Contents
Acknowledgements v
Acronyms and abbreviations vi
Executive summary vii
Introduction 1
Background and rationale 1
Target audience 2
SECTION 1
Defining biosecurity 3
Basic principles of biosecurity at the farm level 3
SECTION 2
Swine diseases, routes of transmission and implications
for biosecurity 5
Main diseases affecting swine 5
Infectious diseases with transboundary implications 5
Other severe infectious diseases 5
Endemic production diseases 6
Zoonoses 6
Routes of disease transmission and implications for biosecurity 7
Direct pig-to-pig contact 7
Semen 7
Airborne transmission 7
People 7
Vehicles and other fomites 8
Pig feed, including swill feeding, and drinking-water 8
Pig manure and bedding 8
Birds, bats, rodents, feral and wild pigs and stray/domestic animals 9
Arthropods 10
SECTION 3
Structure of pig production and marketing chains 11
Pig production systems 11
Scavenging pigs 11
Small-scale confined pig production 12
Large-scale confined pig production 13
Large-scale outdoor pig production 15