Pet food is a global multi-billion dollar industry, but does it cater more to us humans than our four-legged friends? We swap the dinner plate for the dog bowl to find out what we feed our furry companions, and why. We examine the pet food supply chain and find out how intertwined it is with our own, both in terms of raw materials and regulation.And with pet obesity and diabetes increasing in many parts of the world, we ask if we have passed on our own bad eating habits and talk to those trying to reverse the trend. We also hear from a vet on the scientific advisory board for Nestle, the world's second largest pet food manufacturer.Plus, what do a 19th Century electrician and a sailor's biscuit have to do with modern day pet food. And, from raw food to dog bakeries, we bring you the very latest in pet palette trends, including a taste-test of the most exclusive dog treats available on the market.(Photo: Dog with food bowl. Credit: Thinkstock)

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