Change hook baiting technique
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Overall effectiveness category Awaiting assessment
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Number of studies: 1
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How is the evidence assessed?
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Effectiveness
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Supporting evidence from individual studies
A study in 2004–2005 in laboratory conditions in Texas, USA (Stokes et al. 2011) found that loggerhead turtles Caretta caretta were more likely to attempt to swallow thread-baited than single-baited hooks. The odds that loggerhead turtles would attempt to swallow thread-baited hooks were 2.5 times higher than the odds that they would attempt to swallow single-baited hooks, regardless of bait type used or hook size (results presented as model outputs, see paper for details). Turtle responses to individual baited hooks suspended in their tanks were video recorded (each hook presentation = 1 trial). Sixty 45 cm long captive-reared turtles participated in trials, of which 30 turtles participated again when they reached 55 cm and 65 cm long. Trials were carried out in April and October 2004, and May 2005. Modified circle hooks of different sizes (see paper for details) were baited with whole squid Illex illecebrosus or sardines Sardinella aurita and either single-baited or thread-baited.
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This Action forms part of the Action Synopsis:
Reptile Conservation
Reptile Conservation - Published 2021
Reptile synopsis