3 results about "Crayfish" patented technology

The invention relates to the technical field of culture of aquatic products, and more particularly discloses a culture method for crayfish. The culture method is characterized by comprising the following steps: selection of an aquaculture pond, water body treatment, aquatic plant transplanting, release of crayfish fries, bait feeding and water quality management. The culture method for the crayfish, which is provided by the invention, is more pertinent by feeding the crayfish with different proportions of animal baits and vegetable baits in different growth periods, and various ingredients can be combined better by mixing and adding Chinese herbal medicinal ingredients to the baits, such that the bait absorption speed and the growth speed of the crayfish can be effectively improved. A biological inhibitor prepared in the culture method can be used for not only effectively killing fungi and microbes in a water body, but also promoting the disease resistance of the crayfish.

The invention relates to the technical field of aquaculture, and in particular relates to a crayfish feed which is prepared from the following raw materials in parts by weight: 20-25 parts of corn flour, 12-15 parts of soybean cake, 5-6 parts of wheat middling, 8-10 parts of wheat bran, 3-4 fish intestine powder, 2-3 parts of clam worm powder, 3-4 parts of freshwater shrimp powder, 5-6 parts of fresh soybean milk, 4-5 parts of pondweed, 2-3 parts of bone meal, 3-4 parts of fermented duck blood powder, 5-6 parts of alternanthera philoxeroide stem and leaf, 4-5 parts of bread crumb, 2-3 parts of sleeve-fish powder, a proper amount of salt and 4-5 parts of phagostimulant. The feed provided by the invention is completely accordant with the omnivorous characteristics of crayfish and contains multiple high-quality protein raw materials, the palatability of the feed can be improved because of the fishy smell of the raw materials such as the fish intestine powder, the clam worm powder and the sleeve-fish powder, the food consumption of the crayfish is increased, the fed crayfish can grow and develop rapidly, the weight can be remarkably increased, and moreover, as the raw materials are all pure natural green raw materials, the problem of medicine residue is prevented, and the quality of crayfish is ensured.