Dog Size and Lifespan: When Bigger Isn’t Better

Dog Size and Lifespan: When Bigger Isn’t Better

http://www.cesarsway.com/dogcare/doghealth/Dog-Size-and-Lifespan-When-Bigger-Isnt-Better Dog lovers have no doubt noticed that smaller dogs live longer than large ones, and now there’s a scientific study to back that up, as well as a few hypothesis as to why this is true. When compared to the lifespan of other mammals, “smaller size, longer life” would at first glance appear to be counter-intuitive, especially to families that have gone through short-lived pet rats (2 years), hamsters (3 years), or gerbils (4 years). In the non-pet category, chimpanzees live shorter lives than humans — about 45 years vs. 70 years — and elephants have a lifespan comparable to humans. This is nothing, of course, compared to the bowhead...Read More

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