But for dogs, they spell big trouble. When we talk about grapes (of any color and including seedless), we are also talking about raisins, currants, and grape juice. These fruits contain toxins that can poison your dog and potentially cause acute kidney failure and even death in 72 hours or less.
It only takes 7 to 10 unprocessed bitter almonds to kill. Processing by baking or boiling destroys the toxin and makes them safe to use, but they're still banned for sale in the U.S. Other nuts that are safe for humans are still outright toxic to dogs.
Yes, seriously. Just 2-3 jelly beans, depending on those variables, can be enough to kill your dog.
Grapes cause acute kidney failure in dogs. The toxins in grapes appear to attack part of the canine kidney. Although it appears the kidney can often recover from this damage, dogs will need extreme supportive care until they do. The first and most common symptom of grape poisoning is vomiting.
Should I be worried? There is no well-established toxic dose of grapes for dogs. The amount of grapes that can cause toxicity signs in dogs has been recorded to be as low as 0.3 ounces of grapes per pound of body weight. For raisins, the toxic dose can be as little as 0.05 ounces of raisins per pound of body weight.
A bowl of grapes on a daily basis which consists of thirty to forty grapes is acceptable but anything more than that can lead to some unavoidable side effects. Grapes are high in natural sugar and excess consumption of foods with the high sugar content can result in loose stool.
The grapevine (Vitis spp.) belongs to the family Vitaceae. It is a woody perennial with a diploid chromosome number (2n) of 38.
After weighing many of our sample grapes, we concluded that 1 grape came in between . 18 to . 2 ounces. Did you know that it takes 2.5 pounds of grapes to make of one bottle of wine?
The lowest toxic dose is around 20g grapes per one kilogram of body weight. A typical grape weighs 2 – 5g, making a toxic dose is around 4 grapes per kg.
Dangerous doses begin at just 1–2 grapes for a 10-pound dog, or 3–4 grapes for a 20-pound dog.
Grapes and raisins contain toxic compounds that are harmful to dogs. They have the potential to lead to rapid kidney failure and death ( 2 ). Even small amounts of grapes and raisins can make your dog sick, so it's important to avoid giving them to your dog altogether.
As an example, 6 grapes weigh approximately 1 ounce.
As part of the '5 a day' recommendation, a portion of grapes is considered to be a handful of grapes of any size. The handful of seedless grapes in this image contains 16 average to large-sized green grapes which weighed 130g (without the stalks).
Grape Weight & Calorie Chart For Various Serving Sizes
Grape Serving size (based on average-sized grapes) | Serving weight (in Grams & Ounces) | Calories in Kcal |
---|---|---|
9 grapes | 63g/2.2oz | 45kcal |
10 grapes | 70g/2.5oz | 50kcal |
15 grapes | 105g/3.7oz | 75kcal |
20 grapes | 140g/4.9oz | 100kcal |