Rat family tree
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Validated

RSH Twiggy ♀ †

RSH TwiggyHimalayan sable black ...Mammary tumor (28 mo)ETR-RSH Umay of ZirraelHimalayan burmese black ...Old age, natural death (29 mo)▶RSH RudolphSiamese burmese ...Old age, natural death (18 mo)▶RSH TwiggyHimalayan sable black ...Mammary tumor (28 mo)▶▶