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Wilson, B.
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A total of 13,564 migrating adult chum salmon (Oncorhynchus keta) was enumerated at a weir on the Fishing Branch River from 31 August to 22 October 1998. The run was estimated to be 60% female (n=13,564) and 77.4% age 41, 22.1% age 51, and 0.4% age 61 (n=730). Fork length (mm) averaged 671 for males and 628 for females (n=750). A sample of 29 carcasses obtained at the weir was 65.5% age 41, 31.0% age 51, 3.4% age 61, and 72% female. Milt/egg retention averaged 25% for male and 20% for female carcasses (standard deviation for each = 33%). Six grey and 189 orange spaghetti tags were observed; 46% of these, and four radio tags, were recovered. Spaghetti tag loss was identified on four of 10,440 fish examined. Seventy-four...
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