Dam Doi is the district with the largest aquaculture area in the province with more than 62,000 hectares, however, due to many factors, it has affected people's production. Therefore, in recent times, farmers in the district have innovated, created and succeeded with many effective production models, including many new initiatives and good practices that have been and are being replicated by the district.
Currently, the district has an intensive shrimp farming area of 50 hectares with 155 farming households, and a super-intensive shrimp farming area (STC) of more than 1,542 hectares with more than 2,006 farming households. Compared to before, the STC shrimp farming area has developed quite rapidly, because of the high economic efficiency, averaging 25-30 tons/ha/crop.
Mr. Pham Minh Dien, Nam Chanh Hamlet, Ngoc Chanh Commune, has been raising STC shrimp for nearly 3 years now, said: "With more than 20,000 m2 of production land, I plan to use 12,000 m2, of which I invest in 4 ponds, each pond is 800 m2, the rest is used as storage ponds and discharge ponds. Each year, I raise 2 crops, each time releasing 300,000 shrimp larvae worth over 45 million VND, with a stocking density of 100 shrimp/m2. In 2024 alone, my family will harvest over 20 tons of shrimp, reaching 20-50 shrimp/kg, selling price from 100-150 thousand VND/kg, profit of over 500 million VND".
Mr. Dien has been raising shrimp in 2 ponds for over 2.5 months, the shrimp are growing well, reaching a weight of 45 shrimp/kg. He plans to raise 30 shrimp/kg for harvest. Mr. Dien shared his experience: “You have to invest properly, fully in all items from electricity to fans, oxygen... Besides, you need to choose good breeds, carefully check the water quality. In addition, I also proactively treat shrimp diseases with different measures and methods, thanks to the research I have done during the raising process, so the initial results are effective.”
In addition to the STC shrimp farming model, farmers in the district also implement many technically improved shrimp farming models such as: improved extensive shrimp farming with high productivity; shrimp farming with little water change combined with off-season pond drying, using microorganisms, this is one of the models that brings quite high economic efficiency to farmers.
Mr. Trinh Hoang Nghia (right cover) shares his experience in shrimp farming.
After a period of ineffective traditional shrimp farming, Mr. Trinh Hoang Nghia, Tan Thanh hamlet, Tan Duyet commune, switched to improved extensive shrimp farming in 2 stages for more than 2 years. With 2.2 hectares, each month he releases 20-30 thousand shrimp fry once. When caught, the shrimp reach post size 10, 11, then wait for about 10 days, the shrimp reach post size 18, 20, then release them into the farming square, the shrimp reach more than 90% compared to traditional farming. Each month he sets traps to catch 2 tides, about 50-60 kg of shrimp, the shrimp reach a weight of 20-16 shrimp/kg.
He mainly sells live tiger prawns, so the price of shrimp is about 320,000 VND/kg/16 shrimp, each month Mr. Nghia earns over 20 million VND. When the water level is low, he adds surface water, uses microorganisms to stabilize the environment, and creates natural food for the farm. In addition, each month he releases about 1,000 crabs, earning over 5 million VND/month from crabs.
Mr. Nghia shared: “In the past, shrimp farming was favorable, but recently the water source has been polluted so the efficiency is not high, so the family decided to switch to farming with less water change. The model has brought positive results, economic life is more stable than before. The family will maintain this model in the future”./.
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Source: https://baocamau.vn/doi-moi-de-nuoi-tom-hieu-qua-a38010.html
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