2019-01-252019-01-251999NAGA 22 (2): 32-34https://hdl.handle.net/20.500.12348/2480In many developing countries, availability of suitable tags for use in genetics and aquaculture research has been a problem as they are often expensive and have to be imported from other countries. A simple and inexpensive method used by scientists in Ghana that can be tried and improved by others is described in this article.application/pdfCC BY 4.0Journal Article