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Vaccination with herpesvirus of turkey (HVT) vaccine provides protection against clinical Marek's disease (MD) but does not preclude infection with wild-type MD virus (MDV). The quantity of MDV(More)
The polymerase chain reaction (PCR) has recently emerged as an additional tool for the monitoring and diagnosis of Marek's disease. We investigated a number of factors that may influence the(More)
OBJECTIVE To pathotype Australian isolates of Marek's disease virus (MDV) in commercial broiler chickens using standard methods and to evaluate early markers of pathotype. METHODS A complete 3 × 4(More)
OBJECTIVES To examine the effects of varying the doses of turkey herpesvirus (HVT) vaccine and Marek's disease virus (MDV) challenge at two intervals after vaccination on the protection of chickens(More)
Much of the impact of Marek's disease in broiler chickens is considered to be due to immunosuppression induced by Marek's disease virus (MDV). The present study evaluates the effects of an Australian(More)