Nobilis® MG INAC

Nobilis® Mg Inac is an inactivated vaccine for the immunisation of chickens as an aid in the prevention of airsacculitis and egg production losses caused by Mycoplasma gallisepticum infection.


Reg. No. G2695 (Act 36/1947)

Namibia Reg. No. V05/24.3/58 [NS0]


Nobilis® MG Inac is an inactivated vaccine for the immunisation of chickens as an aid in the prevention of airsacculitis and egg production losses caused by Mycoplasma gallisepticum infection.


Nobilis® MG Inac contains Mycoplasma gallisepticum organisms, strain 6/85, inactivated by thimerosal and suspended in the aqueous phase of a water-in-oil emulsion in order to enhance the stimulation of immunity.


Each 0,5 mℓ dose of Nobilis® MG Inac contains at least 0,23 O.D. units (one chicken effective dose) of Mycoplasma gallisepticum cells.


  • Store between 2 °C – 8 °C in a refrigerator.
  • Do not freeze.
  • Protect from light.
  • Avoid prolonged or repetitive exposure to high ambient temperatures following withdrawal from the refrigerator prior to use.
  • Opened bottles should be used within 3 hours.


  • Withdrawal period: Do not market chickens for slaughter purposes for at least 6 weeks after vaccination. Ensure that chickens marketed do not have swellings at the vaccination site, as this may result in the condemnation of the chickens.
  • Vaccinate healthy chickens only.
  • Vaccination of chickens in production may lead to a slight decrease in egg production.
  • Do not mix Nobilis® MG Inac with other vaccines.
  • Do not inject intravenously.
  • In case of accidental self-injection may lead to severe local allergic reaction. Consult and inform the physician that the vaccine contains a mineral oil.
  • Although this vaccine has been extensively tested under a large variety of conditions, failure thereof may ensue as a result of a wide range of reasons. If this is suspected, seek veterinary advice and notify the registration holder.


  • Observe aseptic precautions. Ensure that all equipment is kept clean and sterile during vaccination. Observe aseptic precautions. Ensure that all vaccination equipment (containers, syringes and needles) is clean and sterile prior to and during use. Use sterile equipment when administering the vaccine.
  • Do not use disinfectants or antiseptics to sterilise any equipment.
  • It is good vaccination practice when handling the vaccine to avoid contact with the eyes, hands and clothing.
  • Destroy any unused vaccine and dispose of all the empty vaccine containers and disposable equipment after use in accordance with National Environmental Management: Waste Act, 2008 (Act No. 59 of 2008).
  • Do not contaminate rivers, dams or any water sources with containers or waste.
  • Due to the adjuvant used local reactions may occur in some animals at the injection site. It will disappear after a few days.

Special precautions to be taken by the person administering Nobilis® MG Inac to animals

To the user

Nobilis® MG Inac contains mineral oil. If you are accidentally injected with this vaccine, seek prompt medical advice even if only a very small amount is injected and take the package insert with you to show to the physician. If pain persists for more than 12 hours after medical examination, seek medical advice again.

To the physician

Nobilis® MG Inac name contains mineral oil. Even if small amounts have been injected, this vaccine can cause intense vascular spasm which may, for example result in ischaemic necrosis and even the loss of a digit. Expert, PROMPT, surgical attention is required and may necessitate early incision and irrigation of the injected area, especially where there is involvement of finger pulp or tendon sheaths.


Dosage and Administration

  • Shake the bottle prior to and at regular intervals during the vaccination process.
  • Allow the vaccine to gradually reach room temperature (20 °C – 25 °C) prior to use.
  • Remove the aluminium overseal and the vaccine is ready for use.
  • Inject 0,5 mℓ per chicken subcutaneously into the lower part of the back of the neck.
  • Inject all the chickens in the flock.
  • Use a sterilised syringe and needle.

Recommended Vaccination Programme

  • Chickens may be vaccinated from 3 weeks old and older.
  • Do not vaccinate within 14 days before the onset of lay or during lay.

Vaccination Reactions

In healthy chickens no clinical reaction will be observed. For some weeks after vaccination a slight swelling may be felt at the site of the vaccination. Local tissue reactions may occur.


500 mℓ, Type III glass vial or a PET-flask closed with a nitryl rubber stopper and sealed with a coded aluminium cap. Each vial is packed in a cardboard box.


Intervet South Africa (Pty) Ltd.

20 Spartan Road

Spartan, 1619, RSA

Tel: +27 (0) 11 923 9300



25 October 1999

Zimbabwe Reg. No. E97/80.23.17/9446
Pharmacological classification: 802317
Distribution category: VMGD