"given":"Denise Santos","family":"Ruzene","sequence":"additional","affiliation":[{"name":"Northeastern Biotechnology Network\u2014RENORBIO, Federal University of Sergipe, S\u00e3o Crist\u00f3v\u00e3o 49107-230, SE, Brazil"},{"name":"CISAS\u2014Center for Research and Development in Agrifood Systems and Sustainability, Instituto Polit\u00e9cnico de Viana do Castelo, 4900-347 Viana do Castelo, Portugal"},{"name":"Graduate Program in Biotechnology\u2014PROBIO, Federal University of Sergipe, S\u00e3o Crist\u00f3v\u00e3o 49107-230, SE, Brazil"},{"name":"Center for Exact Sciences and Technology, Federal University of Sergipe, S\u00e3o Crist\u00f3v\u00e3o 49107-230, SE, Brazil"}]}],"member":"1968","published-online":{"date-parts":[[2025,8,8]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"151","DOI":"10.1007\/s00335-024-10101-z","article-title":"Climate Resilience in Goats: A Comprehensive Review of the Genetic Basis for Adaptation to Varied Climatic Conditions","volume":"36","author":"Parsad","year":"2025","journal-title":"Mamm. 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