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47807

Evaluation of the protection of commercial live and inactivated NDV vaccines against Newcastle virus genotype VIId circulating in the field

Article

Last updated: 04 Jan 2025

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Subjects

-

Tags

Poultry diseases

Abstract

The most prevalently circulating genotype of Newcastle disease (NDV)
in Egypt was VII of class II NDV strains. Control of NDV by vaccination
is a common strategy in intensively raised commercial flocks and
Newcastle disease vaccines have been used worldwide to protect against
clinical signs and mortalities. The aim of the present study was to evaluate
the level of protection against clinical disease and virus shedding afforded
by different NDV vaccines. The strain used for challenge was
NDV/CH/EG/18/2015 (GenBank accession number- KU377781),
classified as Genotype VIId with ICPI of 1.89, and MDT of 48 hrs. Broiler
chickens were challenged intra-occularily at 28 days of age using 100 μl of
106 EID50 per dose/bird. Results indicated that protection percent against
mortality and clinical signs was 100 % and 93.3 % for inactivated NDV
vaccine and LaSota, respectively. Shedding was not prevented by any
vaccine.

DOI

10.21608/DJVS.25271

Authors

First Name

Hany

Last Name

Ellakany

MiddleName

-

Affiliation

Department of Poultry Diseases, Faculty of Veterinary Medicine, Damanhour University, Damanhour 22511, Egypt

Email

ellakany_hany@vetmed.dmu.edu.eg

City

-

Orcid

-

First Name

Hatem

Last Name

Abd El-Hamid

MiddleName

-

Affiliation

Department of Poultry Diseases, Faculty of Veterinary Medicine, Damanhour University, Damanhour 22511, Egypt

Email

-

City

-

Orcid

-

First Name

Soad

Last Name

Nasef

MiddleName

-

Affiliation

Animal Health Research Institute, National Lab. of Vet. Quality Control on Poultry Production (NLQP), Dokki, Giza, Egypt

Email

-

City

-

Orcid

-

First Name

sherif

Last Name

Nasr

MiddleName

-

Affiliation

Department of Animal Husbandry and Animal Wealth Development, Faculty of Veterinary Medicine, Damanhour University, Damanhour 22511, Egypt

Email

-

City

-

Orcid

-

First Name

Mohamed

Last Name

Abdel Aziz

MiddleName

-

Affiliation

Animal Health Research Institute, National Lab. of Vet. Quality Control on Poultry Production (NLQP), Dokki, Giza, Egypt

Email

-

City

-

Orcid

-

First Name

Ahmed

Last Name

Gado

MiddleName

-

Affiliation

Department of Poultry Diseases, Faculty of Veterinary Medicine, Damanhour University, Damanhour 22511, Egypt

Email

-

City

-

Orcid

-

First Name

Rasha

Last Name

Zedan

MiddleName

-

Affiliation

Public Authority of Veterinary Medical Services, El-Behera Adminstrator, Damanhour, El-Behera, Egypt

Email

-

City

-

Orcid

-

Volume

1

Article Issue

1

Related Issue

7385

Issue Date

2019-01-01

Receive Date

2018-12-25

Publish Date

2019-01-01

Page Start

17

Page End

20

Print ISSN

2636-3003

Online ISSN

2636-3011

Article File

DJVS_Volume 1_Issue 1_Pages 17-20.pdf

PDF . 210.7kB

Link

https://djvs.journals.ekb.eg/article_47807.html

Detail API

https://djvs.journals.ekb.eg/service?article_code=47807

Order

4

Type

Original Article

Type Code

1,001

Publication Type

Journal

Publication Title

Damanhour Journal of Veterinary Sciences

Publication Link

https://djvs.journals.ekb.eg/

MainTitle

Evaluation of the protection of commercial live and inactivated NDV vaccines against Newcastle virus genotype VIId circulating in the field

Details

Type

Article

Created At

22 Jan 2023