Is there really any chocolate in a Mc D;s shake :blink:
in any case the amount of chocolate is low enough as to not cause any real harm
<a href="http://www.talktothevet.com/ARTICLES/DOGS/chocolatetoxic.HTM" target="_blank">Chocolate
Toxicity In Dogs</a>
"Using a dose of 100 mg/kg as the toxic dose it comes out roughly as:
1 ounce per 1 pound of body weight for Milk chocolate
1 ounce per 3 pounds of body weight for Semisweet chocolate
1 ounce per 9 pounds of body weight for Baker's chocolate.
So, for example, 2 oz. of Baker's chocolate can cause great risk to an 15 lb. dog. Yet, 2 oz. of Milk chocolate usually will only cause digestive problems"