Abstract
Traditionally, morphological, conventional, and toxicological approaches have been used to demonstrate neurotoxicity; however, there has been a growing interest in animal behavioral methods for assessing neurotoxicity, both at the scientific and regulatory levels. Zebrafish (Danio rerio) is a small tropical freshwater fish currently recognized as a suitable model organism for investigating developmental neurotoxicity. There are many animal-tracking software programms used for behavioral analysis in biomedical research. Some of these software programms require a fee, which may exceed the laboratory budget and require detailed technical equipment. As a solution, freely available programs can be used. However, animal tracking may not be possible due to the glare from the aquatic environment of fish, and the small size of zebrafish embryos makes animal tracking difficult. In our laboratory, we developed a semi-automatic system to overcome these difficulties by using three different software available for free. This chapter explains the system for zebrafish embryos and adult zebrafish.
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