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Marek's disease: A global challenge to poultry health and productivity [PDF]
Marek's disease is a neuropathic and lymphoproliferative viral condition that primarily affects chickens and occasionally affects quail and turkeys.
Sri Mulyati +17 more
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STUDIES ON THE PROTECTIVE EFFICACY OF DIFFERENT TYPES AND COMBINATION OF MAREK'S DISEASE VIRUS VACCINES [PDF]
Marek's disease (MD) is one of the most known clinical neoplastic conditions of chicken The disease was first recognized as clinical entity by Marek in 1907. In Egypt, the disease was first recorded by Shebl et al. (1975) and it has been incriminated for
A.N. SAMI +6 more
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HISTORY AND CURRENT STATUS OF MAREK'S DISEASE IN TURKEYS
Mareks disease (MD), caused by a highly contagious and oncogenic herpesvirus, causes immunosuppression and tumours in chickens. Although several reports on occurring lymphomas (MD-like conditions) in turkeys were published in the past less attention has
Awad Shehata +2 more
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Experience with Marek’s Disease Vaccine
Abstract The results of 50 clinical trials conducted in 7 countries with a cell-associated Marek’s disease vaccine * have been summarized. Over 93,000 controls and more than 70,000 vaccinated layer chickens have been observed for the first 16 weeks, or more, of age.
M A, Norcross, A D, Rankin
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Herpesvirus of turkeys (HVT), used originally as a vaccine against Marek’s disease (MD), has recently been shown to be a highly effective viral vector for generation of recombinant vaccines that deliver protective antigens of other avian pathogens.
Na Tang +6 more
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A Marek’s Disease Vaccination Trial
Abstract The New Brunswick Poultry Test Station was utilized to examine the protection afforded by a Marek’s disease vaccine administered to day old chicks via the subcutaneous route. Four commercial Leghorn-type strains of chickens were used. The vaccine was equally effective in all strains in affording protection during the brooding and growing ...
J E, Lancaster, W K, Barr, B R, Bartlett
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Pathogen transmission from vaccinated hosts can cause dose-dependent reduction in virulence.
Many livestock and human vaccines are leaky because they block symptoms but do not prevent infection or onward transmission. This leakiness is concerning because it increases vaccination coverage required to prevent disease spread and can promote ...
Richard I Bailey +6 more
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Avian influenza viruses (AIVs) are highly contagious and have caused huge economical loss to the poultry industry. AIV vaccines remain one of the most effective methods of controlling this disease.
Pengxiang Chang +6 more
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Avian viral diseases including avian influenza, Marek’s disease and Newcastle disease are detrimental to economies around the world that depend on the poultry trade.
Angita Shrestha +2 more
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Vaccination Aganist Marek’s Disease with the Turkey Herpesvirus Vaccine , ,
Abstract It was found that maternal antibody to HVT did not affect the incidence of macroscopic MD lesions in birds vaccinated with cell-free HVT at day of age. Even in groups of chickens receiving the lowest dose (125 PFU), of HVT, protection against MD was almost the same as in groups given the largest dose.
C S, Eidson, S H, Kleven, D P, Anderson
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