− | Dog that live indoors are more likely to have access to chocolate. Also puppies are at a greater risk of eating food that is not intended for their consumption. Small breeds of dogs may reach the toxic threshold of methylxanthine concentration per body weight more easily <ref name="multiples">Tilley Smith'''The 5-Minute Veterinary Consult Canine and Feline''' (Second Edition), ''Lippincott, Williams and Wilkins''</ref>. | + | Dog that live indoors are more likely to have access to chocolate. Also puppies and dogs that scavenge are at a greater risk of eating food that is not intended for their consumption. Small breeds of dogs may reach the toxic threshold of methylxanthine concentration per body weight more easily <ref name="multiples">Tilley Smith'''The 5-Minute Veterinary Consult Canine and Feline''' (Second Edition), ''Lippincott, Williams and Wilkins''</ref>. |