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This study addresses the challenge of collecting blood samples from zebrafish for biochemical analysis. Traditional methods are cumbersome due to low blood flow and rapid coagulation. Based on a previously published technique, we simplified the process by applying an anticoagulant solution directly to the incision site. The modified protocol involves immersing the fish in an ice bath, making a cross-sectional incision, and immediately applying anticoagulant solution. Centrifugation of the specimens provides a streamlined and efficient approach to zebrafish fluid sample collection, compatible with classic biochemical marker analyses.
Silva et al. (Thu,) studied this question.