Adult shrimp culture technology of Penaeus monodon
2, shrimp pond construction The shrimp pond should be built in a rectangular shape, with the length-to-width ratio 5: 1-8: 1.0-1.5 meters. You can also dig trenches 5 wide and 2 deep 2 meters around and in the middle of the pond to provide shelter for Penaeus monodon when the water temperature exceeds 35℃ in summer. (1)Tea seed cake: The dosage is 15 grams per ton of water. Quicklime is used in shrimp ponds with low pH values. It can not only poison and kill harmful organisms, but also adjust the pH value of the shrimp ponds. Fertilize once 3-5 days in the early stage, and once 7-10 days later. 2. Before releasing seedlings, it is necessary to measure the water temperature and salinity of the breeding pond to avoid death due to a large difference between the water temperature and salinity of the nursery pond. 3. The prerequisite for successful shrimp farming is to stock healthy and lively shrimp larvae. Here are several methods for purchasing shrimp larvae. For the shrimp seedlings to be sampled and inspected above, it is advisable to take the seedlings from the aeration holes instead of the seedlings around the nursery pond, because healthy seedlings usually cling to the edge of the pool, while some weak ones float around the aeration holes. Therefore, if the seedlings around the aeration holes are healthy, the vitality of the seedlings in the pond should be relatively good. 2, daily feeding amount of shrimp, generally speaking, if fed with natural feed such as miscellaneous fish and shrimp, the average body weight0.2-2 grams, feed about 10%; for prawns with an average weight of 30 grams or more, feed 4%-5% of the body weight. After the shrimp seedlings are stocked, when to start feeding mainly depends on the natural feed in the shrimp pond. Transparency can be used as a criterion for observing water quality. 2, adjusting salinity In places with sufficient fresh water sources, in order to make Penaeus monodon grow quickly and comfortably, the salinity should be adjusted according to the different growth stages of the shrimp.