Moist Air Incubation

And Deep Matrix Incubation Box

Experiment at Lookingglass FH

• 2010 used MAI to Incubate 30 Females

• All females spawned on the same day

• 21 females’ eggs split into 2 egg trays

• 9 females’ eggs into 1 egg tray

• MAI unit temperature set at 44 F

• MAI unit is 58”W x 82”H x 31”D

Monitoring

• Temperature inside MAI verified by independent thermometer

• No formalin, no signs of fungus

• Eggs had strong eye at 480 TU’s

• Eggs picked, eyed up at 93%

• 122,256 total eggs, 113,700 good and 8,556 dead

• Average fecundity 4,075

Deep Matrix Incubation Box• Come in 2-3 sizes or egg capacity• Put 50K-60K eggs per box• Plumbed in with flows at 5 gpm• Eggs placed on top of screen plate, 3/16 x 3/4

• Koch ring media up to 6-8 inches deep• Eggs hatch on top of screen plate, then

pass through plate down into Koch rings • Swim up fry swim out into rearing unit• Cost: $950/unit, 5 or more-$900/unit

• Traditional otolith mark

• Traditional otolith mark

• MAI otolith mark

• MAI otolith mark

Near future• Smaller MAI units with a capacity of 30-

150K eggs

• Units will be more plug and play

• Tod Jones hopes to give a presentation or paper at the next NWFCC in Vancouver o

• Brian Ashton shop remodel finished, will catch up on backlog of orders

• Considering mfg. site in Sandpoint, Id.

Summary

• New Technology• Benefit-no formalin• Benefit-water conservation• Benefit-environmentally friendly• Benefit-otolith marking• Benefit-no need for large water chillers• Benefit-space saver• Benefit-alarm system integration

Summary

• Need to have a place for eggs before they hatch

• Need to have replacement parts on hand: High pressure pump head (replacement head comes with new models) and chiller refrigerant (available at auto parts stores as R134A)

Contact Information

• Tod Jones 503-791-9854

• Brian Ashton 907-305-0400 or

ashtonb@ared.net

Company names are Redd Zone Inc. and ARED Inc.

Try www.ared.net, if you’re feeling lucky