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. Author manuscript; available in PMC: 2019 Mar 19.
Published in final edited form as: Behav Brain Res. 2016 May 20;311:219–227. doi: 10.1016/j.bbr.2016.05.040

Fig. 1.

Fig. 1.

Schematic illustrating the development of gnotobiotic zebrafish groups. Immediately after fertilization, zebrafish embryos were collected and randomly split into 3 groups. One group was collected directly into a sterile petri dish containing conventional fish water (CR group). The other 2 groups of embryos were sterilized and then collected into tissue culture flasks containing either sterile fish water (GF group) or conventional fish water (CV group). Embryos were maintained at ~1 embryo/mL until testing at 6 dpf.