ORBi: Meura Stéphane - Milk urea content as influenced by geographical area and season in Wallonia

Reference : Milk urea content as influenced by geographical area and season in Wallonia


	Document type :	Scientific congresses and symposiums : Paper published in a book
	Discipline(s) :	Life sciences : Animal production & animal husbandry
	To cite this reference:	http://hdl.handle.net/2268/8637

Title :	Milk urea content as influenced by geographical area and season in Wallonia
Language :	English
Author, co-author :	Meura, Stéphane [ > > ]
	Dufrasne, Isabelle [Université de Liège - ULg > Département de productions animales > Nutrition des animaux domestiques >]
	Cabaraux, Jean-François [Université de Liège - ULg > Département de productions animales > Ecologie et éthologie vétérinaires >]
	Istasse, Louis [Université de Liège - ULg > Département de productions animales > Nutrition des animaux domestiques >]
	Hornick, Jean-Luc [Université de Liège - ULg > Département de productions animales > Nutrition des animaux domestiques >]
Publication date :	2007
Main document title :	Permanent and temporary grassland plant, environment and economy; A. De Vliegher and L. Carlier (Eds); Proceedings of 14th symposium of the European Grassland Federation
Collection and collection volume :	Grassland Science in Europe, Vol 12
Pages :	375-377
On invitation :	No
Audience :	International
Event name :	14th symposium of the European Grassland Federation
Event date :	3-5 septembre
Event organizer :	EGF
Event place (city) :	Ghent
Event country :	Belgique
Keywords :	[en] Milk Urea ; Wallonia ; month
	[fr] diet ; area
Abstract :	[en] Milk urea concentration is routinely determined in commercial dairy farms along with the official milk analyses carried out on milk samples for the dairies by the “Comité du lait”. The milk urea content do not modify milk price but can be useful for the farmers for diet calculation, milk urea content being related to the energy-protein ratio in the diet. The aim of this paper was to study the evolution of the milk urea content according to the months and the areas. Milk urea concentration changed according to the months owing to the diet: the summer diets, mainly composed by grass in many farms, were characterized by higher nitrogen content which as result an increase in milk urea concentration. The geographic areas can also influence milk urea concentration due to dietary difference. For example, in the Hesbaye area, beet and cereals are produced while in the Ardennes, grasslands are dominant. The urea content in milk can be an useful measurement for the diet calculations in order to decrease nitrogen waste and to reduce the feed costs.
Target :	Researchers ; Professionals ; Students
Permalink :	http://hdl.handle.net/2268/8637

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