Vietnam: Raising special snails, farmers in Quang Tri farmers develop stable aquaculture

Published 2021년 11월 27일

Tridge summary

A new aquaculture model in Quang Tri, Vietnam, is aiming to stabilize and sustain sand-based shrimp farming by introducing snail rearing. The model, which is supported by the Quang Tri Agricultural Extension Center, has seen success with a household raising 600,000 snails, achieving over 70% survival rate and high product value. The snails are initially reared in tanks for easier management before being transferred to grow-out ponds. The model also includes a system for treating wastewater from snail farming, which is used to raise mullet. Despite the initial high investment cost and the need for a consistent food source, the model offers a simple, sustainable, and environmentally friendly way to farm, without using chemicals or antibiotics.

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Original content

This is the basis for replicating the model in order to develop stable and sustainable aquaculture on sand, increasing income for people in coastal rural areas. Phan Van Phuong, deputy director of the Quang Tri Agricultural Extension Center, said that the province currently has nearly 500 hectares of whiteleg shrimp farming, mainly concentrated in coastal communes. However, in recent years, the income from shrimp farming has been unstable and tends to decrease due to the unsatisfactory quality of the seed, the declining farming environment, the continuous occurrence of diseases causing economic losses. economic benefits for farmers, leading to many abandoned areas. In which, Quang Tri Agricultural Extension Center supports 70% of the cost of snail seed and food. The new feature of the model is that in the first stage of rearing, snails are reared in round tanks. After 3 months of rearing in the tank, the snails were distributed to grow-out ponds. In addition, wastewater from snail ...

Source: Danviet