4 mm floating pellet for waterfowl that usually lives in salt or brackish water FLOATING SEA DUCK is a 100% extruded floating feed for ducks that usually live in salt or brackish water, from the age of 4 weeks. This floating feed contains 35% protein and all other nutrients to keep the animals in optimum condition. The animal protein comes from fish meal, shrimp and plankton. Moreover, the feed also contains spirulina, algae and sea salt. This 4 mm pellet has a high floating capacity, so that the animals have enough time to take in the feed.