A few days ago, Zhou Yong and others from the Yangtze River Fisheries Research Institute of the Chinese Academy of Fishery Sciences applied for”a laboratory crayfish breeding shade device” which was authorized by the national invention patent. The patent number is:ZL 202020089746.5.
This patent provides a laboratory crayfish breeding shade device, including a shade box, observation feeding port and aeration device. According to the living habits of the crayfish, the device provides a dark activity space for the crayfish. Feeding through the feeding port, crayfish can eat in the dark environment they like. An aeration device is installed at the feeding port to ensure sufficient dissolved oxygen in the water, food is not perishable, and the water quality environment is stable, and reduce the death of crayfish due to stress response caused by changes in the breeding environment.