The emergence of safe and functional eggs for consumer acceptance has gained focus. The
production of carotenoid-enriched eggs has received attention due to its multifunctional …

Animals must allocate finite resources amongst competing demands. A suite of such trade-
offs is thought to occur in the deployment of carotenoids, being widely responsible for sexual …

One hypothesis for why females in many animal species frequently prefer to mate with the
most elaborately ornamented males predicts that availability of carotenoid pigments is a …

Many male birds use carotenoid pigments to acquire brilliant colors that advertise their
health and condition to prospective mates. The direct means by which the most colorful …

Secondary sexual traits (SST) are usually thought to have evolved as honest signals of
individual quality during mate choice. Honesty of SST is guaranteed by the cost of …

In many nonhuman species of vertebrates, females are attracted to red on male
conspecifics. Red is also a signal of male status in many nonhuman vertebrate species, and …

Feathers tend to be darkly colored in habitats where relative humidity is high and pale where
it is low. We suggest that this correlation, known as Gloger's rule, results, in part, from …

Carotenoid-based sexual traits are thought to be reliable indicators of male quality because
they might be scarce and therefore might indicate the ability of males to gather high-quality …

The publisher's policy is to use permanent paper from mills that operate a sustainable
forestry policy, and which has been manufactured from pulp processed using acid-free and …

Early nutrition has recently been shown to have pervasive, downstream effects on adult life–
history parameters including lifespan, but the underlying mechanisms remain poorly …