Scientific experiments with the herpesvirus such as the one that causes Marek's disease in poultry have confirmed, for the first time, the highly controversial theory that some vaccines could allow more-virulent versions ...
Jul 27, 2015 in Evolution
Poultry disease is an international issue, especially when there is an outbreak close to home. However, it's a particularly costly problem in developing countries.
Jun 30, 2015 in Ecology