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Sheep

    Building ventilation video guides

    Ventilation expert Jamie Robertson from the University of Aberdeen talks to us about how building adjustments can help to increase productivity. If you want to know more about building ventilation,…

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    Technical note (TN669): Ovine pulmonary adenocarcinoma (OPA)

    Ovine pulmonary adenocarcinoma (OPA also known as Jaagsieke) is a contagious viral disease that leads to lung cancer of sheep. It is caused by Jaagsieke sheep retrovirus (JSRV). It is a significant production limiting disease in many countries of the world including the UK. All breeds are susceptible to OPA and no single breed has been shown to be more susceptible than another.

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