Sow backfat detection device convenient for precise nutrition management of sow

The utility model discloses a sow backfat detection device convenient for accurate nutrition management of sows in the technical field of animal living body inspection. The sow backfat detection device comprises a control device and a fat detection device which are electrically connected with each other, second baffles are arranged on the two sides of the fat measuring device in the width direction, and the second baffles are fixedly connected with the fat measuring device; connecting columns are fixedly connected to the second baffles, connecting rods are arranged on the connecting columns in the vertical direction, the two ends of the connecting rods are fixedly connected with the connecting columns, blocking rods are arranged on the connecting rods, one sides of the blocking rods are rotationally matched with the connecting rods, radar sensors are arranged in the connecting columns, and the radar sensors are electrically connected with the controller. Supporting tables are arranged on the two sides of the