凯蒂的一只乳房肿得很厉害，另一只乳房肿得不那么大。她已经相当老了，从未母乳喂养或生过孩子或类似的事情。她表现正常。它可能是什么以及我们应该做什么？谢谢你！

我家小猫的鼻子上有痂，是因为在狗窝里摩擦而生的，我该如何治愈？

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What is a ideal duration to feed my puppy? And how much shall I feed him(I feed him premium quality dog food). Also my puppy has a habit of sitting on his pee, please guide how to avoid this.

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