Project Description

Nicarbazin 25%

Nicarbazin 25% is acoccidiostat used on meat chickens. It is also used as a contraceptive for population control of Canada geese andferal pigeons. Nicarbazin Premix can kill the second-generation schizonts and trophozoites,reducing intestinal cell damage.


Each 1 kg contain:

Nicarbazin 250 g

Excipients   750 g


Pharmacological action

Nicarbazin acts by altering theenergetic metabolism of the parasite, inhibiting the synthesis of folic acid. was the first agent with “broad‐spectrum”activity against Eimeria spp. of chickens; it is an equimolar complex of dinitrocarbanilide and dimethylpyrimidinol and still used as asingle agent or incombination with polyether antibiotics (narasin, or maduramicin), roxarsone, or antibiotics (lincomycin, bacitracin,flavomycin) for prevention and control of coccidiosis caused by Eimeria spp. (all relevant species) inbroiler chickens; there may be problems with side effects occurring during summer; it can cause increased sensitivity to heat stress, which may result ingrowth depression and even mortality in broilers; death may be due tocell degeneration processes inliver and kidneys; at recommended dose, the drug causes occasionally toxic effects in laying hens like reduced hatchability and interruption of egglaying; Nicarbazin interferes withthe formation of the vitelline membrane, separating the egg yolk and egg white. The exact mode of action is unknown, although it is thought nicarbazin interferes with cholesterol metabolism in the formation of the membrane. Eggs from treated birds are described as mottled inappearance, reflecting a porous vitelline membrane. The effect on hatchability is afunction of time anddose and the effect is reversible.


As an aid inprevention of deaths due to coccidiosis inchickens under conditions of mild exposure: 400g -500g/ 1T feed.

As an aid inprevention of deaths due to coccidiosis inchickens: 500g-600g/1T feed.

Instarter and grower feeds, as an aidin prevention of deaths due to coccidiosis in chickens upto 12 weeks of age: 800g /1T feed.

As an aid inpreventing deaths due tococcidiosis while immunity to this disease is developing in replacement chickens, 8 weeks of age or over: 320g/1T feed from 8 weeks of age or over, until birds are moved to laying house.

Mixing instruction:

Ensure uniform dispersion of enramycin premix in feed by method of multi-stage mixing. Or add to combined feed through a commercially produced vitamin  and mineral premix.


Do not feed to laying chickens. Do not use as a treatment for outbreaks of coccidiosis. Do not use influshing mashes. If losses exceed 0.5 percent in a 2-day period, obtain anaccurate diagnosis and follow the instructions of your veterinarian or poultry pathologist. Broilers fedfeed medicated with nicarbazin 25% may show reduced heat tolerance when exposed to hightemperature and high humidity to which they have not been accustomed and under severe conditions, fatalities may result. An ample supply of drinking water andadequate ventilation will improve the birds’ tolerance of heat.

WARNING: Withdraw 4days before slaughter.


Store under dry conditions below 25ºC.

Expiry date is 2 (two) years after date of manufacture.


25 kg bags: Inner lining is made of polyethylene; outer layer is made of 3-ply paper.