Describe the common varieties of rats used for research and as pets
What will be an ideal response?
Because of mutations and selective breeding, both the black and brown rat can be found in several colors. The
white laboratory rat is a descendant of albino strains.
Rats can have red, black, ruby, and odd-colored eyes. Rats with odd-colored eyes will have one pink eye
and one dark ruby or black eye.
Solid-colored rats may be Cream, Fawn, Blue, Champagne, Chocolate, Lilac, and Mink.
Some may have a single body color, but the coat has more than one color on each hair. These are known as
agouti colored. Common agouti colors are Blue, Chinchilla, Cinnamon, Pearl, and Lynx.
Common marked patterns are hooded rats, which have a white body; a colored hood that covers the head,
chest, and shoulders; and have a stripe from the hood down the back to the tail.
Capped rats are white with a colored cap on the head.
Variegated rats are white but have a colored head and front shoulders, with small and numerous color
splashes on the body.
A Dalmatian rat is white with color splashes over the entire body.
A Masked rat is white with a colored cover or mask across the face and eyes.
Rats with a Berkshire marked pattern are colored above, but have a white belly.
Rats may even have a Rex or curly hair coat and curled whiskers.
All the various colors may also be found in Satin.
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