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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!

Magnetic Alnico Magnets
Cow Magnets
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CP-6 Cow magnets

Cow Magnet

Part No. #CP-6         
Price: $2.99 /pc.  

Patent # 7,557,685 - For Organic Dairy Cows and Organic Beef Cows
Ceramic 10CM Cow Magnet & With Healthy Minerals.

Ingredients: Iron (Fe) 97%, Strontium (Sr) 1%, Calcium (Ca) 1%, Copper (Cu) and trace elements 1%, proprietary chelation.
Magnet Power: 5.5 pounds pull (more than Alnico)
Size: 3” long x .625” diameter
Part Number: CP-6

25 pcs
50 pcs
144 pcs
500 pcs
1000 pcs
2500 pcs
5000 pcs
$2.54 /pc
$1.79 /pc
$1.45 /pc
$1.19 /pc

Call 800-262-4638 or Email to order at best price... FOB ANAHEIM


How does the Ceramic 10CM cow magnet  compare to traditional Alnico cow magnets?

  1. TOXICITY: Would you give your cow water or feed that was 8-12% Nickel and Aluminum? Alnico is 8-12% Aluminum. Aluminum is TOXIC according to  
  2. MAGNET POWER: Alnico magnets demagnetize over 5 years losing 20-40% magnetic strength. Ceramic 10CM is 100% guaranteed for 30 years, to work stronger and longer than traditional Alnico cow magnets (without the toxic Aluminum). Then it will dissolve into a healthy mineral supplement over the last 10 years.
  3. COST: Ceramic10CM costs 20-40% less $$.$$ less than AlNiCo. Ceramic 10CM also lasts 25 years longer.

Link to ToxFaqs: ( and Prop 65 (

Patented Ru-Magneter 5
The patented design of the RU-MASTER 5 improves upon the quality and longevity of the original heavy duty rumen magnet. In comparison, the RU-MASTER 5 is:

DURABLE - Its durable structure boasts plated, solid steel end caps for corrosion prevention and a solid steel connector rod through the core, to reduce breakage in shipping and handling. No plastic parts involved!

STRONGER - Magnetization before assembly creates a consistent pulling force from each section along the length of the magnet, and enhances its overall strength.

SUPERIOR - Characteristically, the RU-MASTER 5 has rounder ends and is slightly heavier than the original heavy duty cow magnet. These qualities make it easier for the magnet to travel to its destination and stay there.

Patented design features five powerful magnets strategically assembled with power-enhancing pole pieces for superior magnetic strength. Tramp iron is aligned along the length of the magnet

Part No. #RUM-5         
Price: $4.95 /ea.  

Alnico 5 Cow magnets

This is the standard, cast Alnico 5 cow magnet with the bright, metal finish that has been the favorite of dairymen and veterinarians for nearly 30 years. It is non-toxic and non-corrosive in use

Part No. #DMCP-5 (bulk)        Price: $8.95 /pc..

Part No. 07239          Price: $17.49/pk.

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