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A Comparative Assessment of Efficacy of Currently Applied Vaccines in Broiler Chicken against Individual and Co-Infection with Field Prevailing Newcastle Disease and Infectious Bronchitis Viruses

A Comparative Assessment of Efficacy of Currently Applied Vaccines in Broiler Chicken against Individual and Co-Infection with Field Prevailing Newcastle Disease and Infectious Bronchitis Viruses

Muhammad Saeed Imran1, Asim Aslam1*, Muhammad Yasin2, Tahir Yaqoob2 and Beenish Zahid3

1Department of Pathology, University of Veterinary and Animal Sciences Lahore, 54000, Punjab, Pakistan
2Department of Microbiology, University of Veterinary and Animal Sciences, Lahore
3KBCMA, CVAS, Narowal Subcampus, University of Veterinary and Animal Sciences, Lahore

*      Corresponding author: drasimaslamch@uvas.edu.pk

Fig. 1.

Clinical presentation showing the involvement of respiratory and nervous system in the experimental infection for different vaccinates birds (group A-E) and non-vaccinated control birds (group F).

Fig. 2.

The distribution of NDV and IBV antigens in different tissues collected from vaccinated birds of groups (A-E) and non-vaccinated control birds (group F).

Pakistan Journal of Zoology

October

Vol. 52, Iss. 5, Pages 1631-2026

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