Circulating water intensive breeding method for river crabs

• Main Authors: XU ZHENGCHAO, ZHOU GANG, LU QUANPING, ZHANG YAN, ZHOU JUN, DENG YANFEI, LI XUGUANG, SHI TUANJIE
• Format: Patent
• Language: Chinese; English
• Published: 22.03.2022
• Subjects: AGRICULTURE; ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; FORESTRY; HUMAN NECESSITIES; HUNTING; NEW BREEDS OF ANIMALS; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; TRAPPING

The invention provides a circulating water intensive culture method for river crabs, which comprises the following steps: constructing an intensive culture pond, putting crab seeds, snail seeds and fish seeds, culturing in the intensive culture pond by using a culture pond, an ecological ditch and a purification pond, planting waterweeds such as elodea nuttallii, vallisneria natans, alternanthera philoxeroides, eichhornia crassipes and hornwort in the intensive culture pond, a culture net cage is arranged in the culture pond, 200-300 river crabs are put into a single box body, and water quality management and feed feeding are carried out on the culture pond in the culture process. By taking the intensive culture net cage as a carrier and combining a circulating water purification technology, the yield of river crabs per unit area of the pond is greatly improved, meanwhile, the pond culture tail water is further purified, the pond culture environment is improved, and the economic benefits and ecological benefi