A multi‐zoo investigation of nutrient provision for captive red‐crested turacos
2017
Hulbert, Alexander J. | Hunt, Kerry A. | Rose, Paul E.
Turacos (Musophagidae) are common zoo birds; the 14 species of Tauraco being most often exhibited. Turacos possess unique non‐structural, copper‐based feather pigments, and a specialized dietary strategy. Tauraco inhabit tropical woodlands, foraging for predominantly folivorous and/or frugivorous food items. Using a study population of 16 red‐crested turacos (T. erythrolophus) at seven zoos in the United Kingdom, the nutrient composition of diets from diet sheets was calculated, using Zootrition v.2.6, Saint Louis Zoo, USA for analyses of important nutrients within each diet, and compared against an example of currently available literature. For all nutrients analyzed, significant differences were noted between amounts presented in each zoo's diet (as fed). Turacos are presented with a wide range of ingredients in diets fed, and all zoos use domestic fruits to a large extent in captive diets. Similarities exist between zoos when comparing amounts of as‐fed fiber. Analysis of the calcium to phosphorous ratio for these diets showed there to be no significant difference from the published ratio available. While this is a small‐scale study on only a limited number of zoos, it provides useful information on current feeding practice for a commonly‐housed species of bird and highlights potential areas of deviation away from standard practice, as well as identifying ways of reducing wastage of food. Data on wild foraging behavior and food selection, or collaboration with tauraco keepers from institutions in the tropics, is recommended as a way of improving feeding regimes and updating feeding practice for this and other Tauraco species.
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