Results 31 to 40 of about 80,991 (285)

Alternative method using Real Time PCR for evaluation of inactivated Newcastle disease viral vaccine

open access: yesVacciMonitor, 2023
The present work aims to establish a new alternative protocol to evaluate in vitro potency of inactivated Newcastle disease virus vaccine using Real Time PCR.
Mounir El Safty   +2 more
doaj  

SEROLOGICAL MONITORING OF NEWCASTLE DISEASE IN RUSSIA 2017

open access: yesВетеринария сегодня, 2019
Newcastle disease is an OIE-listed and highly contagious viral avian disease inflicting great economic losses and constituting a serious threat to poultry farms all over the world.
M. A. Volkova   +4 more
doaj   +1 more source

Transcriptome Analysis in Spleen Reveals Differential Regulation of Response to Newcastle Disease Virus in Two Chicken Lines. [PDF]

open access: yes, 2018
Enhancing genetic resistance of chickens to Newcastle Disease Virus (NDV) provides a promising way to improve poultry health, and to alleviate poverty and food insecurity in developing countries.
Bunn, David A   +8 more
core   +3 more sources

Isolation and identification of the Newcastle disease virus from field outbreaks in broiler and layer flocks in Iraq

open access: yesThe Iraqi Journal of Veterinary Medicine, 2017
Newcastle disease is one of serious pathological problems and causes of vast economic losses during 2011-2016 in Iraq. The disease caused high mortalities in all types of poultry nevertheless of vaccination.
Mushtaq T. B. AL-Zuhariy
doaj   +1 more source

Dual Mutation Events in the Haemagglutinin-Esterase and Fusion Protein from an Infectious Salmon Anaemia Virus HPR0 Genotype Promote Viral Fusion and Activation by an Ubiquitous Host Protease [PDF]

open access: yes, 2015
Funding: The Scottish Government funded this work, as part of their global budget on aquaculture research. The funder had no role in the study design, data collection and analysis, decision to publish, or preparation of the manuscript.Peer ...
Collet, Bertrand   +6 more
core   +3 more sources

Thermal Inactivation of Newcastle Disease Virus [PDF]

open access: yesApplied Microbiology, 1970
The rate of destruction of hemagglutinins and infectivity of Newcastle disease virus was determined over a temperature range of 37.8 to 60 C. From the calculated values of δH and δS, it was concluded that inactivation of the hemagglutinating activity and viral infectivity was due to protein denaturation.
G A, DiGioia   +3 more
openaire   +2 more sources

Molecular detection of Ornithbacterium rhinotracheale and Newcastle disease virus in ostriches of Isfahan province [PDF]

open access: yesĀsīb/shināsī-i Darmāngāhī-i Dāmpizishkī, 2017
With the purpose of identifying Ornithobacterium rhinotracheale (ORT) and Newcastle disease virus in acute death of ostriches, 40 tracheal samples from 22 ostrich farms with acute mortality were collected from all over the Isfahan province with the ...
عباس علی شعبانی   +2 more
doaj  

Preparation and evaluation of formalized bivalent Newcastle and Salmonella poultry vaccine

open access: yesVacciMonitor, 2023
This study was conducted to prepare and evaluate the potency of different inactivated vaccine formulations that protect chickens against Salmonella Enteritidis and Newcastle disease virus using Montanide as adjuvant.
Sarah Sobhy   +4 more
doaj  

Noncytopathic mutants of Newcastle disease virus [PDF]

open access: yesJournal of Virology, 1978
We have isolated a novel class of mutants of Newcastle disease virus which are less cytopathic than their virulent parent but are still capable of infectious virus production. Unlike wild-type virus, the mutants did not form plaques after 2 days of incubation; they did, however, make hemadsorbing spots.
C H, Madansky, M A, Bratt
openaire   +2 more sources

Histopathology of virulent Newcastle disease virus in immune broiler chickens treated with IMBO® [PDF]

open access: yesIraqi Journal of Veterinary Sciences, 2011
The effect of feed additive IMBO was investigated on histopathology of Newcastle disease virus in broiler chickens. Result osf this study showed no differences in histological changes of virulent Newcastle disease virus in vaccinated chickens treated ...
O. G. Mohammadamin, T. S. Qubih
doaj  

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