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  • Title: Correlation of titer, preservation method, and storage of Mycoplasma gallisepticum F strain and the immune response in chickens.
    Author: Lin MY, Kleven SH.
    Journal: Avian Dis; 1984; 28(1):273-7. PubMed ID: 6721801.
    Abstract:
    The F strain of Mycoplasma gallisepticum (MG) was used either fresh or after lyophilization or freezing at -60 C to vaccinate young leghorn chickens. Vaccine stored either frozen or lyophilized for 22 months was also used. Each vaccine preparation was given at dosages ranging from 10(5) to 10(9) colony-forming units/ml. All dosage levels of MG significantly (P less than 0.05) reduced air-sac lesion scores after aerosol challenge with the R strain of MG at 6 weeks postvaccination, regardless of the method of vaccine preservation or storage.
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