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Ralgro Implants

SKU: 3760

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Ralgro Implants from Merck Animal Health are made from Zeranol (an anabolic agent), which stimulates weight gain and improves feed efficiency in pasture and feedyard cattle.

Zeranol does not bind to muscle tissue unlike other growth implants containing estrogens which accumulate in muscle, particularly after re-implanting.

Zeranol is not a sex hormone; it can be used in heifers, steers or calves. Other implants are sex-specific, requiring a producer to stock two products.

Ralgro implants can be used in:

- Suckling beef calves

- Growing beef cattle

- Feedlot heifers and steers

Ralgro® implants are not approved for use in dairy cattle, veal calves or bulls intended for reproduction.

This product is currently unavailable

Availability: In stock


Features & Specifications



  • Does not contain estrogen.
  • Five year shelf life


  • Store at room temperature.

Additional Information

Additional Information

Name Ralgro Implants
SKU 3760


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