...) whether the regulation of thymus plasticity relies on resource trade-off with somatic growth and reproductive investment and (2) if the gonad–thymus interaction takes place during gonadal differentiation and development. Because gonadal development and, supposedly, thymus function in sea bass depend...

... to be a more important proximate cue in species that rely less on photoperiod to time breeding, but the present results suggest that the inhibitory action of energetic deficit on gonadal development and function may be conserved across species with diverse breeding patterns. In ad libitum -fed birds...

... will be more severe and may result in fitness consequences. * Author for correspondence ( mechever@princeton.edu ) 16 2 2012 © 2012. 2012 flight feather gonadal development life cycle molt reproduction time budget Many longer-lived organisms undergo several life history...

... blackheaded bunting Emberiza melanocephala food intake gonadal development photoperiodic response In a species that migrates, the regulation of migration and the accompanying metabolic adaptations (e.g. hyperphagia, body fattening etc.) are closely integrated with regulation of the reproductive...