比葡萄和夏威夷果的性更罕见的 " 有食物 " 当属牛油果，在 ASPCA 的官网上，牛油果被列为对宠物有的食品。

虽然有文献称牛油果对马、牛和部分鸟类均有一定性 [ 29 ] ，还有病例报告记载两只狗在吃了大量牛油果后呼吸困难、肺水肿，最终死亡 [ 30 ] ，但绝大多数狗在吃了牛油果后并没有发生什么不幸的事，还有一些狗粮里添加有牛油果的成分。

据称，牛油果的性源于其中的一种名为 Persin（尚无中文名，英文名取自牛油果的拉丁文学名 Persea americana）的素，食用 Persin 会引起胸腔积液、呼吸困难，但中剂量和致死剂量仍不清楚 [ 29 ] 。

（某品牌牛油果狗粮的广告）

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