Document Detail


The effects of enzyme addition to broiler diets containing high concentrations of canola or sunflower meal.
MedLine Citation:
PMID:  11194039     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The effects of two commercial enzyme products on the nutritive value of canola meal (CM) and sunflower meal (SFM) were determined in a classical AME bioassay with special emphasis on the utilization of nonstarch polysaccharides (NSP). The enzymes were added to semi-purified broiler grower diets based on corn and casein containing 35% CM or 35% SFM, respectively. Feed intake, growth, and AME of the diets were significantly (P < 0.001) affected by type of oilseed meal included in the diet. Birds fed the SFM-based diets had a significantly (P < 0.001) higher growth rate and AME and a lower feed conversion ratio (FCR) than did birds fed the CM-based diets. The addition of enzymes to either CM- or SFM-based diets had no significant effects on growth performance and AME; however, the addition of enzymes to CM-based diets resulted in a significant reduction in the concentration of soluble NSP in the jejunum (Enzyme A) or a significant reduction of total NSP in the jejunum (Enzyme B). The AMEn was significantly lower in diets containing CM supplemented with Enzyme B. The addition of enzymes to SFM-based diets significantly improved NSP digestion in the jejunum and protein digestion in the ileum. The results of this study indicate that commercial enzyme products had some effects in diets containing high concentrations of CM or SFM. However, these effects could only be seen after detailed analyses of feed and digesta and did not result in significant improvement in growth performance of broilers.
Authors:
A Kocher; M Choct; M D Porter; J Broz
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Poultry science     Volume:  79     ISSN:  0032-5791     ISO Abbreviation:  Poult. Sci.     Publication Date:  2000 Dec 
Date Detail:
Created Date:  2001-01-18     Completed Date:  2001-03-15     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  0401150     Medline TA:  Poult Sci     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1767-74     Citation Subset:  IM    
Affiliation:
School of Rural Science and Natural Resources, The University of New England, Armidale NSW, Australia. akocher@metz.une.edu.au
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MeSH Terms
Descriptor/Qualifier:
Animal Nutritional Physiological Phenomena
Animals
Cellulase / administration & dosage
Chickens / physiology*
Diet*
Dietary Proteins / metabolism
Digestion / drug effects
Energy Metabolism / drug effects
Enzymes / administration & dosage*
Fatty Acids, Monounsaturated
Glycoside Hydrolases / administration & dosage
Helianthus*
Ileum / metabolism
Jejunum / metabolism
Male
Polygalacturonase / administration & dosage
Polysaccharides / analysis,  metabolism
Seeds*
Viscosity
Xylan Endo-1,3-beta-Xylosidase
Xylosidases / administration & dosage
Chemical
Reg. No./Substance:
0/Dietary Proteins; 0/Enzymes; 0/Fatty Acids, Monounsaturated; 0/Polysaccharides; 120962-03-0/canola oil; EC 3.2.1.-/Glycoside Hydrolases; EC 3.2.1.-/Xylosidases; EC 3.2.1.-/hemicellulase; EC 3.2.1.15/Polygalacturonase; EC 3.2.1.32/Xylan Endo-1,3-beta-Xylosidase; EC 3.2.1.4/Cellulase

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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