Extracted from National Geographic website hwere you can find the Chocolate Chart for your Breed:

http://ngm.nationalgeographic.com/2007/10/pets/chocolate-chart-interactive.html

If your chocolate lab loves to eat chocolate, don’t give in! Learn how much of each kind of chocolate can harm your best friend.

Chocolate contains theobromine, a naturally occurring stimulant found in cocoa beans that can cause vomiting, heart problems, seizures, and even death for dogs.

How much chocolate is too much? It depends on the type of chocolate and the weight of the dog.

Doberman Pincher Puppy

Average weight: 1 kg

EFFECT ON DOGS
	Vomiting and Diarrhea	Rapid Heartbeats	Tremors and Seizures	Potential Death
White chocolate	715.2 gm	1430.41 gm	2154.62 gm	3576.04 gm
Milk chocolate	11.92 gm	23.84 gm	35.76 gm	59.6 gm
Dark chocolate	5.65 gm	11.31 gm	16.97 gm	28.29 gm
Semi-sweet	5.24 gm	10.48 gm	15.73 gm	26.22 gm
Baking chocolate	1.74 gm	3.49 gm	5.24 gm	8.74 gm
Cocoa	1 gm	2.01 gm	3.02 gm	5.04 gm

Golden Retriever

Average weight: 34 kg

EFFECT ON DOGS
	Vomiting and Diarrhea	Rapid Heartbeats	Tremors and Seizures	Potential Death
White chocolate	19670.16 gm	39340.33 gm	59010.5 gm	98350.83 gm
Milk chocolate	327.83 gm	655.67 gm	983.5 gm	1639.18 gm
Dark chocolate	155.66 gm	311.32 gm	466.98 gm	778.31 gm
Semi-sweet	144.24 gm	288.49 gm	432.74 gm	721.23 gm
Baking chocolate	48.08 gm	96.16 gm	144.24 gm	240.41 gm
Cocoa	27.77 gm	55.55 gm	83.32 gm	138.87 gm

*Note: Exact amount needed for each effect can vary depending on the brand of chocolate and the quality of the cocoa