Australian Cattle Dog: The dog who holds the Guinness record for longest life span was an Australian Cattle Dog named Bluey, who lived to be 29 years old. Thatâs astounding. I donât know of any ACDs who have approached that record, but I do know this breed can live a good 12 to 15 years, sometimes longer.
Diabetes Mellitus is a major risk factor for Peripheral Arterial Disease. A leg turning black and cold may be a sign of severe arterial insufficiency resulting on gangrene. Also, another condition called Venous Insufficiency may cause the leg to turn dark red or bluish when the person is in a sitting or standing position. Gangrene.
3. A diet deficient in the amino acid tyrosine can cause black catsâ hair color to change from black to reddish. Tyrosine is needed to make melanin, the dark pigment in cat fur, and if a cat doesnât get enough tyrosine in his diet, his ebony fur may fade. Other nutritional issues such as copper deficiency and zinc excess can cause black fur to lighten, too.