Method for breeding thick-shell river snails
A technology for field snails and stone snails is applied in the breeding field of thick shell snails, which can solve the problems of inconvenient transportation and low survival rate, and achieve the effects of easy transportation, high survival rate, and simple and easy breeding process.
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Embodiment 1
[0033] A breeding method for thick-shell snails, comprising the following steps:
[0034] a. Construction of snail ponds: choose a place with sufficient water sources and fresh and clean water to build snail ponds, and set up anti-escape walls or fences around the snail ponds. The water depth of the snail ponds is within 80cm, the bottom of the pond is covered with silt, and straw is piled in the pond;
[0035] The water body in the snail pond is disinfected before breeding, and the water body is disinfected every 20 days during the breeding process.
[0036] b. Selection and stocking of parents: choose stone snails as the male parent and field snail as the female parent, and put them into the snail pool with a water temperature of 18°C at a ratio of 1:1, feed them with high-protein feed, and let the snails hybridize and reproduce by themselves. ;
[0037] Among them, the snail age of the stone snail is 8 months old and the body weight is 14g / piece; the snail age of the fie...
Embodiment 2
[0047] A breeding method for thick-shell snails, comprising the following steps:
[0048] a. Construction of snail ponds: choose a place with sufficient water source and fresh and clean water to build snail ponds, and set up anti-escape walls or fences around the snail ponds. The water depth of the snail ponds is 55 cm, the bottom of the pond is covered with silt, and straw is piled in the ponds;
[0049] The water body in the snail pond is disinfected before breeding, and the water body is disinfected every 32 days during the breeding process.
[0050] b. Selection and stocking of parents: choose stone snails as the male parent and field snail as the female parent, and put them into the snail pool with a water temperature of 25°C at a ratio of 1:5, feed them with high-protein feed, and let the snails hybridize and reproduce by themselves. ;
[0051] Among them, the snail age of the stone snail is 12 months old and the weight is 18g / piece; the snail age of the field snail is 12...
Embodiment 3
[0061] A breeding method for thick-shell snails, comprising the following steps:
[0062] a. Construction of snail pond: choose a place with sufficient water source and fresh and clean water to build snail pond, and set up anti-escape walls or fences around the snail pond. The water depth of the snail pond is 75cm, the bottom of the pond is covered with silt, and straw is piled in the pond;
[0063] The water body in the snail pond is disinfected before breeding, and the water body is disinfected every 23 days during the breeding process.
[0064] b. Selection and stocking of parents: choose stone snails as the male parent and field snail as the female parent, and put them into the snail pool with a water temperature of 19°C at a ratio of 1:2, feed them with high-protein feed, and let the snails hybridize and reproduce by themselves. ;
[0065] Among them, the snail age of the stone snail is 9 months old, and the body weight is 15g / piece; the snail age of the field snail is 9...
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