Telling Tails

Is your pupper zooming with a little less zest? Are they scratching and nibbling themselves relentlessly? Or is their nose and eyes running faster than a greyhound at full speed?  
Similar to people, dogs often lack essential nutrients such as DHA in their diets. This can be a result of their regular diets being too high in grains, cereals or vegetables and not including enough fresh fish or seafood.