Addition of amylase from aspergillus awamori to the diet of broiler chickens
Rev. bras. ciênc. avic
; 18(4): 725-731, Out-Dez. 2016. tab
Article
em En
| VETINDEX
| ID: biblio-1490325
Biblioteca responsável:
BR68.1
Localização: BR68.1
ABSTRACT
Two experiments were performed to evaluate the hematological and blood biochemistry parameters, biometry of digestive organs, enzyme activities, protein content and absolute weight of the pancreas of broilers fed pre-starter and pre-starter diets supplemented or not with amylase from Aspergillus awamori. In total, 120 male Cobb chicks were housed in heated cages in each experiment. A completely randomized experimental design, with two treatments (feed with and without amylase) and six replicates per treatment of 10 birds each was applied. The data were subjected to analysis of variance using the F-test at 5% probability level. The dietary amylase addition did not affect hematological and blood biochemistry parameters and the biometry of the gastrointestinal tract of 7- and 21-d-old broilers, nor the absolute weight, enzyme activities or protein concentration of the pancreas of 7-d-old broilers. However, the inclusion of amylase in the diet reduced amylase activity and pancreatic protein concentration in 21-d-old broilers. The application of amylase to broiler chicken pre-starter and starter feeds is not justified given the pancreatic amylase activity and protein concentrations.
Palavras-chave
Texto completo:
1
Base de dados:
VETINDEX
Assunto principal:
Aspergillus
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Sangue
/
Galinhas
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Suplementos Nutricionais
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Trato Gastrointestinal
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Dieta
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Aditivos Alimentares
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Fenômenos Fisiológicos da Nutrição Animal
Limite:
Animals
Idioma:
En
Revista:
Rev. bras. ciênc. avic
Ano de publicação:
2016
Tipo de documento:
Article