River crabs do not recognize their owners because their IQ is very low and cannot recognize their owners. They also have no emotions, so they will not interact with their owners. Although the river crab does not recognize its owner, feeding it every day will make it form a conditioned reflex. After raising a river crab for a long time, although it is no longer resistant to its owner, it will not become dependent on the owner.

Cultivation methods of river crabs

1. It is generally advisable to build a pond in a place with convenient drainage, sufficient water source, and good water quality, and reasonably plant some aquatic plants in the pond. , such as water hyacinth, water lotus and other types, and at the same time, anti-escape measures must be taken.

2. Before releasing seedlings, it is necessary to use quicklime to clear the pond and disinfect it, and it is also necessary to fertilize reasonably to cultivate algae and basic bait. The transparency of the pond is generally 40-50cm.

3. It is necessary to select crabs with strong physiques, active crawling and no injuries and diseases for stocking, and the breeding density also needs to be reasonably controlled.

4. When feeding, you can generally feed snails, mussels, livestock and poultry blood, water peanuts, Vallisneria, cereals, bran, bran and other foods.

5. If tadpoles and frog eggs are found in the pond, they need to be removed promptly to avoid affecting the growth of crabs.

6. When feeding, it is necessary to achieve timing, fixed point, quantitative and qualitative, and the feeding amount should be reasonably adjusted according to the weather. For example, when the weather is fine, you can feed more appropriately, and It is necessary to feed less appropriately on rainy days.

7. During management, it is necessary to change the water frequently and reasonably, while maintaining a stable water level. In spring, the water can generally be changed once a week, and in summer, the water can generally be changed once every 3 days. It should be noted that if you encounter sustained high temperature weather, you can generally insist on changing the water every day.