有哪三種食物可以讓狗狗保持健康長壽呢？首先，西蘭花是一種不錯的選擇，它富含維生素、鈣和鐵，並具有抗癌功效。但是要特別留意農藥和蟲害，最好能反覆多次清洗。其次，紫甘藍或紫高麗菜也是一種有益的食物，它含有多種抗氧化成分，如維生素、花青素和纖維素，有助於降低罹癌風險和預防動脈硬化，同時還能阻止癌細胞擴散。很多歐美的蔬菜湯中也習慣添加紫甘藍。

最後，秋葵是另一種有益的食物，它含有可溶性膳食纖維，有助於促進腸胃蠕動，進而增強免疫力。

What are three types of food that can keep dogs healthy and long-lived? Firstly, broccoli is a good choice, as it is rich in vitamins, calcium, and iron, with anti-cancer properties. However, it is important to be cautious about pesticides and insects during cleaning, and it's best to wash it thoroughly multiple times.

Secondly, kale or purple cabbage is another beneficial food. It contains various antioxidants such as vitamins, anthocyanins, and fiber, helping to reduce the risk of cancer and prevent arterial hardening, while also inhibiting the spread of cancer cells. Many European and American vegetable soups also commonly include kale.

Lastly, okra is another beneficial food, containing soluble dietary fiber that aids in promoting gastrointestinal motility and enhancing immunity.

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