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Commission plans hatch‑box sanitation and Trask hatchery visit after members report unexplained loss of ~3,000 fry
Summary
Members agreed to contact Trask transfer hatchery to learn sanitation and mitigation practices and to arrange a site visit; speakers reported an estimated unexplained disappearance of about 3,000 fish between early life stages and discussed photo‑counting and other troubleshooting.
The Depoe Bay Standard Enhancement Commission devoted primary discussion Nov. 24 to preparing hatch boxes, coordinating with a transfer hatchery and troubleshooting unexplained early‑life losses in their rearing program.
Commission member (Speaker 3) said the group will "call one of the hatcheries" to learn what they use to sanitize boxes and to identify mitigation strategies; Speaker 2 agreed to contact Trask and check scheduling for a possible tour. Members noted burlap and other supplies were ready and emphasized checking water supply and sanitation prior to egg arrival.
During discussion Speaker 3 said the group has an estimate of prior losses attributable to parasites and that "we're always missing about 3,000 fish" — described in the meeting as disappearance between early egg/alevin stages and later smolt stages rather than observed mortality. Members recommended asking other facilities about their unexplained disappearance rates and suggested using photo‑counting software for very large egg tallies.
The commission also discussed timing: Speaker 3 said there is "about a month" to prepare hatch boxes before eggs are expected; members agreed to hold an informal pre‑deployment meeting and coordinate a field trip to the transfer hatchery. No formal policy action or funding appropriation was recorded in the transcript; the discussion focused on logistics, sanitation strategies and data‑collection methods to reduce losses.
