Hydraulic redd sampling and two-year smolt rearing to reduce domestication in steelhead supplementation programs

Acknowledgements

Steelhead hatchery effects

Slide 4

Annual fish production goals

Obtaining eggs for culture

Hydraulic redd sampling

Embryo collection success

Viability and survival in culture

Targeting release numbers

Selection in yearling smolt programs

Mechanism

Hood Canal Steelhead Conservation Hatcheries

Among-population weight comparison

Slide 15

Male maturation rates

Summary

Hydraulic Redd Sampling

Population size (N) and breeders represented in embryo collection (B)

Slide 20