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Summary of What You Need to Know About Snail Breeding Techniques

Snails are an aquatic species with high economic value, which is very popular both domestically and for export. Snails on the market are considered high-class aquatic products. The selling price is much higher than other aquatic species. Therefore, the current snail farming industry is expanding and the interest level is getting higher and higher. So where is snail farming techniques that farmers need most? The topic will be revealed in the article below.

Snails are aquatic products that bring high income for farmers
Snails are aquatic products that bring high income for farmers

Preparing to raise snails

The average cage area is from 1-4m2. The cage/post is made of sturdy material, the netting around it prevents snails from crawling out as well as other creatures entering and harming the snails. Farming posts must be inserted at least 10cm deep under the bottom sand layer to prevent snails from coming out and at least 1m higher than the tide level to avoid being hit by waves. The cage needs to be buried about 5cm deep under the sand layer to have a sandy foundation for the snails to bury themselves in. The distance between cages/posts is about 6.2m.

Ponds are often chosen near the sea, clear and clean water. The salinity is 25-35 parts per thousand and stable, the water source is not affected by fresh water due to the impact of river water in the rainy season or domestic water source. The pond has a solid bank, with a net around it to prevent snails from crawling onto the pond. The pond depth is from 0.8 – 1.5m, with a convenient water supply and drainage system, ensuring a stable water temperature.

Pond preparation: Clean the pond, kill pests such as crabs and crabs by hand, do not use chemicals because snails are more sensitive than shrimp. There must be a net at the culvert when collecting water to prevent bad fish and crabs from entering the pond to eat the baby snails.

The cement tank must be covered with a net, avoiding light so that the temperature does not exceed 32oC, the wall of the tank is glossy, the bottom has a slope towards the drain. The bottom of the tank is lined with a layer of fine sand, too little sand will not be enough for snails to bury themselves. On heavy rainy days, it is necessary to discharge the surface water and keep the salinity from falling too low, the water level of the aquarium should be kept from 50-80cm, too deep will cause difficulties in care and management. Filter the water thoroughly before putting it in the tank.

Release snails

Select varieties of snails at reputable seed production facilities, quality assurance, and quarantined varieties. To the naked eye, the snail size is relatively uniform, the color is bright, the veins are dark brown, the shell is intact, the snail is not swollen. The average size is 0.05g/head, about 8000-10000/kg. If stocking is too small, it will be very wasteful. Stocking density is from 500-1000 fish/m2.

When choosing the same snail, you should look for reputable establishments
When choosing the same snail, you should look for reputable establishments

It is necessary to have a period of getting used to the snails to gradually adapt to the temperature of the water and the air, avoiding the phenomenon of heat shock for the snails.

Snail care

Feed trash fish, small crustaceans or mussels. Depending on the age that needs to be prepared food, the first stage needs to be chopped trash fish; Clams and crustaceans need to be shelled and washed. Snails are usually fed twice a day in the small stage and usually once when the snails are large in the evening.

Regularly monitor the amount of food to make appropriate adjustments to avoid too much pollution. The amount of feed depends on the size and time of rearing (usually 5-10% of body weight), feeding should be spread evenly throughout the tank.

During the rearing process, it is also necessary to supplement vitamins and essential natural minerals Kemix for snails to thrive and prevent diseases caused by micronutrient deficiencies. Add 3-5g/1kg of feed.

Manage

Cage farming / posting needs to regularly check the cage / post to promptly handle problems such as tearing the net, too much dirt affecting the snails.

For pond culture, it is necessary to regularly change water to create a clean environment for snails to develop and to limit some diseases.

Every morning, it is necessary to remove all leftovers from the cement tank before changing the water. Change the water from 50-70% of the water in the culture tank every day, periodically wash the bottom when the bottom of the pond has a bad smell and the snails don’t eat. In case the bottom of the tank is too dirty, it is necessary to switch to a new tank.

Harvest

Also depending on the conditions and farming environment, the time to harvest may vary. Average 4-6 months. The commercial harvest size is from 90-150 heads/kg. The average survival rate and size were 73.9% and 8.7g/head (115 fish/kg, respectively).

On average, after 5 - 6 months of farming, snails can be harvested
On average, after 5 – 6 months of farming, snails can be harvested

Snails raised in the post are harvested by trapping or diving. Breeding in a harvest cage by lifting the cage and then picking up the snails. Ponds or tanks can be drained, then pick up snails or scratch them with tools. Clean the mud and whiten the shell before export

Snails farming is now increasingly interested and expanded. Therefore, depending on the conditions of the farming area and economic ability, choose the appropriate farming model to gain more profits and contribute to the further development of Vietnam’s seafood industry.

Emilia Chaney
Emilia Chaneyhttps://agrisearch.net
My name is Emilia Chaney. I'm a social girl from Romania with a big smile and 3 passions: Agriculture, Travel and Social Media. I try to make this blog practical, full of great advice and inspiring ideas.

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