Effect of different immunomodulators on the percentage of the CD4plus and CD8plus T lymphocytes and the antibody titres in pigeons immunised against PPMV-1

• Autorzy: Stenzel T. , Tykalowski B. , Smialek M. , Kwiatkowska-Stenzel A. , Koncicki A.
• Języki publikacji: EN

Abstrakty

EN

As a consequence of frequent immunosuppression in pigeons, with resultant decreased post-vaccination immunity and deteriorated health of the birds, a study was taken up in order to determine the effect of three immunomodulators (β-glucans, metisoprinol and levamisole) on the percentage of CD4⁺ and CD8⁺ T lymphocytes in peripheral blood and spleen, and the titre of anti-NDV antibodies in the serum of pigeons in four groups (A, B, C, D), 20 birds in each. The birds in each group were immunized against paramyxovirosis in week 6 and 9 of their lives, and water for injection was given intramuscularly 1 day before each injection (group A control), metisoprinol was given intramuscularly for 3 days at a dose of 300 mg/kg of body weight (group B), levamisole was given as a 7.5% solution of levamisole hydrochloride at a dose of 2 mg/kg of body weight intramuscularly, 1 day (group C), or β-glucans were given 10 days before vaccination per os at a dose of 5 mg/kg of body weight (group D). The immunological examinations were carried out by flow cytometry and the ELISA test. The results indicate that levamisole and β-glucans at the doses used in the study stimulate an increase in the anti-NDV antibody titre and the percentage of CD4⁺ T lymphocyte subpopulation in peripheral blood (levamisole) along with an increase in the percentage of CD8⁺ T lymphocytes in the spleen of pigeons vaccinated against paramyxovirosis. The absence of such an effect following the administration of metisoprinol at a dose of 300 mg/kg of body weight for 3 days may have resulted from an excessively high dose.

Słowa kluczowe

EN

pigeon paramyxovirus type 1; T lymphocyte; animal breeding; animal disease; antibody; beta-glucan; bird; immunomodulation; levamisole; methisoprinol; pigeon; viral disease; paramyxovirosis; animal loss; ELISA test; immunosuppression

• Wydawca: -
• Czasopismo: Medycyna Weterynaryjna
• Rocznik: 2011
• Tom: 67
• Numer: 04
• Opis fizyczny: p.254-257,ref.

Twórcy

autor

Stenzel T.

• Department of Poultry Diseases, Faculty of Veterinary Medicine, University of Warmia and Mazury in Olsztyn, Oczapowskiego 13, 10-957 Olsztyn, Poland

autor

Tykalowski B.

autor

Smialek M.

autor

Kwiatkowska-Stenzel A.

autor

Koncicki A.

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