Natural spawning
Place the incubator in the spawning pool. When the water temperature rises to above 18°C, disinfected browns, willow roots, water grass, etc. are placed in the pool as fish nests. After the muddy spawning was found, the nests with eggs were transferred to hatching ponds, and they were placed in new fish nests until they were spawned again. Fertilized egg hatching does not require high water temperature and water quality. Normal breeding water can be hatched. The optimum water temperature is 20°C~28°C. About 2 days or so, the fish can produce a film.
Artificial oxytocin
When the temperature is appropriate from April to May, it will be picked up by the relatives. The abdomen will be soft and the color will be slightly pink. The broodstock near the sign of spawning will have a body length of 12 centimeters and a weight of 20 grams or more, preferably about 40 grams. The individual undergoes drug elicitment. At its dose, PG1 or LRH-A5-10 micrograms of PG1 or LRH can be used for each female. The spawning progeny is then placed in a spawning pool and allowed to spawn or fertilize on its own. Finally, the nest of the fertilized eggs is hatched into the hatchery. This method can obtain seedlings on a timely and large scale and in a planned manner.
Release breeding
This is the easiest way to reproduce. That is, put appropriate amount of mature loach in the rearing water body, but it is not possible to stock other fish first, place some artificial fish nests in the breeding season, spawn in the breeding ponds, and hatch in the original ponds. The seedlings can be cultivated in small boxes, and then still Feeded in the original pool.
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