Citation: Rc. Newberry et I. Estevez, A DYNAMIC APPROACH TO THE STUDY OF ENVIRONMENTAL ENRICHMENT AND ANIMAL-WELFARE, Applied animal behaviour science, 54(1), 1997, pp. 53-57
Citation: Rc. Newberry et R. Blair, BEHAVIORAL-RESPONSES OF BROILER-CHICKENS TO HANDLING - EFFECTS OF DIETARY TRYPTOPHAN AND 2 LIGHTING REGIMENS, Poultry science, 72(7), 1993, pp. 1237-1244