五種不能餵食狗狗的食物，首先是牛奶。幼犬喝牛奶的影響不大，因為體內含有乳糖酶。但是成犬喝牛奶，就會產生嘔吐拉肚子的狀況。第二是洋蔥，因為含有硫化物，是對狗狗身體最有傷害的化學物質。餵食後容易引發溶血性貧血，導致尿血症。第三是巧克力，因為含有可可碳跟咖啡因，會嚴重刺激狗狗的神經系統，導致心臟加快，嚴重時會癲癇發作，甚至死亡。第四是葡萄，吃了會引起腎功能衰竭，食用後72小時內死亡。只需10顆葡萄就能讓大型犬斃命。最後是木糖醇，最常出現在口香糖、牙膏跟蛋糕裡。雖然這些食物對人體傷害不大，但只需一點劑量就能讓狗狗嚴重的低血糖，引發急性肝衰竭。

Five types of foods that should not be fed to dogs. First is milk. The impact of puppies drinking milk is minimal because they have lactase in their bodies. However, in adult dogs, drinking milk can lead to vomiting and diarrhea. Second is onions, which contain sulfides and are the most harmful chemicals to a dog's body. Feeding onions can easily lead to hemolytic anemia, causing hematuria.

Third is chocolate, which contains theobromine and caffeine. It can significantly stimulate a dog's nervous system, causing an accelerated heart rate, seizures, and even death in severe cases. Fourth is grapes, ingestion of which can lead to kidney failure, resulting in death within 72 hours. Just 10 grapes are enough to be fatal to large dogs. Finally, xylitol, commonly found in gum, toothpaste, and cakes. While these foods may not be harmful to humans, even a small amount can cause severe hypoglycemia and acute liver failure in dogs.

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