Efficacy of glyoxal acid-free (GAF®) as a non-toxic fixative for fish gonads, gametes and larvae: widespread implications for laboratory studies, field sampling and applied aquaculture
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Context: Traditional fixatives such as buffered formaldehyde (BF) and paraformaldehyde (PFA) are widely used but raise health concerns due to their toxicity. Their use is increasingly subject to regulatory restrictions, calling f... ...
