Pig breeding pigsty convenient to assemble

The utility model relates to the technical field of pig breeding, and discloses a pig breeding pigsty convenient to assemble, which comprises pig railing bodies, a butt joint assembly is arranged between every two adjacent pig railing bodies, the pig railing bodies are surrounded by a circle through the butt joint assemblies, the bottom of each pig railing body is provided with an adjusting groove, and the adjusting grooves are arranged in the pig railing bodies. Moving wheel devices capable of contracting inwards and outwards are arranged in the adjusting grooves, the top of each pig railing body is provided with a storage groove matched with the cross section of the corresponding adjusting groove, and the storage grooves and the adjusting grooves are provided with limiting assemblies capable of being movably installed up and down. According to the pigsty handrail, the butt-joint assemblies are matched with the moving wheel devices, a plurality of pigsty handrail bodies can be enclosed into a circle accordin