Dietary carotenoid supplementation facilitates egg laying in a wild passerine
J. Garcia-Campa, W. Muller, S. Gonzalez-Braojos, E. Garcia-Juarez, J. Morales
This study shows that lutein supplementation in blue tits reduces laying interruptions and speeds up clutch completion but decreases eggshell thickness.
bioRxiv · Oct 4, 2019Animal Behavior & Cognition