artemia cysts is known as the shrimp of brine and regarded as a kind of important biological bait by the extensive one. it holds the strong adaptability to the bad environment, and has better reproduction ability. worm's ovum's larva has high nutriment. so the worm's ovum is an extremely good biological bait for fish , shrimp and crab. specification: 1). hatched rate:≥90% 2). moisture:<10% 3). impurity:<1% export markets: worldwide