A production equipment includes a substrate 2 placed inside and having a plurality of semiconductor elements 3 mounted thereon, and a resin molding mold 20 having a cavity 21. This invention provides a method of genotyping chickens which is useful for different breeds of chickens raised for meat and eggs. The drive pulse generator generates a drive pulse pattern having a plurality of drive signals generated sequentially. The cross-section of the face of the inner fitting portion located on the radial outside, and the cross-section of the face of the outer fitting portion located on the radial inside, are completely round with a constant circumferential curvature.