soft crab condo

20. How is the power and water consumption?

10 groups Crab House (1000 boxes) consume around 880 kilowatt hours every month not including cooler and heating machine. The total water consumption is about 5 tons in which 5 to 10% needs to be change everyday by discharging pollute water used for cleaning sand filter cylinder and supplying new water.

21,Dead crabs is toxic and can not be eaten and soft shell crabs are dead crabs Is soft shell crab toxic?

Crabs live in water feeding with dead fish and shrimp and other corruption animal bodies, which will make crab infect with certain bacteria in their bodies. Especially river crabs, they living in polluted rivers obtains a large number of bacteria inside and outside of their bodies. Live crabs can discharge the bacteria out of their bodies through metabolizing but once they were died, the bacteria inside the body will multiply and decompose crab meat and some bacteria is toxic. In addition, the crab body contains more histamine which is easy to be decomposed; especially the decomposition speed is quicker after crab died. The longer time crab died, the more histidine they have. When the number of histidine up to a certain level, it will cause people poisoned if they were eaten. The common symptoms are nausea, vomiting, abdominal pain and diarrhea; seriously with dehydration, electrolyte imbalance, convulsions and even shock, coma, and sepsis and so on.

But these soft shell crabs are quick-freeze in super low temperature when whey are alive (of course they are alive when shelling). It is the same like the crab is steamed when they are alive, that is to say, the bacteria in soft shell crab hasn’t been discharged when they are frozen. It is as safety as eating alive crabs.

Advantages of Crab House

1.preventing from killing each other

2.avoiding natural disaster

3. saving area of pool and land

4.protecting from natural enemy

5. fastening growth with separately breeding

6. controllable of growth cycle

7.providing good quality water

8. preventing from diseases