translate English to French: It is estimated that at least 0.5 Mt of low quality barley was used in 2003, which includes malting and feed varieties of barley from both domestic and import sources.
On estime que la consommation d'orge de qualité inférieure en 2003 a atteint au moins 0,5 Mt, ce qui comprend des variétés d'orge brassicole et fourragère de source nationale ou d'importation.