Magnets can help prevent hardware disease in cattle herds
High Quality Veterinary Cow Stomach Magnet Cow Magnet - China Cow Magnet and Magnet
Cow magnet - Bovivet 10 pack - Farmacy
Cow Magnets
Cow Magnet (Pair) - SE-7722 - Products | PASCO
The Wife of a Dairyman ~ Churned in Cali: How a Magnet Can Save a Cow's Life
Magnetic Cow Magnets
Amazon.com: Master Magnetics COW-RUM5CX3BX Cow Magnet, Ultimate Heavy Duty Ru-Master 5, Steel Ring and Ferrite, 0.75" Diameter, 3.375" Length, Black and Silver (Pack of 3) : Industrial & Scientific
Heavy-Duty Ru-Master 5™ Cow Magnet
Heavy Duty Ceramic Alnico Cow Magnets | Master Magnetics