Artificial reproduction of the snails should be collected in the adjacent spawning period of the wild physical fitness is better, the average shell length 6cm, male to female ratio of about 1:1. Stocking in a filter-sterilized spawning pond with a specific gravity of 1.018-1.022, a water temperature of 28-31°C, and a layer of 8cm sand on the bottom of the pond to keep the microfluidic water properly inflated. Residual bait. At the time of spawning, the snails clung to the wall of the pool, and the oocysts attached to the walls of the pool were milky white and connected together. The brown-brown fertilized eggs were visible through the capsule. The oocysts were collected and washed with filtered seawater to remove dirt. They were then sterilized and rinsed with povidone iodine. They were then placed in a 20-mesh cage and then soaked in a hatching tank filtered with 400 mesh seawater for incubation. In the seawater temperature of 28 ~ 31 °C, specific gravity 1.018 ~ 1.022, pool water micro-inflated micro-flow conditions, 5 days larvae can be film. After the larvae were released from the membranes, the hatching cages were removed and the floating larvae were collected using 200 μm nylon sieves. The larvae were washed with filtered seawater three times and placed in a culture pond for filtered seawater. The density of larvae was controlled at 10 to 200,000/m3. Each day, the algae and chlorella were alternately fed twice, and the daily feeding amount was 2104/mL. The newly hatched faceplate larvae have a transparent thin shell and a pair of wing-shaped faceplates that float towards the light. After 8 days of cultivation, the face plate gradually degraded, and the straw tentacle was seen, and the limbal membrane lobe was decapitated, and there was enough foot to swim near the bottom of the pool. Take fish out of the net and stir it in the large plate to induce it to slowly adhere to the sediment. Then add a 5cm fine sand seedling pool at the bottom. The attached pups are partially buried in the sand and remain stationary for most of the time.
Seedlings are cultured and metamorphosed. The young larvae are benthic crickets. The young larvae are stocked in a water nursery pond to buffer the buffer gas. The stocking density is generally 1 to 20,000 per m2, and the density is too high to climb away from the water surface, affecting growth and Survival rate. Always water the pool wall to avoid the death of the shellfish when it is overcrowded. In the process of seed breeding, if the lack of food will lead to self-mutilation, the excess of feed will make the water quality worse, so it is very important to grasp the reasonable amount of feed. The feeding rate increased with the increase of individuals from the feeding of the monocellular algae to the reconstructing of the fish. The feeding was performed twice a day in the early stage and once in the later stage until the feeding was completed. Be careful when fishing bait. Generally there are juveniles attached to the bait. In the breeding process, care should be taken to prevent ciliate damage.
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