Noromycin 300 – Broad‑Spectrum Antibiotic for Livestock and Companion Animals

At Vet Ranch Supply, we provide veterinary medicines that meet the highest standards of safety, compliance, and effectiveness. Noromycin 300 is a long‑acting, broad‑spectrum antibiotic formulated with oxytetracycline. It is widely used in veterinary medicine to treat bacterial infections in cattle, sheep, goats, swine, and companion animals. Known for its reliability and extended activity, Noromycin 300 is a trusted solution for maintaining herd health and productivity.

Benefits of Noromycin 300

• Broad‑Spectrum Coverage: Effective against a wide range of gram‑positive and gram‑negative bacteria.
• Long‑Acting Formula: Provides sustained therapeutic levels, reducing the need for frequent dosing.
• Versatile Use: Suitable for treating respiratory infections, wound infections, foot rot, mastitis, and other bacterial conditions.
• Improved Animal Health: Rapidly reduces infection, helping animals regain appetite, energy, and productivity.
• Veterinary‑Approved Safety: Formulated to meet international veterinary standards, ensuring consistent results across species.

Recommendations for Use

Noromycin 300 should always be administered under the supervision of a licensed veterinarian. It is recommended for:

• Cattle: Treatment of pneumonia, shipping fever, foot rot, and mastitis.
• Swine: Effective against bacterial respiratory diseases and infections.
• Sheep and Goats: Used for bacterial pneumonia, wound infections, and foot rot.
• Companion Animals: May be prescribed for bacterial infections when appropriate.

Dosage and administration depend on species, weight, and severity of infection. Following veterinary instructions ensures safe and effective treatment.

Advantages

NOROMYCIN LA 300 Injectable Solution offers the advantage of combining broad spectrum effectiveness against both gram positive and gram negative bacteria, with prolonged antibiotic blood levels up to 4 days duration following a single treatment.

Noromycin LA 300 Indications

NOROMYCIN™ LA 300 Injectable Solution is indicated in the treatment of all infections caused by oxytetracycline susceptible bacteria in cattle and pigs.

CATTLE: Bacterial pneumonia, Pasteurellosis (associated with shipping fever complex), Mastitis, Metritis, Calf Scours (bacterial enteritis), Foot Rot, Navel ill, Calf Diphtheria, Leptospirosis, Blackleg/Malignant Edema, Peritonitis, Joint ill.

SWINE: Erysipelas, Bacterial enteritis, Leptospirosis, Metritis, Mastitis, Bacterial pneumonia.

Noromycin LA 300 Dosage And Administration

For intramuscular or subcutaneous administration to cattle and intramuscular administration to pigs at a single dose rate of 1 mL per 15 kg of live bodyweight (20 mg oxytetracycline per kg bodyweight).

It is recommended that the maximum dose at any one site is 10 mL in cattle and 5 mL in pigs to minimize local tissue irritation at the injection site. Intramuscular injections should be made deep into the fleshy part of the muscle such as the neck. Subcutaneous injections should be administered in the neck region.

Following administration, temporary localised swelling may be observed at the site of injection for several days. This is due to the high concentration and long acting effect of the product.

NOROMYCIN LA 300 Injectable Solution should be warmed to body temperature prior to administration.

If clinical improvement is not observed after 48 hours, clinical re-evaluation may be required. In non-responsive cases, consideration may be given to the use of an alternative antibiotic.

Note

Treatment with Noromycin 300 LA only, in severe disease cases, may be insufficient.

Warnings

Intramuscular Administration

Treated animals must not be slaughtered for use in food for at least 21 days after the latest treatment with this drug. Do not use in lactating dairy cattle.

Subcutaneous Administration

Treated cattle must not be slaughtered for use in food for at least 42 days after the latest treatment with this drug. Do not use in lactating dairy cattle.

Note

To avoid the possibility of excessive trim at the site of injection, do not slaughter cattle for at least 42 days after the latest treatment with this drug.

Noromycin 300 LA Caution

Occasional hypersensitivity reactions (anaphylaxis) have been observed following the parenteral administration of oxytetracycline. If such side effects occur, discontinue use of the drug and administer epinephrine immediately. The safety of this product in pregnant animals has not been demonstrated.

Storage

Store between 15° and 25°C. Protect from light. Do not freeze.

Presentation

NOROMYCIN LA 300 Injectable Solution is available in multidose 100 mL, 250 mL and 500 mL vials.

Manufactured By

Norbrook Laboratories Limited, Newry, Northern Ireland

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