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.
Bacteria, fungal pathogens and insects can cause fruit trees to develop black leaves. Bacterial spot is the result of the bacterium Zanthomonas pruni attacking fruit trees. It typically presents itself as discolored spots on the foliage that begin to blacken and enlarge and can engulf the entire leaf.