你所居住的生活小区内养宠物的人家越来越多，但主人对它们的管理不当，给其他住户带来不便，如造成卫生状况差，噪音污染多等。今天甚至还发生了小孩被狗咬伤事件，引发了邻里之间的争吵。由于小区内也有外国人居住，所以请你帮助用英语写一个告示（notification），提醒养宠物的住户管理好动物。从本次事件中吸取教训，以免发生类似事件。

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Yours sincerely,

Li Hua