Freshwater Sumei, known as Bremen hernia, also known as Brahma tilapia, ten African, etc., originated in freshwater lakes and rivers in western Africa, was introduced into China as ornamental fish in the 1990s, and has a high penetration rate. Pond preparation and fish stocking Thoroughly clean the pond, disinfect with quicklime or bleaching powder, and inhale water two days later. After the toxicity of the water body disappears, fertilize the water to cultivate enough zooplankton for the species to feed. Restocking fry with a full length of 2-4 centimeters is appropriate, sunny upwind mouth put seedlings. 48 hours before stocking test water. Taming and Feeding The freshwater crust is small and timid and often lives in clusters. Therefore, it is difficult to taming the food in the early stage. First, soymilk was sprayed on a regular basis to attract the fry by attracting zooplankton, and a fixed feeding signal was given. Secondly, the extruded material with a particle size of 1 mm was given at a given point, and feeding signals were given until the fry were fed in groups. After the tame food is completed, it can be fed regularly at regular intervals, 2-3 times a day, feeding on 80% fullness. The feed needs more than 38% crude protein, and the feed particle size is adjusted according to the growth conditions. Precautions Freshwater Sumei belongs to the genus Tilapia. Therefore, it is necessary to prevent the damage of Streptococcus in the future. Tests have shown that the establishment of a certain amount of freshwater sharks can prevent streptococcus to some extent, but it is necessary to prevent freshwater sharks from infecting parasites. The control of water quality is still the primary method of disease control. Sustained-release chlorine preparations can be put into the aquaculture water regularly to control the pathogenic concentration of the water body below the pathogenic concentration. High Precision Distance Sensor Laser range sensors combine the advantages of a visible red sensing beam with the increased range of a laser. The optical distance sensor devices are Class 2 lasers, support Class 1 customized. The high precision autonics distance sensor is successfully be used to connect to Arduino, Raspberry Pi, with +-1mm to 3mm high accuray, and long-range solutions (max up to 150m) for your application. Precision Distance Sensor,Precision Laser Distance Sensor ,Precision Distance Sensor Laser,Accurate Laser Distance Sensor Chengdu JRT Meter Technology Co., Ltd , https://www.irdistancesensor.com