Prevention and control of enemy damage of farmed toad

(1) Prevention and control of tadpole enemies. Enemy species carnivorous fish, turtles, shrimp, rice field eel, water snake, water centipede, leech, aquatic plankton and so on. In addition, big tadpoles eat small tadpoles, young toads and adult toads eat small tadpoles.

two。 Control method ① before releasing tadpoles, clean the pool and disinfect, or use a mesh-dense net to catch once ② water injection and drain filter with metal mesh or screen. ③ disinfect pond water regularly ④ tadpoles are stocked in separate ponds to remove ⑤ manually or use copper sulfate solution (0.70-1.4g per cubic meter of water) to kill filamentous aquatic algae. (2) Prevention and control of the enemy damage of young toads and adult toads 1. The enemy species are carnivorous fish, snakes, turtles, rodents, otters, leeches and some birds. Toads themselves can eat each other. 2. Prevention and treatment methods ① strengthens the fence isolation and protective facilities. ③ such as scaffolding or gauze net can be built over the ② farm for leeches. For leeches, every 667 square meters use leaf cicadas to disperse 400,500g, spray 50 liters of water, or spray 200L water to kill them. ④ cleaning pool disinfection. ⑤ injector and drain are equipped with strainer. ⑥ traps or traps rodents.