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Table 2 Percent survival and percent tag/mark retention (±SE) for Oregon chub 30 and 150 days after treatment

From: Comparison of three methods for marking a small floodplain minnow

  30 days 150 days
Survival Retention   Retention
Treatment Mean Range P value Overt mark Tag Survival P value Overt mark Tag
Control 100 - NA   - 96 -   -
Freeze brand 100 - NA 98 (1.7) 100 97 0.788 81 98
PICO-tag 96 (2.2) 90-100 0.019   98 (1.0) 94 0.5   95
PIT-tag 86 (2.5) 80-90 <0.001   91 (3.2) 82 0.001   89
PIT-tag + NTR 85 (3.9) 77-90 <0.001   95 (2.8) 82 <0.001   95
Sham 98 (1.8) 93-100 0.123   - NA -   -
VIE 99 (0.8) 97-100 0.5 91 (4.1) 98 (1.7) 98 0.5 88 99
  1. Data for each treatment group represents the mean of four replicate tanks (n = 30 fish/tank). P values reflect a one-way binomial significant test and were not adjusted for multiple comparisons. Overt marks were tags that were subjectively scored a 0.