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Species specific
This page provides access to searchable, hypertext listings of inbred strains of mice and inbred strains of rats. Both sets of information were provided by Dr. Michael FW Festing (MRC Toxicology Unit) and were converted for Web presentation by the Mouse Genome Informatics Group at The Jackson Laboratory.
These photographic guides should be used in conjunction with our Welfare Monitoring Tools to identify behaviours which indicate positive and negative welfare. Video guides to behaviour are also available.