1) Feed formulation technology
Cray-X was formulated using soybean meal and chicken egg shell powder, which is a natural and cost-effective source of calcium, to meet the nutritional requirements of red claw crayfish.
2) Calcium extraction technology
Eggshell powder is produced by grinding and milling chicken eggshells, which are rich in calcium carbonate. The resultingpowder is a bioavailable source of calcium for crayfish thatimproves growth and shell quality.