How can I know why my dogs can eat chocolate?
Dogs should never be given chocolate. The more they eat, the more danger they are in of chocolate toxicity. Your dogs may be able to eat small amounts of chocolate and if you have given it to them repeatedly, even built up a bit of tolerance to it. Though, like people; different foods effect different dogs uniquely. Let me add an insert to help explain why dogs _and_ cats should not be given chocolate. The toxic components in chocolate are theobromine and caffeine, although the theobromine is the biggest toxin to be worried about. The toxic and potentially fatal dose of chocolate is 60mg/kg. So a 10 lb dog would only need to consume 300mg of chocolate, or as little as 100mg to start having signs of problems. To put this in perspective, a 5 oz milk chocolate bar has 250mg of theobromine, the same as 30 semisweet chocolate chips. But a dark chocolate bar (with 70% cocoa), has 600 mg of throbromine. And one ounce of dry cocoa powder has 700 mg of theobromine. So a dog only has to eat only
