Ph.D. thesis submitted to the Boyd Orr Centre for Population and Ecosystem Health, Institute for Biodiversity, Animal Health and Comparative Medicine, College of Medical Veterinary and Life Sciences, University of Glasgow, September 2015.
Thesis
Thesis (Ph.D.) -- University of Glasgow, 2015.
Bibliography
Includes bibliographical references (pages 172-193).
Note
Electronic version also available via Enlighten : Theses http://theses.gla.ac.uk/7232/