Reference : Effect of hemicellulase preparations on performance parameters, intestinal viscosity and...

	Document type :	Scientific congresses and symposiums : Poster
	Discipline(s) :	Life sciences : Animal production & animal husbandry
	To cite this reference:	http://hdl.handle.net/2268/16705

Title :	Effect of hemicellulase preparations on performance parameters, intestinal viscosity and apparent nutrient digestibility of male broilers fed a wheat-based diet
Language :	English
Author, co-author :	Vandeplas, Sabrina [Université de Liège - ULg > Gembloux Agro-Bio Tech > Gembloux Agro-Bio Tech >]
	Beckers, Yves [Université de Liège - ULg > Gembloux Agro-Bio Tech > Gembloux Agro-Bio Tech >]
	Thewis, André [Université de Liège - ULg > Gembloux Agro-Bio Tech > Gembloux Agro-Bio Tech >]
Publication date :	2003
On invitation :	No
Audience :	International
Event name :	14th European Symposium on Poultry Nutrition
Event date :	du 10 au 14 août 2003
Event place (city) :	Lillehammer
Event country :	Norvège
Abstract :	[en] Three experiments were conducted to investigate the mode of action of 5 hemicellulases supplemented to wheat-based broiler diets. Performances parameters and digesta viscosity were measured during growth period. Total collection of excreta was carried out for determination of AMEn content of the diets and of apparent crude fat, Kjeldahl-nitrogen and crude cellulose digestibilities. Addition of xylanase improve daily body gain by 1 to 6% and feed conversion ration by 1,5 to 4%, as the apparent nutrient digestibility and the content of AMEn in the diets supplemented with enzymes. Although viscosity values seemed not correled to improved performances, Grindazym G shows an increase in the digesta viscosity for all the period of measurement. It can be concluded that the beneficial action of xylanases is more due to the improved release of the nutrients entrapped by the NSP, following degradation of these structures, than to the generally accepted decrease in digesta viscosity.
Funders :	Région wallonne : Direction générale des Technologies, de la Recherche et de l'Energie - DGTRE
Name of the research project :	Recherche d'un probiotique travaillant en synergie avec une hémicellulase en alimentation aviaire
Target :	Researchers ; Professionals ; Students
Permalink :	http://hdl.handle.net/2268/16705

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