J. T. Ellis - University of Technology Sydney
D. A. Morrison - University of Technology Sydney
S. Liddell - Parasite Biology and Epidemiology Laboratory, Livestock and Poultry Sciences Institute, Agricultural Research Service, US Department of Agriculture, Beltsville, Maryland 20705, USA
M. C. Jenkins - Parasite Biology and Epidemiology Laboratory, Livestock and Poultry Sciences Institute, Agricultural Research Service, US Department of Agriculture, Beltsville, Maryland 20705, USA
O. B. Mohammed - King Khalid Wildlife Centre, National Commission of Wildlife Conservation and Development, P.O. Box 61681, Riyadh 11575, Saudi Arabia
C. Ryce - University of Technology Sydney
J. P. Dubey - Parasite Biology and Epidemiology Laboratory, Livestock and Poultry Sciences Institute, Agricultural Research Service, US Department of Agriculture, Beltsville, Maryland 20705, USA