Roost Chickens

Mycoplasma gallisepticum (MG)

Moderate
Veterinary Disclaimer This information is for educational reference only. Always consult a licensed veterinarian for diagnosis and treatment.

Caused By

Mycoplasma gallisepticum

Symptoms

Nasal discharge, swollen sinuses, foamy eyes, respiratory rales.

How It Spreads

Aerosol, direct contact, vertical (hen to egg).

Treatment

Antibiotics such as tylosin or tetracycline may reduce symptoms but do not eliminate the infection — birds remain carriers. Consult your veterinarian for diagnosis and treatment options.

Prevention

Buy MG-free stock from NPIP-certified sources. Blood testing.

Frequently Asked Questions

What causes Mycoplasma gallisepticum (MG) in chickens?

Mycoplasma gallisepticum (MG) is caused by Mycoplasma gallisepticum. Aerosol, direct contact, vertical (hen to egg).

What are the symptoms of Mycoplasma gallisepticum (MG)?

Nasal discharge, swollen sinuses, foamy eyes, respiratory rales.

How do you treat Mycoplasma gallisepticum (MG)?

Antibiotics such as tylosin or tetracycline may reduce symptoms but do not eliminate the infection — birds remain carriers. Consult your veterinarian for diagnosis and treatment options.

How can I prevent Mycoplasma gallisepticum (MG)?

Buy MG-free stock from NPIP-certified sources. Blood testing.

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