Cover -- Copyright -- Foreword -- Executive Summary -- Table of contents -- Figures -- Tables -- 1. Introduction -- 1.1 Background and Relevance -- 1.2 Objectives -- 2. Final Report -- 2.1 What are the sources/carriers of human pathogenic strains and what are the key species for a range of catchments? -- 2.1.1 Introduction -- 2.1.2 Species and strains of Cryptosporidium infecting wildlife -- 2.1.2.1 Wildlife Population density -- 2.1.2.2 Volume of wildlife manure -- 2.1.2.3 Marsupials -- 2.1.2.4 Feral Pigs -- 2.1.2.5 Deer -- 2.1.2.7 Rodents -- 2.1.2.8 Rabbits -- 2.1.3 Species and strains of Cryptosporidium infecting domestic livestock -- 2.1.3.1 Population density of domestic livestock -- 2.1.3.2 Volume of domestic livestock manure -- 2.1.4 Key species for a range of catchments -- 2.2 What is the contribution of pre and post weaned cattle and sheep to catchment contamination? -- 2.2.1 Cattle -- 2.2.2 Sheep -- 2.3 What data on animal management practices (including vegetation management of riparian zones) is available? -- 2.3.1 Introduction -- 2.3.2 Compulsory land acquisition by government and drinking water companies -- 2.3.3 Restricting stock access to Riparian areas -- 2.3.4. Other strategies -- 2.4 What are the different climatic zones across catchments and how will this impact on the survival and transmission of Cryptosporidium? -- 2.4.1 Introduction -- 2.4.2 Different climatic zones across catchments -- 2.4.2.1 Sydney, New South Wales (NSW) -- 2.4.2.2 Melbourne, Victoria (Vic) -- 2.4.2.3 Adelaide, South Australia -- 2.4.2.4 Western Australia -- 2.4.3 Effects of climate on the survival and transmission of Cryptosporidium -- 2.4.3.1 Temperature -- 2.4.3.2 Desiccation -- 2.4.3.3 Solar inactivation -- 2.5 What are the key research gaps? -- 2.6 Conclusions and perspectives -- 3. References.