%0 Journal Article %T Chicks change their pecking behaviour towards stationary and mobile food sources over the first 12 weeks of life: improvement and discontinuities %A Kenneth J. Murphy %A Thomas J. Hayden %A John P. Kent %J PeerJ %D 2015 %I %R 10.7717/peerj.626 %X Chicks (Gallus gallus domesticus) learn to peck soon after hatching and then peck in rapid bursts or bouts with intervals of non-pecking activity. The food sources may be static such as seeds and chick crumb, or mobile such as a mealworm. Here, changes with age in pecking toward chick crumb and a mealworm were measured. %K Chicks %K Nutritional requirements %K Pecking %K Peck rate %K Development %U https://peerj.com/articles/626/