Building blocks for a consistent, safe and quality hatchery diet<br />
Healthy and well fed larval shrimp and fish will perform better in the grow out ponds<br />common sense: <br />children mu...
Healthy and well fed larval shrimp and fish will perform better in the grow out<br />Consumer chooses the cheapest food<br...
Healthy and well fed larval shrimp and fish will perform better in the grow out<br />Pressure on feed producers to reduce ...
These diets have found also entrance in monodon hatcheries</li></li></ul><li>Healthy and well fed larval shrimp and fish w...
For vannamei in Thailand it has been noticed that cheaper post larvae kept on a low cost feeding protocol grow slower and ...
Hatcheries are switching back to cost efficient feeding protocols
Professional  Thai farmers demand proof from vannamei hatcheries that post larvae have been fed with quality diets
In the long run, cost efficiency farming is better than low cost farming</li></li></ul><li>Building blocks for a quality d...
Feed formulation: Least Cost Formulation<br />Set  nutritional  requirements for the formula<br />Analyze incoming  raw ma...
Feed formulation<br />Must be based on nutritional requirements of the targeted aquatic animal and its life stage<br />Too...
Feed formulation<br />Look beyond the label<br />There is more to a formulation than the right protein, lipid, fiber and m...
digestible proteins with the right amino acids
vitamins, minerals
…</li></li></ul><li>Feed formulation<br />
Feed formulation<br />INVE’s standard for larval prawns<br />
Feed formulation: ingredients<br />Ingredients that are safe for the food chain<br />GMO free, free of melanine, low in he...
Feed formulation: safe for the food chain?<br />Max Cadmium EU standard<br />
Feed processing technology<br />Needs to facilitate feeding in farm<br />Long shelflife<br />Provide all nutritional requi...
Feed processing technology: size matters<br />Specialized tumbling sieves to remove dust form the diets<br />
Feed processing technology:<br />Fresh is the Best<br />Challenge of using fresh ingredients<br />Formula contains 70% of ...
spraydrying
Refractance window drying</li></li></ul><li>Spray drying<br />Soup with ingredients<br />Hot air at 180’C<br />Powdered fe...
Refractance Window Drying<br />Soup with ingredients<br />80’C<br />95’C<br />
Operational procedures: quality…every time<br />Quality needs to be defined<br />Quality needs to be monitored<br />Qualit...
Good Manufacturing Practices<br />20 procedures to assure that youreceive quality, consistent and safe diets every time<br />
Good Manufacturing Practice: Working Procedures<br />
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Wim Maartens

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Wim Maartens

  1. 1. Building blocks for a consistent, safe and quality hatchery diet<br />
  2. 2. Healthy and well fed larval shrimp and fish will perform better in the grow out ponds<br />common sense: <br />children must be fed well to become healthy adults.<br />The diet of top athletes is worked out to the outmost details<br />
  3. 3. Healthy and well fed larval shrimp and fish will perform better in the grow out<br />Consumer chooses the cheapest food<br />Traders look for cheaper supply from food processors<br />Food processors want cheaper shrimp/ fish from the farmer<br />Pressure from farmers to supply cheaper larvae<br />reaction from hatchery operators to reduce costs<br />Feed producers respond by offering cheaper diets<br />
  4. 4. Healthy and well fed larval shrimp and fish will perform better in the grow out<br />Pressure on feed producers to reduce quality in order to maintain margin<br /><ul><li>The diets have found fast and easy acceptance by vannamei producers as they are not picky when it comes to eating
  5. 5. These diets have found also entrance in monodon hatcheries</li></li></ul><li>Healthy and well fed larval shrimp and fish will perform better in the grow out<br /><ul><li>In monodon hatcheries in Thailand and the Philippines, survival by using low cost feeding protocols dropped below 50%
  6. 6. For vannamei in Thailand it has been noticed that cheaper post larvae kept on a low cost feeding protocol grow slower and have lower survivals in the grow out ponds.
  7. 7. Hatcheries are switching back to cost efficient feeding protocols
  8. 8. Professional Thai farmers demand proof from vannamei hatcheries that post larvae have been fed with quality diets
  9. 9. In the long run, cost efficiency farming is better than low cost farming</li></li></ul><li>Building blocks for a quality diet?<br />Right ingredients and feed formulation<br />Right feed processing technology<br />Right operational procedures<br />
  10. 10. Feed formulation: Least Cost Formulation<br />Set nutritional requirements for the formula<br />Analyze incoming raw materials on required parameters: e.g. variability of protein content of fish meals<br />Update cost of raw materials<br />Compute the least cost formula with the available raw materials<br /><ul><li>cost efficient and consistent</li></ul>fixed formulations lead to inconsistent feeds<br />
  11. 11. Feed formulation<br />Must be based on nutritional requirements of the targeted aquatic animal and its life stage<br />Too much of one nutrient<br />Not enough of another<br /><ul><li>How can it be cost efficient?</li></ul>Still requires more investigation<br />endless amount of species in aquaculture<br />
  12. 12. Feed formulation<br />Look beyond the label<br />There is more to a formulation than the right protein, lipid, fiber and moisture levels <br /><ul><li>essential lipids
  13. 13. digestible proteins with the right amino acids
  14. 14. vitamins, minerals
  15. 15. …</li></li></ul><li>Feed formulation<br />
  16. 16. Feed formulation<br />INVE’s standard for larval prawns<br />
  17. 17. Feed formulation: ingredients<br />Ingredients that are safe for the food chain<br />GMO free, free of melanine, low in heavy metals<br />Ingredients that are attractive and palatable for prawns/fish<br /><ul><li>Use of fresh marine ingredients opposed to marine meals </li></ul>Ingredients that contain the right nutrients and are digestible by the targeted specie<br />
  18. 18. Feed formulation: safe for the food chain?<br />Max Cadmium EU standard<br />
  19. 19. Feed processing technology<br />Needs to facilitate feeding in farm<br />Long shelflife<br />Provide all nutritional requirements in one particle<br />Easy to apply<br />Needs to produce a water stable particle with the right size and buoyancy<br />Every particle not eaten by the animal is a loss and deteriorates water quality<br />Needs to protect the quality of the ingredients and feed<br /><ul><li>Heat treatment could damage valuable components</li></li></ul><li>Feed processing technology: size matters<br />WASTE<br />Every particle not eaten by the animal is a loss and deteriorates water quality<br />
  20. 20. Feed processing technology: size matters<br />Specialized tumbling sieves to remove dust form the diets<br />
  21. 21. Feed processing technology:<br />Fresh is the Best<br />Challenge of using fresh ingredients<br />Formula contains 70% of fresh ingredients<br />Fresh ingredients contain 90% water<br />We need to use 7 kg of fresh ingredients per kg of dry product and remove at least 6 kg of water without damaging the quality of the fresh ingredients<br /><ul><li>Suitable technology:
  22. 22. spraydrying
  23. 23. Refractance window drying</li></li></ul><li>Spray drying<br />Soup with ingredients<br />Hot air at 180’C<br />Powdered feed at 80’C<br />
  24. 24. Refractance Window Drying<br />Soup with ingredients<br />80’C<br />95’C<br />
  25. 25. Operational procedures: quality…every time<br />Quality needs to be defined<br />Quality needs to be monitored<br />Quality needs to recorded<br />Quality needs to be improved<br />Even the best operational system will cover not all risk<br />In case there is a problem: good operational procedures provide for fast and focused action<br />
  26. 26. Good Manufacturing Practices<br />20 procedures to assure that youreceive quality, consistent and safe diets every time<br />
  27. 27. Good Manufacturing Practice: Working Procedures<br />
  28. 28. Good Manufacturing Practice: in line controls<br />moisture<br />thickness<br />density<br />
  29. 29. Good Manufacturing Practice: lab controls<br />
  30. 30. Good Manufacturing Practices: traceability<br />Be ready for Worst Case Scenario<br />Customer finds problem with finished product A<br />Only recall from customers that received affected lots<br />Lot number of all finished goods that used that lot as an ingredient<br />Lot number of finished product A<br />Lot number of all SMP’s that used that lot as an ingredient<br />Lot number of all SMP’s used to produce A<br />Lot number of all RM’s used to produce A<br />RM’s X with lot number Y caused problem<br />
  31. 31. Building blocks for a cost efficient diet?<br />Right feed formulation<br />Right feed processing technology<br />Right operational procedures<br />Quality<br />Safety<br />Consistency<br />
  32. 32. Thank you<br />

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