Astragalus, also known as squid, long fish, scaleless oyster, frogfish, etc., is one of the main freshwater economic fishes. Astragalus has a delicate flesh, delicious taste, high nutritional value, and nourishing body and medicinal functions.
I. Preparation before stocking
Before restocking, clear the pond, thoroughly disinfect it with quicklime 2-3 weeks ahead, and add fresh water 3-4 days before planting the earthworm to control the water depth at 15-30 cm.
Second, the choice of species
Strict selection of specifications is best for 30 to 40 tails per kilogram, which requires a robust body and no damage to the body surface.
Third, stocking time and density
The species is mainly spring-based, and the stocking rate is as high as 5 kg per square meter. Before stocking, it can be disinfected with 4% salt water to kill germs and parasites.
Fourth, feed feeding
In the first three days after entering the pool, no feed was fed to adapt to the pond's living environment. When eating, try to imitate the natural feeding habits and feed in the evening. Feeding methods strictly abide by the "four principles" principle
V. Feeding management
1ã€Control water quality, stabilize water level 2, prevent heatstroke, prevent cold 3, prevent escape
Six, disease prevention
1. When purchasing and fishing, pay attention to the operation and avoid injury.
2. Before the stocking is done, make a disinfection in Dianchi Lake and clear the pond with lime or bleaching powder;
3. Carry out disinfection before stocking;
4, pay attention to water temperature and water quality control in feeding and management, strict implementation of "four definite" feeding principle.
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