... Cow Magnet and NdFeB Cow MagnetGeneral Introduction 1, Alnico cow magnets, ndfeb cow magnets, ferrite cow magnets, ceramic cow magnets 2, Cow ... Disease to their cattle. 3, Alnico 5 cow magnet: It is non-toxic and non- ... dia. × 76.2mm long. Ceramic cow magnet: 1. Ceramic Cow Magnet is is made of Ceramic 5 ... × 69.85 mm long. 2. NdFeB cow magnet: NdFeB Cow Magnet is made from NdFeB magnet, and covered ...