Results 111 to 120 of about 397 (126)
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Research in Veterinary Science, 2011
The 'gold standard' vaccine against Marek's disease in poultry is the CVI988/Rispens virus, which is not easily distinguishable, antigenically or genetically, from virulent Marek's disease herpesvirus. Accurate differential measurement of the CVI988 vaccine and virulent viruses is important to investigate mechanisms of vaccinal protection.
Venugopal Nair +2 more
exaly +3 more sources
The 'gold standard' vaccine against Marek's disease in poultry is the CVI988/Rispens virus, which is not easily distinguishable, antigenically or genetically, from virulent Marek's disease herpesvirus. Accurate differential measurement of the CVI988 vaccine and virulent viruses is important to investigate mechanisms of vaccinal protection.
Venugopal Nair +2 more
exaly +3 more sources
Avian Diseases, 2011
Marek's disease (MD) is a lymphoproliferative disease of domestic chickens caused by a highly infectious, oncogenic alpha-herpesvirus known as Marek's disease virus (MDV). MD is presently controlled by vaccination. Current MD vaccines include attenuated serotype 1 strains (e.g., CVI988/Rispens), avirulent serotype 2 (SB-1), and serotype 3 (HVT) MDV ...
Shuang Chang, Zhuang Ding, John R Dunn
exaly +3 more sources
Marek's disease (MD) is a lymphoproliferative disease of domestic chickens caused by a highly infectious, oncogenic alpha-herpesvirus known as Marek's disease virus (MDV). MD is presently controlled by vaccination. Current MD vaccines include attenuated serotype 1 strains (e.g., CVI988/Rispens), avirulent serotype 2 (SB-1), and serotype 3 (HVT) MDV ...
Shuang Chang, Zhuang Ding, John R Dunn
exaly +3 more sources
Veterinary Microbiology, 2014
Vaccination is thought to contribute to an evolution in virulence of the Marek's disease virus (MDV) as vaccines prevent disease but not infection. We investigated the effects of co-infections at various intervals between Rispens/CVI988 vaccine virus (Rispens) and very virulent MDV (vvMDV) on the replication and shedding of each virus.
Tanzila Islam +2 more
exaly +3 more sources
Vaccination is thought to contribute to an evolution in virulence of the Marek's disease virus (MDV) as vaccines prevent disease but not infection. We investigated the effects of co-infections at various intervals between Rispens/CVI988 vaccine virus (Rispens) and very virulent MDV (vvMDV) on the replication and shedding of each virus.
Tanzila Islam +2 more
exaly +3 more sources
Avian Diseases, 2013
Marek's disease (MD) is a lymphoproliferative disease of chickens caused by serotype 1 MD virus (MDV). Vaccination of commercial poultry has drastically reduced losses from MD, and the poultry industry cannot be sustained without the use of vaccines.
Blanca Lupiani +2 more
exaly +3 more sources
Marek's disease (MD) is a lymphoproliferative disease of chickens caused by serotype 1 MD virus (MDV). Vaccination of commercial poultry has drastically reduced losses from MD, and the poultry industry cannot be sustained without the use of vaccines.
Blanca Lupiani +2 more
exaly +3 more sources
Journal of Virological Methods, 2013
Two real-time PCR assays were developed which enable quantitation and differentiation between pathogenic Australian isolates of Marek's disease virus (MDV) serotype 1 and the serotype 1 vaccine strain Rispens CVI988. The assays are based on a DNA sequence variation in the meq gene between pathogenic and vaccinal MDV1 which has been confirmed by ...
Stephen W Walkden-Brown
exaly +3 more sources
Two real-time PCR assays were developed which enable quantitation and differentiation between pathogenic Australian isolates of Marek's disease virus (MDV) serotype 1 and the serotype 1 vaccine strain Rispens CVI988. The assays are based on a DNA sequence variation in the meq gene between pathogenic and vaccinal MDV1 which has been confirmed by ...
Stephen W Walkden-Brown
exaly +3 more sources
Avian Diseases, 2001
CVI988, a serotype 1 Marek's disease virus (MDV), was used as an in ovo vaccine in specific-pathogen-free chickens to determine if this virus induces early posthatch protection against Marek's disease as has been shown previously for turkey herpesvirus. MDV CVI988 was injected at embryonation day (ED) 17 (group 1) or at hatch (group 2).
Y, Zhang, J M, Sharma
openaire +2 more sources
CVI988, a serotype 1 Marek's disease virus (MDV), was used as an in ovo vaccine in specific-pathogen-free chickens to determine if this virus induces early posthatch protection against Marek's disease as has been shown previously for turkey herpesvirus. MDV CVI988 was injected at embryonation day (ED) 17 (group 1) or at hatch (group 2).
Y, Zhang, J M, Sharma
openaire +2 more sources
Wei sheng wu xue bao = Acta microbiologica Sinica, 2015
To evaluate and compare the immunoprotection between a meq-deleted Marek's disease virus (MDV) and CVI988/Rispens against MDV very virulent strain GX0101.In total 120 one-day-old SPF chickens were divided into 4 groups (30 each) and kept in 5 isolators with positive pressure-filtered air. At 1 day of age, 2000 PFU of SC9-1 was inoculated subcutaneously
Luntao, Duan +6 more
openaire +2 more sources
To evaluate and compare the immunoprotection between a meq-deleted Marek's disease virus (MDV) and CVI988/Rispens against MDV very virulent strain GX0101.In total 120 one-day-old SPF chickens were divided into 4 groups (30 each) and kept in 5 isolators with positive pressure-filtered air. At 1 day of age, 2000 PFU of SC9-1 was inoculated subcutaneously
Luntao, Duan +6 more
openaire +2 more sources
Avian Pathology, 2012
Several highly efficacious vaccines are currently available for control of Marek's disease, a lymphoproliferative disease in chickens. However, these vaccines are unable to prevent infection with Marek's disease virus (MDV) in vaccinated birds. This leads to shedding of virulent MDV from feather follicle epithelium and skin epithelial cells of ...
Kamran, Haq +4 more
openaire +2 more sources
Several highly efficacious vaccines are currently available for control of Marek's disease, a lymphoproliferative disease in chickens. However, these vaccines are unable to prevent infection with Marek's disease virus (MDV) in vaccinated birds. This leads to shedding of virulent MDV from feather follicle epithelium and skin epithelial cells of ...
Kamran, Haq +4 more
openaire +2 more sources
Avian Diseases, 2013
Probably the most effective current vaccine against Marek's disease is the live Rispens (CVI988) attenuated serotype 1 Marek's disease virus (MDV). It is unknown whether the currently available Rispens vaccines transmit effectively between chickens. To investigate the kinetics and shedding of three commercially available strains of this virus and the ...
Tanzila, Islam +3 more
openaire +2 more sources
Probably the most effective current vaccine against Marek's disease is the live Rispens (CVI988) attenuated serotype 1 Marek's disease virus (MDV). It is unknown whether the currently available Rispens vaccines transmit effectively between chickens. To investigate the kinetics and shedding of three commercially available strains of this virus and the ...
Tanzila, Islam +3 more
openaire +2 more sources
2014
Marek's disease (MD) is pathology of chickens characterized by paralysis, immumosuppression, and the rapid induction of T-cell lymphomas. MD is caused by an oncogenic alphaherpesvirus, Marek's Disease Virus (MDV). Currently, MD is controlled through vaccination with non-oncogenic vaccine strains comprised of the herpesvirus of turkeys (HVT), or a ...
openaire +1 more source
Marek's disease (MD) is pathology of chickens characterized by paralysis, immumosuppression, and the rapid induction of T-cell lymphomas. MD is caused by an oncogenic alphaherpesvirus, Marek's Disease Virus (MDV). Currently, MD is controlled through vaccination with non-oncogenic vaccine strains comprised of the herpesvirus of turkeys (HVT), or a ...
openaire +1 more source