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What are they?
Cow magnets are popular with dairy farmers and veterinarians to help prevent Hardware Disease in their cattle. While grazing, cows eat everything from grass and dirt to nails, staples and bits of bailing wire (referred to as tramp iron). Tramp iron tends to lodge in the honeycombed walls of the recticulum, threatening the surrounding vital organs and causing irritation and inflammation, known as Hardware Disease. The cow loses her appetite and decreases her milk output (dairy cows), or her ability to gain weight (feeder stock). Cow magnets help prevent this disease by attracting stray metal from the folds and crevices of the rumen and recticulum. One magnet works for the life of the cow!
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Alnico Cow Magnets
This standard Alnico cow magnet has a magnetic pole on each end, and is perfect for a 3D demonstration of magnetic fields, similar to that produced by the earth. The cow magnet is stronger than bar magnets of equal size. It is also susceptible to demagnetization, as is all Alnico magnet material, which can be recharged with The Remagnetizer™. Ages 6 and up.
A. Part No. 07239 - 2 Alnico Cow Magnets, MSRP $9.90
Heavy Duty Cow Magnet
Patent No. 5128644
The heavy duty Ru-Master 5 cow magnet features a patented design of 5 powerful magnets strategically assembled with power-enhancing pole pieces for superior magnetic strength (see diagram below). This magnet does not disassemble. To view the model that does, check out the Moo Mag Kit™.
B. Part No. 07238 - Measures 3/4” dia. x 3-3/8” long. Made in U.S.A., MSRP $4.95
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