90 likes | 103 Views
RAISING ADVANCED EXTENDED GROWTH WALLEYES IN NORTHERN WISCONSIN. Walleye Egg Collection and Transport. Walleye Egg Collection and Transport. Walleye Project Egg Incubation and Treatment. In 2007 due to concerns with VHS : Used UV treated water
E N D
RAISING ADVANCED EXTENDED GROWTH WALLEYES IN NORTHERN WISCONSIN
Walleye Project Egg Incubation and Treatment • In 2007 due to concerns with VHS: • Used UV treated water • Disinfected eggs with 100/ppm iodine several ways
Walleye Project Egg Incubation and Treatment • RESULTS • Iodine treated egg hatching success rate ranged from • 25% to 75% depending on treatment. • Untreated control eggs hatching success averaged 63%.
Walleye Project Egg Incubation and Treatment RESULTS • Two most successful methods at NADF were : • Water hardening fertilized eggs in iodine for • approximately 45-60 minutes. • Placing fertilized water hardened eggs in a 10 • minute bath of iodine. • Both methods resulted in 75% hatching success rate
Walleye Project Egg Incubation and Treatment FRYSURVIVAL
Walleye Project – Fingerling Pond Survival Average Survival was 60% Fish size: 33mm – 1000 fish/lb
Project Partners: LCO, Red Cliff Fish Hatchery, WI baitdealers, WiDNR (Spooner hatchery crew) QUESTIONS??????????????