cato lyngøy pan fish asa december 8, 2005 · discharge of contagious pathogens en route to...
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Stun & Bleed on Site
A nightmare from the past – or basis for sustainable salmon farming?
Cato LyngøyPan Fish ASADecember 8, 2005
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Pan Safe® - Pan Fish’ Commitment to Sustainable FarmingPan Safe® - Pan Fish’ Commitment to Sustainable Farming
• Safety for consumer– A pure nutritious product which gives good value for money!
• Safety for the environment– Production based on renewable resources and absence of long
term footprints!
• Safety for the animal– A Pan Fish salmon has a good life!
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Stun & Bleed HeadlinesStun & Bleed Headlines
• Concept• Technology• Capacity• Cost• Quality• Animal Welfare• Biosecurity• Fish Health• Logistics• Challenges• Conclusions
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2.43m
1.42m
3.04m
2.43m1.6m
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8cm inlet for 1100lts per minute water pumps
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Entrance to chutes
Drain
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1m
Air Lift Control
Stunner Counter
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Capacity & CostCapacity & Cost
SERENA JOYE:• Average speed of 4700 – 5300
fish per hour• Maximum speed of 6200 fish
per hour• Crew of 4 bleeder, 4 back up
stunners and one person on the delivery system
• Cost of $.084 CAD (.43 NOK) per kg based on 115,000kg
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6.1meters
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Capacity & Cost 2Capacity & Cost 2
• Harvest speed of 5000 – 6000 fish per hour
• Crew of 7: 4 bleeders 2 back up stunners one person on delivery system
• Maximum speed of 6700 fish per hour
• Capacity : 500 cubic metres– (273,000kg max deadhaul)– (50,000kg max livehaul)
• Based on 150,000kg Harvest $.064 CAD or .33 NOK per kg
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QualityQuality
• A well rested fish is killed with its maximum glycogen level remaining in muscle.
• Time to rigor is a function of hour degrees¨ i.e. by dropping temperature to +1 right away, time to rigor will be prolonged and time in rigor is extended.
• The unbroken chilling chain is established earlier whereas for live haul temperature varies depending on season.
• Two stress elements, transport and ’CO2 -tank’ are eliminated.
• Fillet quality and shelf-life extended
• None?
PRO’S CON’s
Pre-rigortim es:
Standard livehaul+ CO2 tank: 2-8h
Scottish S&B+transporticed in bins: ~18h
Canada S&B+RSW (+1oC): 18-30h
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Serena Joye ’Chill down time’Serena Joye ’Chill down time’
Temperature FluctuationsProbe #31 Starboard
-2.0°-1.0°0.0°1.0°2.0°3.0°4.0°5.0°6.0°7.0°8.0°9.0°
10.0°11.0°12.0°13.0°
TI M E
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Animal WelfareAnimal Welfare
• The way we handle take care of fish with trenching, transportation, CO2 tank, stun & bleed may soon be subject to new legislations.
• Instant kill. Stun & Bleed on site is the ideal way to maintain normal life functions until sudden death.
• Customer satisfaction.• Scrutiny from environmental
organizations – do we stand the test?
• Avoid bigger seines so that a seine may be emptied within a couple of hours.
PRO’S CON’s
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BiosecurityBiosecurity
• Stun & Bleed team must never abandon the boat.
• All blood and mucus goes into the tank.
• Deck is continuously flushed during pumping and dewatering but also prior to leaving the site.
• 100% of blood is contained. Cleaning and disinfection procedure at the end of the day.
• Crew goes off shift once S&B process is completed and they are picked up by crew boat.
• All blood water is pumped into processing plant and disinfected.
• Raingear laundry in processing plant.• Boat washed and disinfected prior to
next job.
• Procedure for cleaning and disinfection of wellboats must be 100%. Just as demanding as in Norway.
• Unsatisfactory cleaned boats pose an enormous risk if used in smolt transport. Our boats are dedicated for harvest only.
PRO’S CON’s
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Fish HealthFish Health
• Entire transport is contained. No discharge of contagious pathogens en route to processing plant (ISA, PD, ?).
• Compromised fish like CMS may be killed instantly without stress and save flesh quality problems.
• Grading and harvest may be done in one operation, ex. CMS.
• Noise of engine and machinery may stress fish on site.
PRO’S CON’s
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LogisticsLogistics
• 18 hours pre-rigor gives 6 hours loading, 10 hours transport, and 2 hours slack.
• Must fill one hold at the time and equally empty in same order.
• Transport capacity increased by a factor of minimum 2.5.
• No need for CO2 tank for buffering and chilling.
• Much improved flow of fish through processing plant – better utilisation of processing line, and less manning.
• Exact count (and potentially size distribution) of fish prior to processing.
• Occupation time of boat per load increases.
• Boat must be fully loaded. Cannot work with half loads. Fish will be shuffled around in hold and loose scales.
• Sensitive to rough weather System is sensitive to breakdown in processing plant.
• System sensitive to sick leave.
PRO’S CON’s
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ChallengesChallenges
• Cultural?• Presence of site crew during
entire harvest. Night shifts. • Mooring?• Need for tailor-made S&B
boats with accommodations, stability, speed, RSW capacity, and biosecurity tools.
• Need for automated stunning and bleeding.
• Guts and brains?
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ConclusionsConclusions
• S&B on site will improve quality of our product, solve critical biosecurity problems, support animal welfare, maintain the integrity of the industry, and potentially reduce cost.
• The industry in Norway has a tendency to believe ”We know best!” and we are the most innovative. This is dangerous!!!
• Funding for developmental projects (ex new type of boats) can be funded through MARUT.
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A bright future for a fantastic productA bright future for a fantastic product