Narasin and Nicarbazin - MIB #75

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Revised January 2018

Approved Brands

  1. Maxiban Premix contains narasin at 80 g/kg and nicarbazin at 80 g/kg (Elanco Canada Limited).

Approved for use

In meal or pellet feed for broiler chickens.

Approved claims

For broiler chickens - Claim 1.

Claim 1: As an aid in the prevention of coccidiosis caused by Eimeria necatrix, E. tenella, E. acervulina, E. brunetti, E. maxima and E. mitis in broiler chickens.

Level of Drug:

40 to 50 mg/kg (0.004% to 0.005%) of narasin and 40 to 50 mg/kg (0.004% to 0.005%) of nicarbazin in complete feed.

Note: (Required on feed labels)
Feed labels must state one specific drug level.


Feed this medicated feed continuously as the sole ration.


  1. Do not feed to laying chickens.
  2. Keep out of reach of children. (Required on premix and supplement labels only.)


  1. Do not allow canines, horses or other equines access to formulations containing narasin. Ingestion of narasin by these species has been fatal.
  2. Poultry consuming narasin should not be treated with products containing tiamulin. Severe growth depression may occur.
  3. Do not feed to turkeys or breeding hens in production.
  4. Do not use this medicated feed for the treatment of outbreaks of coccidiosis.
  5. Not to be used in feeds containing pellet binding agents with the exception of Lignosol (4%) and Bentonite (2%). (Required on premix and supplement labels only.)

Accepted Compatibilities

Narasin and Nicarbazin are compatible with the following drugs/drug combinations. For details refer to the MIB as indicated.
MIB Medicated ingredients For use in feeds for
48 Bacitracin from Bacitracin Methylene Disalicylate broiler chickens
Avilamycin (claim 1) – by prescription only broiler chickens
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