Effect of different levels of supplementary alpha-amylase in finishing broilers
Acta sci., Anim. sci
; 42: e47546, out. 2020. tab
Article
in En
| VETINDEX
| ID: biblio-1459894
Responsible library:
BR68.1
Localization: BR68.1
ABSTRACT
The objective of this study was to investigate the effects of alpha-amylase supplementation on performance and carcass and cuts yield in broilers during finishing phase (21 to 42 days). A completely randomized experimental design with six treatments and eight replications was used Positive Control (PC) no enzyme; Negative control (NC) without enzyme formulated with 6.34% less energy (- 6.34% ME); NC1 with 250 g ton-1 of alpha-amylase; NC2 with 500 g ton-1 of alpha-amylase; NC3 with 750 g ton-1 of alpha-amylase; NC4 with 1000 g ton-1 of alpha-amylase. Significant differences in weight gain, feed intake and feed conversion were reported with the inclusion of alpha-amylase. The NC treatment with inclusion of amylase provided improvement values of weight gain, feed conversion and feed intake, but do not was similarly in comparison to those obtained in broilers fed a diet that completely met the requirements during this phase. There was no dietary influence on carcass parameters. The use of alphaamylase was effective in improving performance in broilers fed a diet of 200 kcal kg-1 of reduced metabolizable energy.
Key words
Full text:
1
Database:
VETINDEX
Main subject:
Chickens
/
Alpha-Amylases
Limits:
Animals
Language:
En
Journal:
Acta sci., Anim. sci
Year:
2020
Document type:
Article