机译:Evaluating the current conditions and challenges of livestock grazing in France and Europe
INRA, Direct Sci Agr, 147 Rue Univ, F-75338 Paris, France;
Wageningen Livestock Res, Wageningen, Netherlands;
Aeres Univ Appl Sci, Dronten, Pays Bas, NetherlandsGrunlandzentrum Niedersachsen Bremen, Ovelgonne, Allemagne, Germany;
Basic diet; change in time; economic aspect; estimation method; Europe; forecast; grassland; grazing; New-Zealand; seasonal variations;