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Combined efects of dietary Laminaria digitata with alginate lyase on plasma metabolites and hepatic lipid, pigment and mineral composition of broilers

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Resumo:ABSTRACT - Background: The Laminaria digitata is an abundant macroalga and a sustainable feedstock for poultry nutrition. L. digitata is a good source of essential amino acids, carbohydrates and vitamins, including A, D, E, and K, as well as triacylglycerols and minerals, in particular iron and calcium. However, the few studies available in the literature with broilers document the application of this macroalga as a dietary supplement rather than a feed ingredient. No study has addressed up until now the efects of a high-level incorporation (>2% in the diet) of L. digitata on plasma biochemical markers and hepatic lipid composition, as well as minerals and pigments profle in the liver of broilers. Our experimental design included one hundred and twenty Ross 308 male birds contained in 40 wired-foor cages and distributed to the following diets at 22days of age (n=10) for 15days: 1) a corn-soybean basal diet (Control); 2) the basal diet plus 15% of L. digitata (LA); 3) the basal diet plus 15% of L. digitata with 0.005% of Rovabio® Excel AP (LAR); and 4) the basal diet plus 15% of L. digitata with 0.01% of the recombinant CAZyme, alginate lyase (LAE).
Autores principais:Costa, Mónica
Outros Autores:Lopes, Paula Alexandra; Assunção, JMP; Alfaia, Cristina; Coelho, Diogo; Mourato, Miguel; Pinto, Rui; Lordelo, Maria; Prates, JAM
Assunto:Laminaria digitata Carbohydrate-active enZymes Plasma biochemical markers Hepatic lipid composition Broiler
Ano:2022
País:Portugal
Tipo de documento:artigo
Tipo de acesso:acesso aberto
Instituição associada:Universidade de Lisboa
Idioma:inglês
Origem:Repositório da Universidade de Lisboa

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