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β-mannanase and mannan oligosaccharides in broiler chicken feed Ciência Rural
Barros,Victor Ramos Sales Mendes de; Lana,Geraldo Roberto Quintão; Lana,Sandra Roselí Valerio; Lana,Ângela Maria Quintão; Cunha,Fabio Sales Albuquerque; Neto,João Virgínio Emerenciano.
The study aimed to evaluate the use of β-mannanase and mannan oligosaccharides (MOS) to replace growth promoters in broiler diets. Four hundred male Cobb broiler chicks were used, with initial weight of 45±1g, distributed in a completely randomized design with five treatments and eight repetitions of ten birds. The treatments were: basal feed; basal feed without growth promoter; basal feed without growth promoter + β-mannanase; basal feed without growth promoter + MOS; and basal feed without growth promoter + β-mannanase + MOS. The feed intake of the birds increased in response to dietary treatments compared to basal diet during the period 1-21 days of age. A higher weight gain and improved feed conversion was found at 42 days of age among birds that had...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Broiler chickens; Economic efficiency; Exogenous enzymes.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782015000100111
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