Four years ago, Dung in Cua Tung town (Vinh Linh district, Quang Tri province) began to learn how to raise commercial sea snails from other farms in the southern provinces. He then returned to his hometown to raise snails in his pond once used for shrimp.
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Snail eggs are collected from the tanks of parent snails.
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After the eggs are hatched into baby snails, the snails are moved to a nearby tank for breeding. It takes 45 days from the time the eggs hatch until they become standard seed snails.
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The breeding snail pond is lined with black canvas.
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Snails are fed mainly with fresh sea fish and shrimp.
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An Nhien - Anh Duc
Snail farm brings VND34 billion a year for Quang Tri farmer
Dung, the owner of a hotel, said he has a "treasure" hidden at the bottom of the pond which yields about VND34 billion a year.
Pig farmers become millionaires
Self-contained large-scale pig farms combined with fish farming and rice cultivation has brought tens of billions of VND, or $1 million each year, to Ninh Binh farmers.