Erythromycin is a broad-spectrum, macrolide antibiotic. It has activity against many gram-positive organisms (including Staphylococcus spp and Streptococcus spp) and some gram-negative organisms. It is also effective for mycoplasma infections. Increased bacterial resistance to erythromycin is reported. In the United States, erythromycin is one of the few drugs approved by the FDA for use in egg laying hens.


Gallimix-200 WS is indicated for the treatment of Chronic Respiratory Disease (CRD) caused by Mycoplasma infections, and for the treatment of infectious (respiratory) diseases due to erythromycin-sensitive bacteria such as Staphylococcus aureus (e.g. infectious arthritis), Haemophilus paragallinarum (e.g. infectious coryza) and Pasteurella multocida (e.g. pasteurellosis; pneumonia) in poultry.

Erythromycin is active against a wide variety of pathogenic organisms. It is particularly indicated in the treatment of Mycoplasma and bacterial infections of the respiratory tract in poultry, particularly associated with Chronic Respiratory Disease (CRD) in poultry. Indicated also with infectious sinovitis and sinusitis.

Dosage and Administration: 

  • Poultry, turkeys : 125 g per 100 litres of drinking water during 3 – 5 days (equivalent to 20 mg of erythromycin  per kg bodyweight).

Make a pre-solution of 100 g in 1 litre lukewarm water and add this to the required amount of drinking water. In case of increased or lowered water intake adjust the medication concentrations accordingly. Repeat treatment only on advice of your veterinarian. Medicated drinking water should be used within 24 hours.

Orally via drinking water.

The general dose is 100 gm per 100-200 litres drinking water, during 4-5 days.

Uses/benefits of Erythromycin For Chickens

Erythromycin is an antibiotic of narrow-spectrum which is utilized by veterinarians to treat quite certain kinds of bacterial diseases in poultry and chickens and different against particular sorts of disease like Infectious Coryza (Swelling eyes) and creatures like canines, felines, and so forth Erythromycin is a successful microorganism. Regular uses for Erythromycin antibiotic incorporate treating Bluecomb. The erythromycin limits the protein synthesis of bacteria and thus stops the development of cells, which in the long run eliminate the wound contaminations, bone contaminations, skin diseases, and certain different pneumonia, tick-borne contamination like sinus contaminations, Lyme Disease, kinds of bacterial diseases. Erythromycin isn’t successful against diseases that are brought by parasites, viruses, and fungi.  

Withdrawal time: 

Egg Withdrawal Period: In the United States, Ireland, United Kingdom, and Australia, erythromycin is approved for use in laying hens producing eggs intended for human consumption when its given in accordance with each product manufacturer’s label directions; where it has a 0-day egg withdrawal period. Caution: Poultry with existing liver or kidney disease, electrolyte imbalances, or heart rhythm disorders have an increased risk of the associated side effects of this medication. Given via IM injection can cause muscle necrosis. Do not concurrently administer apple cider vinegar in the drinking water of chickens who are receiving this drug. The acidic environment deactivates the drug.

Eggs  : 6 days
Meat  : 6 days

Prices of Erythromycin For Chickens

$25.24 – $35.25

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