Specific Appetite for Carotenoids in a Colorful BirdReport as inadecuate




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Background

Since carotenoids have physiological functions necessary for maintaining health, individuals should be selected to actively seek and develop a specific appetite for these compounds.

Methodology-Principal Findings

Great tits Parus major in a diet choice experiment, both in captivity and the field, preferred carotenoid-enriched diets to control diets. The food items did not differ in any other aspects measured besides carotenoid content.

Conclusions-Significance

Specific appetite for carotenoids is here demonstrated for the first time, placing these compounds on a par with essential nutrients as sodium or calcium.



Author: Juan Carlos Senar , Anders Pape Møller, Iker Ruiz, Juan José Negro, Juli Broggi, Esa Hohtola

Source: http://plos.srce.hr/



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