ACA Fish Stocking Expansion – New Species and Strains
The Alberta Government and ACA currently stock several strains of rainbow trout including the Troutlodge Silver Steelhead and Lyndon strains. Both strains are bred for their fast growth and angling qualities. To assess these qualities in the field, we compared condition and angler harvest of the Silver Steelhead and Lyndon strains at four small, put-and-take fisheries during the summer. Gill nets were used to assess trout relative abundance and condition, angler reports of catching tagged trout, corrected for reporting rate and tag loss, were used to assess angler harvest. Condition of both strains was good overall although both strains lost condition over the summer. Of the 2,250 trout we tagged, anglers reported catching 461 (20%) including 205 Lyndon and 256 Silver trout. Estimates of angler harvest indicated a large proportion of both strains were harvested from most ponds although Silver strain fish appeared to be harvested more rapidly. Millions of rainbow trout are cultured in Alberta every year, small differences in field performance like those assessed in our study have large implications for the quality and efficiency of Alberta’s trout stocking program.
Alberta Environment and Parks, Cabela’s Canada Inc., Lacombe County, Town of Beaumont, Town of High River
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