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What are dogs not allowed to eat?

What foods are dogs not allowed to eat? In our 3-part blog on suitable foods for dogs, we have introduced you to suitable types of fruit and vegetables, carbohydrate sources and oils for dogs.

Reading time: 8min
From: Lisa Walter
Carla SteffenChecked: Carla Steffen
Modified: 01.10.2024
Published: 18.09.2018

1. Fruit

a)Grapes/raisins/currants/grape pomace
It has not yet been conclusively clarified what causes the toxicity in these fruits. Some dogs have tolerated the consumption of grapes, others have suffered severe poisoning with kidney failure, some of which were fatal. One suspected cause is components of the grape seeds, another theory is a toxic reaction to the pesticides used.

It has not yet been conclusively clarified what causes the toxicity in these fruits. Some dogs have tolerated the consumption of grapes, others have suffered severe poisoning with kidney failure, some of which were fatal. On the one hand, components of the grape seeds are suspected, another theory is a toxic reaction to the pesticides used.

The toxic dose is 10-30 g/kg body weight. Symptoms of poisoning are vomiting, shock, kidney failure with increased or decreased urine flow, increased kidney values in the blood and even death. Please make sure that your dog does not have access to the sweet fruit, grapes should always be stored out of reach of dogs.

b) Fruit pips
In general, when feeding fruit containing stones, you should make sure to remove the pips as they contain hydrocyanic acid. Fruit should also be thoroughly washed or peeled and fed according to individual tolerance.

1. Vegetables

a) Avocado
Avocados are healthy and energy-rich fruits with a high proportion of healthy fatty acids for us humans. Avocados are not suitable for dogs, as there is a risk of swallowing the pits, which could lead to intestinal obstruction, and avocados also contain persin. This toxin can lead to gastrointestinal symptoms, and eating high doses can also potentially cause heart damage.

Avocados are also unsuitable for dogs that are dependent on a low-fat diet (e.g. with pancreatitis).

b) Garlic
The allicin contained in garlic is toxic to dogs. Garlic is often used by many dog owners as a "home remedy", it is said to protect against mosquitoes, fleas and ticks and even has an effect against worms. These positive antiparasitic properties have not yet been scientifically proven. Dogs should not be given more than 4 g of fresh garlic per day, with 5 g/kg/day the toxic dose for dogs is reached. Caution is also advised with garlic flakes/extract, due to the low water content or the high concentration contained in the extracts, the toxic dose drops to 1.25 ml/kg over a week. Allicin leads to the formation of so-called Heinz bodies , the red blood cells burst and can result in anemia. Symptoms of poisoning include vomiting, diarrhea, jaundice, rapid heartbeat, weak pulse and anemia with pale mucous membranes. Consequently, every dog owner should ask themselves whether the benefits for their dog can really be so great that they cancel out the potentially negative effects on the organism.

c) Onions
TheN-propyl disulphide contained in onions has a similar effect to the allicin contained in garlic. The symptoms are similar to those described in garlic.

Please note that in addition to garlic and onions, leeks, wild garlic, chives and shallots also belong to the onion and leek family. All these varieties should not be fed. Inus seem to be particularly sensitive to ingestion.

If you feed vegetable flakes, please make sure that they do not contain leeks or onions, which are often used for reasons of beauty and health.

3. chocolate

Not only us, many of our dogs would also enjoy chocolate very much and many a dog has survived the consumption of a chocolate Santa Claus, nevertheless: The theobromine contained in chocolate is poisonous for our dogs. The darker the chocolate, the more dangerous it is.

From a dosage of 20 mg/kg u.a, eating chocolate leads to symptoms such as vomiting, diarrhea, increased body temperature, respiratory distress and cardiac arrhythmia. From around 60 mg/kg, life-threatening conditions can occur. In the worst case, the dog can die from chocolate poisoning (approx. 100-250 mg/kg). Please never use chocolate when feeding your dog rewards! It is better to offer him dried meat, pasta or vegetables if you want to avoid conventional treats.

If you want to supplement your dog's ration individually, read our articles on suitable foods for dogs (parts 1-3). Here you will find examples of what dogs are allowed to eat and background information on the foods used.

You are welcome to contact us if you have any questions: kundenservice@vegdog.de

Lisa Walther

I started my career at VEGDOG in 2015 as a veterinary specialist for vegan dog nutrition. Today, I advise numerous pet owners on all topics relating to the plant-based feeding of their pets. I also give specialist lectures to vets so that my colleagues become more open to this important topic.

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