For external coating aquaculture, it is best to choose a location with 2-3 hours of exposure every day in the lower layer of the mid-tide zone to the low-tide zone; for mixed culture of shrimps and clams, the black mud at the bottom of the pond must be treated, and the bottom is preferably a mixture of soft mud and mud and sand. 2) Build a standard model clam field. For external coating aquaculture, whether it is cooked coating or raw coating, it must be turned over. Aquaculture should be chosen in the mid- and low-tide zones, in the inner bay or at the estuary, on flat and slightly inclined tidal flats. The tide must be smooth and the wind must be calm. It can also be cultured in ponds. Razor clams grow 30 centimeters below the sand layer, so the bottom quality requirements are relatively high. It is best to have a few centimeters of soft mud on the surface. The razor clams should be cultivated in areas with smooth tides. The external coating should be cultivated in the lower layer of the mid-tide zone to the low-tide zone. It is best to have two to three hours of exposure every day, so that it can still enter the water at the lowest tide. Razor clams, like clams, grow in the sand by the sea. The living environment is very clean. When harvesting, they also need to be dug in the sea sand. When cultivating razor clams, the salinity cannot exceed 10%, and the water temperature is about 20 degrees. During its growth process, it will adhere to some impurities in the environment, and the adhesion is relatively firm. Under normal circumstances, you can use a toothbrush to collect some salt water to brush it clean. But if it is visibly dirty with the naked eye, it is recommended to use a steel wool, which can quickly remove the dirt on the surface of the shell. Razor clams in the south can still survive for a period of time under 39C temperature conditions. The suitable water temperature for the growth of razor clams is 15-30C. Within this range, the higher the temperature, the faster the growth. The adaptability range of razor clams to relative density is 1.005-1.020. Within this range, a lower relative density is beneficial to the growth of razor clams. Raising clams in this clam pond saves labor, has high production and transportation volume, few enemies and good benefits. The output of one mu of clam pond can reach about 1,000 kg, and the highest can exceed 2,000 kg. The purchase price is 15 to 20 yuan per kg. Also known as Shengzi, bamboo locust, etc., this shellfish food is rectangular with pure round ends. It is mainly distributed in the north and south coasts of China. It is rich in nutrition and delicious. Razor clams are high-protein foods, which are beneficial to maintaining one's own immune function after consumption. It is important to choose a good temperature for the breeding environment. It must not be too dry, but moist. Clams like moist places. Also, the breeding place must be large, so that the quality of the clams can be better. It has very high requirements for the breeding environment, and also requires relatively good water quality, and also requires very sufficient oxygen, and therefore the water needs to be replaced in time, and ventilation must be done, and it is also necessary to choose some baits with nutritional value. The first thing is to choose a place with relatively clear water. Also, you need to ensure air circulation and sufficient oxygen inside the environment. Also, you need to feed these marine organisms in time and change the water in time. Choose a good site, try to choose a low tide area. Arrange the relevant clam fields. Master the relevant time, and then strengthen the management. It is best to plant seedlings in April every year. It is also a very profitable project. Then plough the land. Try to drain the water within three to four days. Check frequently to prevent some small animals from eating the clams. |
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