After the fall, the temperature gradually decreased, the amount of foraging and activity of the Astragalus also gradually weakened, and it is necessary to maximize the growth of Astragalus, increase Aphid, fattening, ensure a safe winter, in order to ensure the high yield of Astragalus in the coming year, so we must grasp the management of Astragalus autumn and winter.
Reasonable capture: The squid in the culture pond should be captured once. This will not only increase the income, but also prepare the scutellaria species. Catching should be done to catch large and small, catch less old people, keep disease and keep health, and avoid old squid for breeding, because young squid have strong fertility, spawning, and old squid do not lay eggs.
Do a good job of fattening in autumn and winter: Astragalus is a semi-hibernating aquatic animal. When the temperature is lower than 15°C, it will not eat, and it will enter the hibernation with a weak breath. Therefore, after the fall, we need to feed some of the high-fat feeds such as animal waste, cocoons, cockroaches, and fly maggots to allow them to accumulate fat and meet the energy consumption of the winter eel. At the same time, we insist on daily patrol pools to observe the feeding, growth, and disease occurrence of Astragalus membranaceus, pay attention to changes in water quality, change new water frequently, and add new water once a week.
Do a good job of protecting the winter: After entering the winter, in places where water is not convenient, the pool should be drained to keep the pool wet and covered with plastic mesh to prevent predation by predators. In the harsh winter, a layer of straw shall be placed on the surface of the pool for insulation and antifreeze. In places with good water conditions, deep water overwintering method can be used to keep the pool water 50~70cm. Put some water plants, duckweed, etc. on the water surface. When the ice is frozen, knock open the ice to breathe to keep the oxygen content of the pool water.
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