When I was young, I mainly ate small animals such as Daphnia, but also shrimp, crab and clam. Adult fish mainly eat benthic fish, mainly crustaceans, water worms, small fish and molluscs. But Chinese sturgeon can also eat some aquatic plants and water fleas. When it breeds and migrates to its original place, it will stop eating during spawning.
Under the condition of artificial propagation, Chinese sturgeon larvae began to eat when they reached 2.95 ~ 3. 12cm. The feeding contents are mainly aquatic chironomid larvae, oligochaetes, copepods, cladocera and so on. Young sturgeons feed on aquatic insects larvae and shrimps; Adult sturgeon can eat all kinds of feed fish food, such as grass carp, tilapia, silver carp, crucian carp and so on.
Under the research work of scientific feed preparation for Chinese sturgeon, China began to develop Guangyuan feed for Chinese sturgeon, and all kinds of Chinese sturgeons with good quality can eat mixed feed. From the beginning of feeding compound feed, it was found that the effect of earthworm-natural bait was much better than that of artificial compound bait for young sturgeon. However, for young and adult sturgeons, the development effect of compound feed is better than that of natural bait. When breeding Chinese sturgeon, we must pay attention to the feeding amount of the main food of Chinese sturgeon.
The main raw materials of sturgeon feed are: puffed soybean, imported fish oil, imported fish meal, multivitamins, yeast, organic chelated polymetallic ore, fish meal and so on. These raw materials will be inspected by professional chemists when they enter the factory, and will be accepted for use only after they are qualified, otherwise they will be rejected. Although the Chinese sturgeon is delicious, it is a precious fish species after all and has great research value. It has a long life and has been protected by the state. Therefore, if you encounter wild ones, you must not kill them indiscriminately.