The Purina Life Span Study, conducted from 1987 to 2001, represents the first completed canine lifetime restriction study. Findings from he study proved that maintaining dogs in lean body condition extended their media life span by 15 percent or nearly 2 years, for the labrador Retrievers in the study.
Since little is known about the potential harm, if any, to people who care for a pet that is receiving chemotherapy, unnecessary exposure to chemotherapy drugs should be avoided. Chemotherapy drugs are given to destroy cancer cells. While these drugs work on cancer cells, they may also affect normal cells.
Working Group Dogs of the Working Group were bred to perform such jobs as guarding property, pulling sleds and performing water rescues. They have been invaluable assets to man throughout the ages. The Doberman Pinscher, Siberian Husky and Great Dane are included in this Group, to name just a few.