Current location - Recipe Complete Network - Complete recipe book - River shrimp farming technology
River shrimp farming technology

River shrimp aquaculture techniques are as follows:

1, choose the right pond, and clean up, choose an area of 3 to 5 acres, water depth of 1, 5 to 2, 5 meters, freshwater water sources, pollution-free, sandy bottom freshwater ponds or shrimp ponds are appropriate. In the bottom of the pool dug cross-shaped set of shrimp ditch, in order to prepare for the fall river shrimp harvest so that the shrimp set in the ditch, easy to pick up.

2, fertilization bait, shrimp fry 1 week before stocking, the use of 60 to 80 mesh sieve silk screen filtration, acres of basal fertilizer or urea to cultivate basic bait.

3, stocking shrimp fry, in the water temperature stabilized at 18 to 20 degrees Celsius when stocking shrimp fry.

4, feeding bait, shrimp fry in the pond within 1 month to the pond plankton for food, 1 month after feeding bait, supplemented by fresh fish, shellfish, etc..

5, water control and disease prevention, shrimp fry stocked 10 days later, gradually add water, 10 to 15 centimeters of water per week. High-temperature season every 2 to 3 days to change 20 to 30 centimeters of water.

6, harvesting, breeding 80 to 100 days, shrimp body length of 7 to 10 centimeters, can be fishing.

River shrimp

River shrimp alias: green shrimp, long arm shrimp family marsh shrimp arthropods. It is widely distributed in China's rivers, lakes, reservoirs and ponds. Its body shape is elongated, the whole body consists of two parts of the cephalothorax and abdomen, cephalothorax joints; by the thoracic or dorsal armor covering the dorsal side and sides, cephalothorax is thick, the back is gradually thin and narrow, the frontal horn is located in the center of the anterior part of the cephalothorax.

The upper margin is straight and pointed at the end, and the anterior end of the dorsal armor has a sword-like protuberance; the body has a hard outer shell, and the whole consists of 20 body segments. Long arm shrimp family animal green shrimp and other kinds of freshwater shrimp whole or meat. Distributed in freshwater lakes and rivers throughout the north and south of China. Obtained, washed fresh or sun-dried spare. Its large, can be steamed and sun-dried peeled with, also known as shrimp.