116 



3-2.2.2 Least numerous sex - female, male use - 

 pair 23 



3.2.2.3 Least numerous sex - male, male use - 

 single with repeat 23 



3.2.2.4 Least numerous sex - male, male use - pair 

 with repeat 24 



3.2.3 Diallel 24 



3.3 Partial Spawning 25 



33. 1 Evaluation of partial spawning 25 



3. 3.2 Egg planting 



a possible alternative to partial spawning 26 



Daily operational guidelines (addressed under other 



subheadings?) 26 



Surplus of one sex (covered under mating schemes) 26 



4. REARING PROTOCOLS 29 



4. 1 Incubation 30 



4.1.1 Incubation density 30 



4. 1 .2 Substrate 30 



4. 1 .3 Light 3 1 



4.1.4 Temperature and oxygen 31 



4.2 Juvenile Rearing 3 1 



4.2. 1 Rearing densities 3 1 



4.2.1.1. Culling excess juveniles 32 



4.2.2. Container hydraulics 32 



4. 2. 3. Habitat complexity 33 



,^ 4.2.4. Feeding conditions 33 



4.2.5. Feeding and predator avoidance behaviors 34 



4.2.6. Fish size and nutritional status at. release 34 



5. RELEASE PROTOCOLS 38 



5.1. Number of Hatchery Fish to Release 38 



52. Life Stage at Release 38 



5.3. Release Procedures 40 



5.3.1 Smolt releases 40 



5.3.2 Pre-smoli releases 4 1 



54. Residualized Juveniles 41 



6 GLOSSARY 43 



7, BIBLIOGRAPHY 43 



