The white shrimp of South America is commonly known as “Taozi shrimp†and has the characteristics of rapid growth, good taste, and high profitability. In Baimen Town, Doumen County, the trial was introduced in recent years and success was achieved. The main points of its breeding technology are summarized as follows:
I. Biological characteristics: The shrimp is native to Niguadora in South America and is the main cultured species in South America. My country introduced aquaculture from the Americas in 1988.
1. Morphology: The shrimp is similar to China's shrimp (base shrimp), and its body has no markings. Its body length is 12-19 cm, and it can reach 24 cm at the most, weighing over 100 grams.
2. Water quality: In the earlier period, a large amount of microorganisms were used as opening materials for fertilizers, and robust shrimps were cultivated. The acidity (pH) requirement was maintained at 7.8-8.2, and the acid and alkali requirements were more stringent. Water above 9 and below 7 was used. Stay for 3 hours and begin to die. 3. Salinity: It is a broad-salinity shrimp with a seedling stage of 3 ‰ to 5 ‰ (the seedling stage) and medium-term 1 ‰ to 2 ‰. It can be completely diluted in the later period.
4. Water temperature: 8 ~ 40 °C can survive, but the most suitable water temperature 25 ~ 28 °C.
5. Feeding habits: The food is miscellaneous, but the middle-aged shrimp is more gluttonous and prone to gastrointestinal problems. Therefore, it is necessary to feed less frequently during the middle and late periods. It is required that the diet contain animal protein 25-28, and the seedling period requires a slightly higher point.
6. Habits: seedlings do not have day and night activities, late in the middle and late foraging, so feed the amount of feed in the middle and late period accounted for 60% of the night.
7. Growth period: Generally, the seedlings can be harvested from the seedlings to the big ponds for 70-80 days. The product specifications can reach 60-80 tails/kg, so it can raise 2 to 3 years in one year.
Second, the clear pond poison pond: thoroughly clear the pond, clean the silt, exposure to 20 to 30 days, and then release water fire pool 60 to 80 cm, according to Roche shrimp poison pond, the wild fish shrimp poisoned, and then use C10_2 appropriate plus A large concentration of disinfectant sprinkling is used to kill the virus bacteria.
Three, fertilization water Fangmiao: disinfection on the fourth day, per acre with peanut bran 2 to 3 kilograms and EM liquid or green Zhen 2 or Li Sheng Su (according to the instructions), add water for 8 to 10 hours, and then uniform in the pond Spill, make the pond water into mung bean green or yellow-green, microbial reproduction, so that the shrimp pond water to maintain transparency 30 to 40 cm, to ensure that there is enough microbial feed, and then use the cultured shrimp seedlings after 24 hours to test the non-toxic can be put seedling.
Drilling of deep-water wells
1. Drilling wells extract water into shrimp ponds for 20 days, add oxygen for 0.3 to 1 hour per day and sunlight weathering, so that ammonia, nitrogen, hydrogen sulfide, and minerals can be used in some parts of the shrimp ponds. Only 24 hours of dead shrimp can be planted.
2. Do not try to drain the pond after putting it to the deep pond to adjust the salinity. The water that has not been treated by weathering, oxygenation, or storm gas treatment contains many toxic substances, which is not conducive to the growth of the shrimp. Poisoning died. Therefore, it is necessary to have spare time and treat it before it can be used.
3. The regular application of the above-mentioned probiotics can eliminate some toxic substances in the water to maintain the ecological balance of the microorganisms in the water and reduce stress.
I. Biological characteristics: The shrimp is native to Niguadora in South America and is the main cultured species in South America. My country introduced aquaculture from the Americas in 1988.
1. Morphology: The shrimp is similar to China's shrimp (base shrimp), and its body has no markings. Its body length is 12-19 cm, and it can reach 24 cm at the most, weighing over 100 grams.
2. Water quality: In the earlier period, a large amount of microorganisms were used as opening materials for fertilizers, and robust shrimps were cultivated. The acidity (pH) requirement was maintained at 7.8-8.2, and the acid and alkali requirements were more stringent. Water above 9 and below 7 was used. Stay for 3 hours and begin to die. 3. Salinity: It is a broad-salinity shrimp with a seedling stage of 3 ‰ to 5 ‰ (the seedling stage) and medium-term 1 ‰ to 2 ‰. It can be completely diluted in the later period.
4. Water temperature: 8 ~ 40 °C can survive, but the most suitable water temperature 25 ~ 28 °C.
5. Feeding habits: The food is miscellaneous, but the middle-aged shrimp is more gluttonous and prone to gastrointestinal problems. Therefore, it is necessary to feed less frequently during the middle and late periods. It is required that the diet contain animal protein 25-28, and the seedling period requires a slightly higher point.
6. Habits: seedlings do not have day and night activities, late in the middle and late foraging, so feed the amount of feed in the middle and late period accounted for 60% of the night.
7. Growth period: Generally, the seedlings can be harvested from the seedlings to the big ponds for 70-80 days. The product specifications can reach 60-80 tails/kg, so it can raise 2 to 3 years in one year.
Second, the clear pond poison pond: thoroughly clear the pond, clean the silt, exposure to 20 to 30 days, and then release water fire pool 60 to 80 cm, according to Roche shrimp poison pond, the wild fish shrimp poisoned, and then use C10_2 appropriate plus A large concentration of disinfectant sprinkling is used to kill the virus bacteria.
Three, fertilization water Fangmiao: disinfection on the fourth day, per acre with peanut bran 2 to 3 kilograms and EM liquid or green Zhen 2 or Li Sheng Su (according to the instructions), add water for 8 to 10 hours, and then uniform in the pond Spill, make the pond water into mung bean green or yellow-green, microbial reproduction, so that the shrimp pond water to maintain transparency 30 to 40 cm, to ensure that there is enough microbial feed, and then use the cultured shrimp seedlings after 24 hours to test the non-toxic can be put seedling.
Drilling of deep-water wells
1. Drilling wells extract water into shrimp ponds for 20 days, add oxygen for 0.3 to 1 hour per day and sunlight weathering, so that ammonia, nitrogen, hydrogen sulfide, and minerals can be used in some parts of the shrimp ponds. Only 24 hours of dead shrimp can be planted.
2. Do not try to drain the pond after putting it to the deep pond to adjust the salinity. The water that has not been treated by weathering, oxygenation, or storm gas treatment contains many toxic substances, which is not conducive to the growth of the shrimp. Poisoning died. Therefore, it is necessary to have spare time and treat it before it can be used.
3. The regular application of the above-mentioned probiotics can eliminate some toxic substances in the water to maintain the ecological balance of the microorganisms in the water and reduce stress.
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