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active substance

Monensin — veterinary medicines

Authorised animal medicines containing Monensin across national registers. Regulatory residue limits (MRL) and antimicrobial-resistance surveillance are shown when on record. This is a neutral reference and does not provide dosing or veterinary advice.
Reference information only — not veterinary advice and not a dosing source. Always consult a licensed veterinarian before giving any medicine to an animal.

Target species

CattleGoatsPoultrySheep

Authorised products

129 authorised products across national registers.

United States — FDA Green Book

Italy — Ministero della Salute

Residue limits (MRL)

Species: Cattle

0.1 ppm

United States

Species: Cattle · Tissue: Liver

Species: Cattle

No MRL required

United States

Species: Cattle · Tissue: Milk

Species: Cattle

0.05 ppm

United States

Species: Cattle · Tissue: Muscle, kidney, and fat

Species: Chickens and turkeys

No MRL required

United States

Species: Chickens and turkeys · Tissue: Edible tissues (excluding eggs)

Species: Goats

0.05 ppm

United States

Species: Goats · Tissue: Edible tissues (excluding milk)

Species: Quail

No MRL required

United States

Species: Quail · Tissue: Edible tissues (excluding eggs)

Antimicrobial resistance surveillance

No antimicrobial-resistance surveillance is recorded for this substance.

Reported adverse events (openFDA)

Spontaneous adverse-event reports that name Monensin, by species — reported counts, not proven reactions.

Cattle

1,399 reported events

openFDA

Top reactions: Death (1,577) · Diarrhoea (523) · Anorexia (489) · Lack of efficacy (protozoa) - Coccidia (385) · Milk production decrease (333)

Horse

186 reported events

openFDA

Top reactions: Death (189) · Accidental exposure (127) · Abdominal pain (36) · Recumbency (33) · Anorexia (32)

Source: openFDA Animal & Veterinary adverse-event reports.

Surveillance reference only — these are spontaneous adverse-event report counts, not proven adverse reactions, not causation and not a measure of any product's risk or safety. Always consult a licensed veterinarian.

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