Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.

Biosecurity For Tilpia Industry

1,753 views

Published on

By Nick Stinton, Cefas.

  • Be the first to comment

  • Be the first to like this

Biosecurity For Tilpia Industry

  1. 1. BIOSECURITY FOR THE TILAPIA INDUSTRY NICK STINTON FISH HEALTH INSPECTOR
  2. 2. BIOSECURITY FOR THE TILAPIA INDUSTRY • SO WHAT IS BIOSECURITY ? • WHY DO I NEED BIOSECURITY ? • PREVENTION IS BETTER THAN THE CURE!! • HOW WILL DISEASES ENTER MY SITE?
  3. 3. SO WHAT IS BIOSECURITY?
  4. 4. SO WHAT IS BIOSECURITY? MORE THAN JUST FOOT DIPS!!
  5. 5. SO WHAT IS BIOSECURITY? BIOSECURITY = RISK ANALYSIS COMBINED WITH PRACTICAL, PROCEDURAL AND PHYSICAL MEASURES
  6. 6. WHY DO I NEED BIOSECURITY ? Financial impacts • Direct impacts – Loss of stock – Loss of ‘work-hours’ – Treatment costs – Replacement stock • Indirect impacts – Reduced productivity = increased production costs – Protracted production cycles
  7. 7. WHY DO I NEED BIOSECURITY ? Gaps in production • Honouring orders/contracts – Customer relations – Sourcing alternative stock • Husbandry complications – Holding ‘back’ batches – Treatment withdrawl periods – Disease spreading to healthy stock
  8. 8. WHY DO I NEED BIOSECURITY ? Welfare Distress
  9. 9. WHY DO I NEED BIOSECURITY ? • Financial impacts • Gaps in production • Welfare • Distress
  10. 10. PREVENTION IS BETTER THAN THE CURE!! • Often no cure for the most serious diseases e.g. viral diseases such as KHV in carp production! • Treatable diseases are often too difficult or impractical to treat! • Can treatments be used? • Control of spread of disease in a recirculation system? • Irradication of disease in a recirculation system?
  11. 11. HOW WILL DISEASES ENTER MY SITE? • Water • Staff • Visitors • Other • Introductions
  12. 12. HOW WILL DISEASES ENTER MY SITE? Water • Is your supply clean/been in contact with possible contamination? • Is it adequate? • Can you do anything? • Know your supply
  13. 13. HOW WILL DISEASES ENTER MY SITE? Staff • Do your staff work with any other fish sp? • Do you have disinfection procedures? • Are they used? • Are your staff adequately trained?
  14. 14. HOW WILL DISEASES ENTER MY SITE? Visitors • Can they gain direct access to your site? • Do you restrict access? • Do you have any signs or notices? • Do they sign in? • Where have they been? • Do you have disinfection procedures?
  15. 15. HOW WILL DISEASES ENTER MY SITE? Other • Rodents/vermin? • Shared/second-hand equipment?
  16. 16. HOW WILL DISEASES ENTER MY SITE? Stock • Any movement is a risk! • Be cautious of cheap deals • Can/is it possible to preview your potential stock? • Purchase stock from a trusted supplier • Limit the number of suppliers • Quarantine before placed onto a common recirculation system?
  17. 17. BIOSECURITY • Risk assessment • Identify risks • Quantify risks • Biosecurity measures • Put in place measures to reduce/remove risks • Document your measures • Ensure staff are trained • Enforce
  18. 18. MORE THAN JUST DISEASE Pathogen Environment Stress = DISEASE
  19. 19. MORE THAN JUST DISEASE • PATHOGEN • Keep out • Manage any present pathogens • ENVIRONMENT • Good water quality • Appropriate habitat • Sufficient food • STRESS • Appropriate mix of species • Not over stocked • Handling • Not held in keepnets too long or too many

×