Associação da expressão gênica com metabólitos sanguíneos e perfil de ácidos graxos em cordeiros
Resumo
Alguns subprodutos agrícolas podem ser utilizados como alternativas viáveis na alimentação animal. Portanto, foi avaliado o efeito da inclusão de farinha de abacate e óleo de girassol no perfil de ácidos graxos, metabólitos sanguíneos e na expressão de genes associados ao metabolismo lipídico em cordeiros. Foram avaliados três tratamentos: 0 % controle, 10 % farinha de abacate e 10 % óleo de girassol por 84 dias. Verificou-se que a inclusão da farinha de abacate na dieta aumentou a quantidade de glicemia e também de globulina, mas diminuiu a creatinina e a Transaminase Glutâmica Oxaloacética, em comparação à adição de óleo de girassol onde diminuiu o teor de colesterol, triglicerídeos e VLDL. G. Não houve diferença para o percentual de gordura muscular. A concentração dos ácidos graxos C20:0, C20:1 e C23:0 foi menor com a farinha de abacate, sem afetar os valores de MUFA e UFA, a relação AGL/SFA e o índice de saturação. A inclusão da farinha de abacate causou alteração no expressão dos genes ACACA, FASN, SCD, FASBP3, PPARG e SREBF1 no músculo Longisimus thoracis, houve associação positiva entre glicose e o gene FASBP3, também de HDL com o gene PPARG, MUFA, proteínas e índices de dessaturação de gordura ácidos foram associados a genes como SCD, FASN, SREBF1 e ACACA. A inclusão da farinha de abacate é uma alternativa para modificar a expressão genética, também para reduzir os valores de colesterol de densidade muito baixa no sangue.
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Direitos de Autor (c) 2024 Clemente Lemus Flores, Job Oswaldo Bugarín Prado, Gilberto Lemus Avalos, Javier Germán Rodríguez Carpena, Gabriela Rosario Peña Sandoval, José Lenin Loya Olguin

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