• Norwegian
• Escapes
  • Escapes overview
  • Number of escapes
  • Presence in rivers
  • Causes and liabilities
  • Ecological effects
  • Genetic effects
  • Efforts to reduce escapes
• Salmon lice
  • Sea lice overview
  • Life cycle
  • Production of salmon lice
  • Potential of spreading
  • Effects of salmonids
  • Fighting salmon lice
• Discharges
  • Discharges overview
  • Organic discharges and nutriens
  • Copper antifouling
  • Salmon lice pharmaceuticals
  • Antibiotics
• Feed resources
  • Feed overview
  • What is fish feed made of?
  • Feed accounts for salmon farming
  • Marine feed resources
  • Alternative feed resources
• Food safety
  • Food safety overview
  • Heavy metals
  • PCBs and dioxins
  • Dyes in salmon
• Fish health
  • Fish health overview
  • Bacterial diseases
  • Viral diseases
  • Parasites
  • The use of pharmaceuticals
• Legislation
  • Legislation main page
• Key figures
  • Global production
  • Norwegian production
  • Aquaculture licences
  • Export value
  • Loss in production
• References

Environmental challenges

Aquaculture map