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Astragalus natural reproduction
Breeding options: Breeds can be selected from self-supporting ticks. In the breeding season from May to September, a large population of yellow clams is selected and placed in breeding ponds for breeding. If there are two or more batches of clams of different sizes, females can be selected from smaller clams. You can pick and choose among the larger cockroaches. Seedlings are released: The seedlings in the breeding pond should have an input density of 6 to 10 per square meter. Some short grass plants can be planted on the mud heap in the pool. Feeding of quail clams: After the clams enter the pond, they are generally not fed for the first two days, and a small amount of clams are bred on the third day to facilitate attracting. Feeding stations are all located near the water inlets. The feeding time can be 1 to 2 hours before dark. After feeding, open the inlet pipe so that the feed atmosphere spreads throughout the pool to attract the species. After eating jaundice, you can add other feeds as appropriate. Pay attention to the other feed in the pre-mixed basin, and place it for an hour so that the cockroach crawls in between, so that other feed stained with stench. Other feeds should be gradually increased. It is advisable that the amount of feed is not left over. It is found that there are residues that should be cleared the next morning. Spawning period management: 1. The completion of the production of ovaries: The completion of the production of ovaries means that spawning will take place in about 3 days. During this time, the visits of outsiders should be stopped and the input should be light. 2. The appearance of a bubble? Once a bubble appears in the hole, it shows that the aphid will spawn in about 1 day. 3. The female scorpion leaves the nest: If only one baboon probe is found to breathe at the hole, it means that the female owl has completed its spawning and has left. After another 5 to 6 days, the seedlings will be hatched. Harvesting seedlings: The hatchlings can be harvested within 5 days of hatching and cultured in ponds. The temperature of the water in the pool should be the same as the temperature of the seed pond (a difference of no more than 2 degrees). When using a small net bag made of gauze, the movement should be agile, so as not to affect the fishing seedlings due to the attacks of nursery species. Spawning species should be carefully fed, and a second spawning operation can be performed approximately 20 days later.