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Do insect food-derived ecdysteroids appear in the blood of waterfowl, predatory birds, carnivorous mammals and primates?

Arthropod molting hormones, the so-called ecdysteroids were experimentally shown to have anabolic effects in higher vertebrates, promoting energy supply, protein synthesis, and tissue growth. Insectivorous songbirds (Aves: Passeriformes) and bats (Mammalia: Chiroptera) were demon...