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AlNiCo Cow Magnet Description

The Alnico cow magnet is composed of aluminum-nickel-cobalt with excellent temperature stability and high residual inductance.

AlNiCo Cow Magnet Specification

Product Name
Alnico cow magnets
Working Temperature
500°C for Alnico
Magnet+ Small Carton+Greed Foam+Iron + Big Carton
For Cow

Stanford Magnets specializes in manufacturing and supplying AlNiCo cow magnets applied in various industrial applications. We have advanced technology, rich experience, and professional engineering technicians in this field. If you require a specific size, please contact us for a quote.


What is an Alnico cow magnet?
An Alnico cow magnet is made from an alloy of Aluminum (Al), Nickel (Ni), and Cobalt (Co), sometimes including Copper (Cu) and often Titanium (Ti). Designed for veterinary use, these magnets are strong enough to attract and hold ferrous metal objects the cow may ingest.
How do Alnico cow magnets work?
Once administered orally to a cow, the magnet settles in the reticulum, one of the four chambers of a cow's stomach. The magnet attracts metal objects ingested by the cow, preventing these objects from penetrating the stomach wall and causing infection or injury.
Why use Alnico for cow magnets?
Alnico is chosen for its durability, corrosion resistance, and the ability to produce a strong magnetic field. These properties are essential for a magnet that will spend a long time in the harsh, acidic environment of a cow's stomach.
How are Alnico cow magnets administered?
Cow magnets are typically administered to cows using a balling gun, a device that ensures the magnet is swallowed safely and reaches the reticulum.
Can Alnico cow magnets be reused?
While technically it might be possible to clean and reuse a cow magnet, this practice is not recommended due to health and safety concerns. Each cow should be given a new, sterile magnet to prevent the transmission of diseases.
Are there different types of cow magnets?
Yes, besides Alnico cow magnets, there are also cow magnets made from other materials like ceramic (ferrite) or even rare earth (neodymium) magnets. Each type has its pros and cons, including differences in magnetic strength, durability, and cost.
How long do Alnico cow magnets last?
Alnico cow magnets can last a lifetime within the cow's stomach. Their corrosion-resistant properties ensure that they remain effective for the duration of the cow's life.
How often should cows be given magnets?
Typically, a cow only needs to be given a cow magnet once in its lifetime, as the magnet stays in the stomach and continues to work. However, it's advisable to consult with a veterinarian for specific herd management practices.
Are cow magnets safe for the cow?
Yes, cow magnets are considered safe for cows. They are designed to be smooth and large enough not to be absorbed by the cow's digestive system, thus remaining in the reticulum without causing any harm.
Can cow magnets affect the quality of milk or meat?
No, cow magnets do not affect the quality of milk or meat. They remain in the reticulum and do not interact with the cow's digestive processes that would affect milk production or meat quality.

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