...) 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...

... and gonadal level. Luteinizing hormone Gonadal development Gonadotropin-releasing hormone Hypothalamic–pituitary–gonadal axis Seasonal reproduction Testosterone For many animals, the decision of when to breed is a critical one because timing reproduction to coincide with favorable...

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

... © The Company of Biologists Limited 2001 2001 body fattening 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...