Dysplasia was more severe in bilateral than unilateral cases and with increasing age.
Generally, these cats grow quite slowly and reach maturity only by 3-4 years.
Of all the Maine Coons tested for the MyBPC mutation at the Veterinary Cardiac Genetics Lab at the College of Veterinary Medicine at , approximately one-third tested positive.
The trait was almost eradicated from the breed due to the fact that it was an automatic disqualifier in show rings.
They possess keen hunting instincts but are gentle giants.
Seafarers who used cats to control rodent populations on their sailing ships probably brought some longhaired cats with them to the New World.