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Evaluation of Maternal and Humoral Immunity Against Newcastle Disease Virus in Chicken

M. M. Rahman
Poultry Production Research Division, Bangladesh Livestock Research Institute, Dhaka, Bangladesh

M. M. Rahman
Department of Pathology, Bangladesh Agricultural University, Mymensingh, Bangladesh

G. C. Sil
Department of Pathology, Bangladesh Agricultural University, Mymensingh, Bangladesh

J. Alam
Poultry Production Research Division, Bangladesh Livestock Research Institute, Dhaka, Bangladesh

M. R. Islam
Poultry Production Research Division, Bangladesh Livestock Research Institute, Dhaka, Bangladesh

M. Giasuddin
Principal Scientific Officer
Poultry Production Research Division, Bangladesh Livestock Research Institute, Dhaka, Bangladesh

A. S. M. Bari
Department of Pathology, Bangladesh Agricultural University, Mymensingh, Bangladesh

Abstract/ Executive Summary:

An attempt has been undertaken to evaluate the humoral immunity against Newcastle disease in vaccinated chickens. Two different vaccination schedules were followed in 4000 Bovans White chickens (2000 in each treatment) with the history of ND vaccination in parent stock. The mean HI antibody titres of control groups of Treatment-1 and Treatment-2 revealed day-1 (285.51 and 289.43), day-5 (145.74 and 143.78), day-10 (73.58 and 71.47), day-15 (34.44 and 34.52) and day-20 (18.65 and 17.14) respectively. Birds of treatment-1 were vaccinated at 10 and 24 days old with live ND clone-30 vaccine and at 31 (half dose) and 120 (full dose) days old with oil adjuvant inactivated vaccine. Birds of treatment-2 were vaccinated at 10, 24 and 60 days old with live ND clone-30 vaccine and at 120 days old with oil adjuvant inactivated vaccine (full dose). The mean HI antibody titres for vaccinated groups of Treatment-1 and Treatment-2 revealed at day-10 (69.71 and 70.39), day-24 (19.73 and 24.34), day-31 (57.85 and 53.72), day-60 (251.52 and 76.34), day-120 (50.30 and 26.28) and day-150 (442.71 and 371.80) respectively. Vaccination program used in Treatment-1 gave better humoral immune response than in Treatment-2.

Keywords: Humoral Immunity, Newcastle Disease, Vaccination Schedule

Location: Bangladesh Livestock Research Institute

Start Date: 00-00-0000

End Date: 00-00-0000

Program Area: Animal Health and Management

Commodity: Chicken

Objectives:

To evaluate the humoral immunity against Newcastle disease in vaccinated chickens

Methodology:

The experiment was carried out in the Avian Disease Diagnostic Laboratory of Poultry Production Research Division (PPRD) of Bangladesh Livestock Research Institute BLRI), Savar, Dhaka and the Department of Pathology, Bangladesh Agricultural University, Mymensingh. The field experimental study was carried out in the Barisal (Treatment-1) and Cox’s Bazar (Treatment-2) sub-sites under the PPRD of BLRI.

Source of Information: International Journal of Poultry Science 1 (5): 161-163, 2002

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Farmers or persons in charge of vaccination are likely to believe that the chicken flocks will be protected after vaccination. But apparent ideal ND vaccination programs with either imported or domestic vaccines do not always guarantee protection of chicken flocks against ND due to incautious handling of vaccines and so on. So, seromonitoring of humoral immune response in vaccinated chicken flocks is necessary for controlling the Newcastle disease.

Knowledge Management: Journal