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Tropical Animal Health and Production

, Volume 14, Issue 3, pp 177–184 | Cite as

Vaccination against newcastle disease

  • U. Chulan
  • A. Latif Ibrahim
  • A. Mustaffa Babjee
  • A. R. Sheikh-Omar
Article

Summary

Two field trials carried out on 2,000 broiler chickens showed that chickens vaccinated with the lyophilised Newcastle disease (ND) “F” vaccine at 1, 21, and 42 days were protected when challenged at 14, 35, 56 and 70 days with the virulent strain of Newcastle disease virus (NDV) administered intramuscularly, intranasally, or by contact. A high percentage of the vaccinated birds were protected even though the haemaggglutination inhibition (HI) antibody levels were persistently low. Autopsies of the control and vaccinated birds that died from the challenge showed that most of the birds had lesions in the intestines.

Keywords

Public Health Veterinary Medicine Field Trial Disease Virus Virulent Strain 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Vaccination Contre La Maladie De Newcastle

Résumé

Deux essais effectués sur 2000 poulets de chair ont montré que ces poulets vaccinés avec du vaccin lyophilisé “F” soit à leur naissance, au 21 et au 42e jours ont été protégés à leur 14, 35, 56 et 70e jours lors d'épreuves infestantes par du virus de la maladie de Newcastle administré par voies intramusculaire, intranasale ou par contact. Un pourcentage élevé des oiseaux vaccinés a été protégé en dépit d'un niveau d'anticorps hemagglutinants constamment bas. Les autopsies pratiquées sur des animaux témoins et sur les animaux vaccinés morts à la suite d'épreuves infestantes ont montré que la plupart d'entre eux présentaient des lésions intestinales.

Vacunacion Contra La Enfermedad De Newcastle

Resumen

Se realizaron dos ensayos con 2,000 pollos de engorde los cuales se vacunaron con la vacuna F liofilizada contra Newcastle. Las vacunaciones se hicieron en forma seriada los dias 1, 21, y 42, protegiendo a las aves contra la descarga de virus virulento de Newcastle efectuada los días 14, 35, 56 y 70, administrada por vía intramuscular, intranasal y por contacto. Un alto porcentaje de los pollos fue protegido por la vacuna, aunque los títulos de anticuerpos IH fueron bajos. Las necropsias de las aves muertas durante los ensayos mostraron lesiones intestinales.

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References

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Copyright information

© Longman Group Limited 1982

Authors and Affiliations

  • U. Chulan
    • 1
  • A. Latif Ibrahim
    • 1
  • A. Mustaffa Babjee
    • 2
  • A. R. Sheikh-Omar
    • 1
  1. 1.Department of Veterinary Pathology and Microbiology, Faculty of Veterinary MedicineUniversiti Pertanian MalaysiaSerdangMalaysia
  2. 2.Veterinary Division, Ministry of AgricultureJalan SwettenhamKuala Lumpur

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