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Foods which are poisonous to dogs.
Most dogs love food, and they?re especially attracted to what they see us eating. While sharing the occasional tidbit with your dog is fine, it?s important to be aware that some foods can be very dangerous to dogs. Take caution to make sure your dog never gets access to the foods below. Even if you don?t give him table scraps, your dog might eat something that?s hazardous to his health if he raids kitchen counters, cupboards and trash cans. For advice on teaching your dog not to steal food, please see our article, Counter Surfing and Garbage Raiding.
Avocado leaves, fruit, seeds and bark may contain a toxic principle known as persin. The Guatemalan variety, a common one found in stores, appears to be the most problematic. Other varieties of avocado can have different degrees of toxic potential.
Birds, rabbits, and some large animals, including horses, are especially sensitive to avocados, as they can have respiratory distress, congestion, fluid accumulation around the heart, and even death from consuming avocado. While avocado is toxic to some animals, in dogs and cats, we do not expect to see serious signs of illness. In some dogs and cats, mild stomach upset may occur if the animal eats a significant amount of avocado flesh or peel. Ingestion of the pit can lead to obstruction in the gastrointestinal tract, which is a serious situation requiring urgent veterinary care.
Avocado is sometimes included in pet foods for nutritional benefit. We would generally not expect avocado meal or oil present in commercial pet foods to pose a hazard to dogs and cats.
Raw bread dough made with live yeast can be hazardous if ingested by dogs. When raw dough is swallowed, the warm, moist environment of the stomach provides an ideal environment for the yeast to multiply, resulting in an expanding mass of dough in the stomach. Expansion of the stomach may be severe enough to decrease blood flow to the stomach wall, resulting in the death of tissue. Additionally, the expanding stomach may press on the diaphragm, resulting in breathing difficulty. Perhaps more importantly, as the yeast multiplies, it produces alcohols that can be absorbed, resulting in alcohol intoxication. Affected dogs may have distended abdomens and show signs such as a lack of coordination, disorientation, stupor and vomiting (or attempts to vomit). In extreme cases, coma or seizures may occur and could lead to death from alcohol intoxication. Dogs showing mild signs should be closely monitored, and dogs with severe abdominal distention or dogs who are so inebriated that they can?t stand up should be monitored by a veterinarian until they recover.
Chocolate intoxication is most commonly seen around certain holidays?like Easter, Christmas, Halloween and Valentine?s Day?but it can happen any time dogs have access to products that contain chocolate, such as chocolate candy, cookies, brownies, chocolate baking goods, cocoa powder and cocoa shell-based mulches. The compounds in chocolate that cause toxicosis are caffeine and theobromine, which belong to a group of chemicals called methylxanthines. The rule of thumb with chocolate is ?the darker it is, the more dangerous it is.? White chocolate has very few methylxanthines and is of low toxicity. Dark baker?s chocolate has very high levels of methylxanthines, and plain, dry unsweetened cocoa powder contains the most concentrated levels of methylxanthines. Depending on the type and amount of chocolate ingested, the signs seen can range from vomiting, increased thirst, abdominal discomfort and restlessness to severe agitation, muscle tremors, irregular heart rhythm, high body temperature, seizures and death. Dogs showing more than mild restlessness should be seen by a veterinarian immediately.
Ethanol (Also Known as Ethyl Alcohol, Grain Alcohol or Drinking Alcohol)
Dogs are far more sensitive to ethanol than humans are. Even ingesting a small amount of a product containing alcohol can cause significant
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