The Russian Blue stands out for his coat color. To the uninformed, he might look gray, but in cat show terms he is an even, bright blue with silver-tipped hairs that make him seem to glisten. Some Russian Blue kittens are born with “ghost stripes,” a reminder of the tabby gene that all cats carry, even if it isn’t expressed in their coat, but these generally fade, leaving the cat with the solid blue coat of maturity.
Rapid breathing (tachypnea) is a respiratory disorder characterised by abnormal breathing that is rapid and shallow.  It is caused by a reduced level of oxygen, mechanical disorders (where the lungs aren’t able to expand as they should, usually due to a build-up of fluid in or around the lungs), and physiological disorders in which the cat’s respiratory centre in the brain is over stimulated.
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