Energy-reduced diets supplemented with xylanase, Bacillus sp., and yeast wall maintain bone parameters, gut morphometry, economic indices, and performance of pigs

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Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorInstituto de Zootecnia-
Autor(es): dc.contributorUniversidade de São Paulo (USP)-
Autor(es): dc.creatorJustino, Lucas Rodrigo-
Autor(es): dc.creatorSouza, Christiane Silva-
Autor(es): dc.creatorde Vasconcelos, Bruno da Silva-
Autor(es): dc.creatorCosta, Jessica Amaral-
Autor(es): dc.creatorQuaresma, Débora Vaccari-
Autor(es): dc.creatorDilelis, Felipe-
Autor(es): dc.creatorVieira, Antonio Assis-
Autor(es): dc.creatorde Lima, Cristina Amorim Ribeiro-
Data de aceite: dc.date.accessioned2025-08-21T21:54:23Z-
Data de disponibilização: dc.date.available2025-08-21T21:54:23Z-
Data de envio: dc.date.issued2025-04-29-
Data de envio: dc.date.issued2023-12-31-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.37496/RBZ5320230046-
Fonte completa do material: dc.identifierhttps://hdl.handle.net/11449/300459-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/300459-
Descrição: dc.descriptionThis study aimed to investigate the effects of xylanase (Xyl) individually or in combination with B. subtilis and B. licheniformis associated or not with yeast cell wall in pig diets with a reduction of 100 kcal/kg of metabolizable energy (ME) content. Pig performance, bone parameters, intestinal morphometry, and bioeconomic indices were evaluated. A total of 75 pigs (25 females and 50 barrows; 25.02±3.21 kg) obtained from crossing Large White × Landrace were used. The experimental design consisted of randomized blocks, with five treatments and five blocks, totaling 25 experimental units subjected to treatments: basal diet (B); basal diet with reduction of 100 kcal/kg of ME (BEM); BEM with supplementation of xylanase (0.01%; BX); BX with supplementation of direct-fed microbials (composed of B. subtilis and B. licheniformis; 0.02%; BXM); and BX supplemented with 0.10% of symbiotic (which includes B. subtilis, B. licheniformis, and yeast cell wall; BXS). There were no differences in bone parameters. The BEM diet resulted in a lower villus height:crypt depth ratio in the jejunum than that seen upon using the BXS diet as feed. In the first period, pigs fed BEM diet had a 12% higher average daily feed intake than those fed the BXM diet. There were no differences in the pig performance during the second period. Over the total period, pigs fed BEM diet had greater FCR compared with pigs fed BXM diet. The inclusion of feed additives in diets with reduced ME content contributes to the maintenance of performance and characteristics of the metacarpus.-
Descrição: dc.descriptionCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)-
Descrição: dc.descriptionUniversidade Estadual Paulista Faculdade de Ciências Agrárias e Veterinárias, SP-
Descrição: dc.descriptionUniversidade Federal Rural do Rio de Janeiro Instituto de Zootecnia, RJ-
Descrição: dc.descriptionUniversidade de São Paulo Escola Superior de Agricultura “Luiz de Queiroz”, SP-
Descrição: dc.descriptionUniversidade Estadual Paulista Faculdade de Ciências Agrárias e Veterinárias, SP-
Idioma: dc.languageen-
Relação: dc.relationRevista Brasileira de Zootecnia-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectBacillus-
Palavras-chave: dc.subjectenergy restriction-
Palavras-chave: dc.subjectfeed additive-
Palavras-chave: dc.subjectnutrition-
Palavras-chave: dc.subjectswine-
Título: dc.titleEnergy-reduced diets supplemented with xylanase, Bacillus sp., and yeast wall maintain bone parameters, gut morphometry, economic indices, and performance of pigs-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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