This document is incorporated by reference into the Feeds Regulations, 2024. Any changes to this document must be made in accordance with the CFIA Incorporation by Reference Policy.
Revised December 2025
Status of medicating ingredient
Status: over the counter
Approved brands
| Name of approved brand(s) | Sponsor/manufacturer | DIN | Concentration of medicating ingredient in DIN product(s) | Approved livestock species |
|---|---|---|---|---|
| Nicarb Feed Premix | Huvepharma EOOD 5th, 3a Nikolay Haytov Street 1113 Sofia, Saone et Loire, Bulgaria |
00140546 | Nicarbazin at 250 g/kg | Chickens |
| Nicarbazin 250 G | Bio Agri Mix LP 11 Ellens Street Mitchell ON N0K 1N0 |
02556510 | Nicarbazin at 250 g/kg | Chickens |
Livestock species and claims
Table of livestock species and claims
| Livestock species | Approved claim(s) for the medicating ingredient (abbreviated)Table note 1 | Withdrawal time | Name of the approved brand(s) of the medicating ingredient |
|---|---|---|---|
| Chickens |
Claim 1: aid in preventing deaths from coccidiosis (mild exposure) |
4 days (meat) | Nicarb Feed Premix |
| Chickens | Claim 5: aid in prevention of coccidiosis due to E. maxima in broiler chickens | 2 days (meat) | Nicarbazin 250 G |
- Table note 1
-
In order to be compliant with the Feeds Regulations, 2024 the complete claim must appear on the medicated feed label.
Chickens
Claim(s)
- claim 1: aid in preventing deaths from coccidiosis (mild exposure)
- claim 2: aid in preventing deaths from coccidiosis
- claim 3: aid in preventing deaths from coccidiosis in starter and grower feeds (up to 12 weeks of age)
- claim 4: aid in preventing deaths from coccidiosis in replacement chickens (8 weeks of age or over)
- claim 5: aid in prevention of coccidiosis due to E. maxima in broiler chickens
Claim 1
As an aid in the prevention of deaths due to coccidiosis in chickens under conditions of mild exposure
Withdrawal time
4 days (meat)
Level of medicating ingredient
100 to 125 mg/kg (0.01 to 0.0125%) of nicarbazin in the complete feed
Directions for use
Feed as the sole ration
Additional information (to appear on feed labels)
Nil
Additional information (not to appear on feed labels)
Nil
Prudent use statement
Nil
Warning statement(s) (to appear on feed labels)
- treated birds must not be slaughtered for use in food for at least 4 days after the latest treatment with this medicated feed
- do not feed to laying or breeding hens in production
Caution statement(s) (to appear on feed labels)
- do not use this medicated feed for the treatment of outbreaks of coccidiosis
- if unexpected deaths occur, obtain a laboratory diagnosis and follow poultry pathologist's instructions
Claim 2
As an aid in the prevention of deaths due to coccidiosis in chickens
Withdrawal time
4 days (meat)
Level of medicating ingredient
125 to 150 mg/kg (0.0125 to 0.015%) of nicarbazin in the complete feed
Directions for use
Feed as the sole ration
Additional information (to appear on feed labels)
Nil
Additional information (not to appear on feed labels)
Nil
Prudent use statement
Nil
Warning statement(s) (to appear on feed labels)
- treated birds must not be slaughtered for use in food for at least 4 days after the latest treatment with this medicated feed
- do not feed to laying or breeding hens in production
Caution statement(s) (to appear on feed labels)
- do not use this medicated feed for the treatment of outbreaks of coccidiosis
- if unexpected deaths occur, obtain a laboratory diagnosis and follow poultry pathologist's instructions
Claim 3
In starter and grower feeds as an aid in the prevention of deaths due to coccidiosis in chickens up to 12 weeks of age
Withdrawal time
4 days (meat)
Level of medicating ingredient
200 mg/kg (0.02%) of nicarbazin in the complete feed
Directions for use
Feed as the sole ration
Additional information (to appear on feed labels)
Nil
Additional information (not to appear on feed labels)
Nil
Prudent use statement
Nil
Warning statement(s) (to appear on feed labels)
- treated birds must not be slaughtered for use in food for at least 4 days after the latest treatment with this medicated feed
- do not feed to laying or breeding hens in production
Caution statement(s) (to appear on feed labels)
- do not use this medicated feed for the treatment of outbreaks of coccidiosis
- if unexpected deaths occur, obtain a laboratory diagnosis and follow poultry pathologist's instructions
Claim 4
As an aid in preventing deaths due to coccidiosis while immunity to this disease is developing in replacement chickens 8 weeks of age or over, until birds are moved to laying house
Withdrawal time
4 days (meat)
Level of medicating ingredient
80 mg/kg (0.008%) of nicarbazin in the complete feed
Directions for use
Feed as the sole ration from 8 weeks of age or over, until birds are moved to the laying house
Additional information (to appear on feed labels)
Nil
Additional information (not to appear on feed labels)
Nil
Prudent use statement
Nil
Warning statement(s) (to appear on feed labels)
- treated birds must not be slaughtered for use in food for at least 4 days after the latest treatment with this medicated feed chickens are slaughtered for use in food
- do not feed to laying or breeding hens in production
Caution statement(s) (to appear on feed labels)
- do not use this medicated feed for the treatment of outbreaks of coccidiosis
- if unexpected deaths occur, obtain a laboratory diagnosis and follow poultry pathologist's instructions
Claim 5
As an aid in prevention of coccidiosis due to Eimeria maxima in broiler chickens
Withdrawal time
2 days (meat)
Level of medicating ingredient
125 mg/kg (0.0125%) of nicarbazin in the complete feed
Directions for use
Feed as the sole starter ration
Additional information (to appear on feed labels)
Nil
Additional information (not to appear on feed labels)
For feed manufacturers: thoroughly mix 0.5 kg of Nicarbazin 250 G per tonne of complete feed (equivalent to 125 g/tonne of active)
Feeds containing Nicarbazin 250 G are stable for up to 90 days when stored at 25 degrees Celsius and 60% relative humidity
Prudent use statement
Nil
Warning statement(s) (to appear on feed labels)
- treated chickens must not be slaughtered for use in food for at least 2 days after the latest treatment with this drug
- do not feed to laying hens
- when handling Nicarbazin 250 G premix, use protective clothing, impervious gloves, and a dust mask. Avoid inhalation, oral exposure and direct contact with eyes or skin. If accidental eye or skin contact occurs, rinse thoroughly with water. If irritation occurs, seek medical attention
- keep out of reach of children (required on premix and supplement labels only)
Caution statement(s) (to appear on feed labels)
- do not use this medicated feed for the treatment of outbreaks of coccidiosis
- in cases of unexpected mortality, consult a veterinarian or poultry pathologist for an exact diagnosis and follow their recommendations
- avoid feeding this medication during periods of high heat and humidity, as nicarbazin is known to exacerbate the effects of heat stress
- this medication should be fed in the starter ration from placement. Adverse effects may occur if nicarbazin medicated feed is started after initial placement
Accepted compatibilities
Nil