Versele Laga Menu Nature Nesting Blend bird feed. High-protein nutrition for a good laying and the right development of the young birds. Calcium supports the good eggshell formation and the healthy skeletal development in young birds. Compositionmealworms (60%), gammarus (15%), daphnia (15%), shrimps (10%) Analytical constituentsProtein 47%, Fat content 20%, Crude ash 12.5%, Crude fibre 5.5%