Shrimp farming according to CPF Combine model gives unexpected results in Vietnam

Mr. Tran Van Dung, Phan Hien village, Vinh Son commune, Vinh Linh district (Quang Tri) said that in early 2022, he invested more than 1.6 billion VND to convert nearly 2 hectares of water surface to shrimp farming under the CPF Combine model. . On the available land fund, he arranged 6 commercial farming ponds in the form of floating ponds with a total area of nearly 5,000 m2, the rest were wastewater treatment ponds, settling ponds and wastewater treatment systems. All ponds are designed in a circular shape, lined with canvas and covered with a roof. The aeration system is installed synchronously, reasonably and continuously to both provide enough oxygen for shrimp and collect waste in the pond into the treatment system. Shrimps brought to the farm are reared in a pond with an area of 150 m2, density of 1,600 shrimp/m2. After 20 days of rearing, shrimp reaching the size of 1,000/kg will be transferred to an area of 700 m2 with a density of 300 shrimp/m2. After 40 days of culture, ...