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Unformatted text preview: Enzymes to metabolize pigments in integument Feathers that can take up the pigment Things that affect these processes: 1. Carotenoid access Foraging ability 2. Overall nutritional condition 3. Genetics 4. Maternal Effects 5. Parasites Carotenoids also have other functions: Immunoenhancers Antioxidants Carotenoids can be honest signals of quality: Foraging ability Nutritional condition/health Genetic superiority Parasite resistance Oxidative stability Other two color pigment types: Porphyrins brown color of owls Psittacofulvin yellow and reds in parrots...
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This note was uploaded on 04/08/2011 for the course POUL 3123 taught by Professor Navara during the Spring '09 term at University of Georgia Athens.
- Spring '09