This vitamin concentrate does not affect the yolk color only b vitamins and carotene have a coloring effect these are not included in the product the manufacturer recommends the following feeding recommendations in case of increased performance requirements such as stabling feed change and stress situations daily maximum feed 100 chicks 10 ml to 10 liters of water 100 chunks 15 ml to 15 liters of water 100 laying hens 25 ml to 20 liters of water content of additives per ml vitam