Parasite intensity drives fetal development and sex allocation in a wild ungulate - Aleuy, O. Alejandro (University of Calgary. Department of Ecosystem and Public Health) ; Serrano Ferron, Emmanuel (Universitat Autònoma de Barcelona. Grup de Recerca Wildlife Ecology & Health) ; Ruckstuhl, Kathreen E. (University of Calgary. Department of Biological Sciences) ; Hoberg, Eric P. (University of New Mexico. Museum of Southwestern Biology and Department of Biology) ; Kutz, Susan (University of Calgary. Department of Ecosystem and Public Health)