Prelux are commercial chicken crossbreeds of the Slovenian origin, that are being sold under the eponymous trademark by the Biotechnical Faculty of University of Ljubljana. The name is an abbreviation for the Slovenian phrase prevojski luxuriranci, with a word luxuriranci referring to luxuriance (heterosis) or outbreeding enhancement of hybrid offspring, and adjective prevojski referring to the Slovenian settlement Prevoje, where selective breeding was once performed. This name was given to quality layer hens, that are being obtained by crossbreeding three Slovenian traditional breeds of layer hens; Slovenian Barred, Slovenian Brown and Slovenian Silver Hen. The most known and best-selling layer hens of the trademark Prelux are Prelux-Č, Prelux-G and Prelux-R. A part of the selection is also a meat type chicken (broiler), Prelux-BRO.