Challenges in the diagnosis and control of Marek’s disease virus in Colombia

Retos en el diagnóstico y control del virus de la enfermedad de Marek en Colombia

Although the Colombian poultry industry has almost doubled its production in the last decade, our ability to diagnose and characterize avian pathogens is deficient, and there is little information of the circulating viral pathogens. One of these pathogens is Marek disease virus (MDV), which is an immunosuppressive agent that can cause high mortality rates and substantial production losses. Currently, there are few documented clinical cases due to the implementation of mass vaccination programs with GaHV-2 strains (serotype I) and HVT (serotype III). However, losses in production rates are likely occurring due to immunosuppression and subclinical infections. The objective of this review is to describe MDV and the current status of the infection in Colombia.

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