The products are made from 100% natural high quality live blood worms, which are wiped off water under high vacuum below zero centigrade by the latest advanced freeze dried technology. In the process of freezing and drying, the finished products can be easily kept without losing their racy flavor and element Fe and Vitamin contents with validity period of 2-3 years. Regarding sanitation, the products are better than fresh bloodworms because all viruses are killed after FD process. In other words, there isnt any cross-infection among blood worms. The bloodworm contains rich nutrient contents such as proteins and vitamins which can accelerate the growth of fish and digestibility of foods. Moreover, natural astacin in the bloodworm can rapidly enhance the body color of ornamental fish to turn red and be colorful. As this product does not contain any additive, it can be fed to fish without polluting water of aquarium, which is much better than compound feedstuff. 2.Suitable to fishes: Almost all fishes including small and medium size fish and lava of large size fishes living in freshwater fishes as well as marine fish which like to eat bloodworms as below: Fresh water Cichlids ,Drawf cichlids,Arowana,minitype fishes,especially for Discus ,Red-parrot ,Guppy,Betta and Goldfish. 3.Nutrition analysis crude protein min52% crude fat min2% crude fiber max6% crude ash max10% moisture max10%