Pedro Villegas, professor of avian medicine, received an honorary degree in veterinary medicine from the Universidad Complutense de Madrid in Spain. The Doctor Honoris Causa degree was awarded to Villegas for his contributions to the development and understanding of poultry diseases that have an impact on the poultry industry. His research includes the discovery of the VG/GA strain of the Newcastle disease virus, and a vaccine used worldwide for the control of this costly disease in chickens.