1, pond conditions
Shrimp culture is conditional on ponds. Generally, it is best to choose a pond with a water depth of 3-5 mu 15-25m, rich fresh water sources, no pollution and sandy bottom. A week before shrimp culture, decomposed fertilizer should be applied in the pond to cultivate the basic bait needed by shrimp.
2. Feeding conditions
Shrimp does not need to be fed within one month after entering the pond. At this time, shrimp can rely on plankton in the pond for food. After a month, they should be fed fresh fish and shellfish, which can be fed 2-3 times a day. The habit of river shrimp is to lie down during the day and go out at night, so the dosage is 65,438+0/3 during the day and 2/3 at night.
3, regular cleaning
When cultivating green shrimp, you can also clean the shrimp pond regularly for shrimp to eat. First of all, the water at the bottom of the shrimp pond can be properly stirred with a wooden stick to discharge the toxic gas fermented in the water. You can also regularly sprinkle harmless shrimp sterilization powder into the shrimp pond to prevent bacteria from breeding in the water and affecting the growth of freshwater shrimp.
Species of freshwater shrimp
1, Macrobrachium nipponense
Macrobrachium nipponense is commonly known as river shrimp in daily life. This kind of shrimp is widely distributed in Asia. Almost all fresh water areas in China have signs of breeding, especially in the Yangtze River and South China, among which Macrobrachium nipponense in Taihu Lake, Dongting Lake and Chaohu Lake is the most famous.
2. Shrimp
Macrobrachium nipponense is a kind of Macrobrachium nipponense. Although its number is not as large as that of Macrobrachium nipponense, it is larger than that of Macrobrachium nipponense, and it can tolerate not only fresh water but also seawater. It is distributed in all fresh water areas in China, especially Baiyangdian Lake in Hebei and Taihu Lake in Jiangsu.
3. Australian lobster
Australian lobster originated in Australia and is cultivated in the United States, Africa, New Zealand and South Asia. High yield, fast growth, strong tolerance, and can adapt to air map transportation. Huge, fiery red and delicious, it is the freshwater lobster with the largest output and the largest demand in China market.