Chapter 1 - On-farm strategies for preventing pig diseases: improving biosecurity: Jeroen Dewulf and Dominiek Maes, Ghent University, Belgium ; 1 Introduction 2 What is biosecurity? 3 External biosecurity measures 4 Internal biosecurity measures 5 Measuring biosecurity 6 Conclusion 7 References Chapter 2 - Disease identification and management on the pig farm: Dominiek Maes, Jeroen Dewulf, Filip Boyen and Freddy Haesebrouck, Ghent University, Belgium ; 1 Introduction 2 Disease identification 3 Disease management and control: overview 4 External biosecurity 5 Internal biosecurity 6 Vaccination and antimicrobial medication 7 Future trends in diagnostics and disease monitoring and control 8 Conclusion 9 Where to look for further information 10 References Chapter 3 - Improving biosecurity in poultry flocks: Jean-Pierre Vaillancourt and Manon Racicot, Université de Montréal, Canada; and Mattias Delpont, École Nationale Vétérinaire de Toulouse, France ; 1 Introduction 2 Reducing sources of contamination: cleaning and disinfection of poultry barns 3 Reducing sources of contamination: equipment and vehicles 4 Reducing sources of contamination: water and feed hygiene 5 Reducing sources of contamination: insect, mite and rodent pests, wild birds and pets 6 Reducing sources of contamination: manure, litter and dead birds 7 Separating healthy birds from sources of contamination: zoning production sites 8 Separating healthy birds from sources of contamination: hatchery 9 Separating healthy birds from sources of contamination: regional biosecurity 10 Biosecurity compliance 11 The economics of biosecurity 12 Conclusion and future trends 13 Where to look for further information 14 References Chapter 4 - Food safety management on farms producing beef: Peter Paulsen, Frans J. M. Smulders and Friederike Hilbert, University of Veterinary Medicine, Austria ; 1 Introduction 2 Good farming practices and biosecurity for beef cattle farms 3 Animal handling and animal welfare 4 Clean cattle policy 5 From GFP to pre-harvest food safety management: the case of E. coli O157 6 Quality assurance programmes for beef production 7 Summary 8 Future trends in research 9 Where to look for further information 10 References Chapter 5 - Biosecurity and safety for humans and animals in organic animal farming: K. Ellis, Scottish Centre for Production Animal Health and Food Safety, University of Glasgow, UK ; 1 Introduction 2 The challenges of biosecurity risk in organic farming 3 Food safety summary 4 Controlling infectious diseases 5 Conclusions and future trends 6 Case studies 7 Where to look for further information 8 References.