2007年，有人在宠物食品中故意添加三聚氰胺，以人为提高蛋白质的含量水平，导致北美、欧洲和非洲的数百只猫狗发生肾衰竭。
In 2007, melamine was deliberately added to an ingredient in pet food to enhance artificially its protein levels, causing renal failure in hundreds of cats and dogs in North America, Europe, and Africa.