Intake and digestion of horned guan Oreophasis derbianus diets measured in three Mexican zoos

Abstract 10.1002/zoo.20237.abs We conducted nutritional analyses of diets offered to and ingested by seven pairs of horned guans (Oreophasis derbianus) in three zoos. Digestibility was calculated with individually housed birds (n=1 at each zoo). Diets offered varied widely among institutions, both in ingredients fed as well as in nutrient composition. Feeding selectivity was evident through […]