Shih Tzu
The Shih Tzu is the least recommended dog breed for families with small children. The reason for this is that they are easily overexcited and frightened that can lead them to bite children. This is especially true when children play rough with them. They bite when frightened as part of their natural defense mechanism thus it is important to never leave kids unsupervised when playing with them. Shih Tzus also require the constant presence of their masters as they easily develop separation anxiety if left alone. And since parents do not have the luxury of time when kids are in the picture, thus owning a Shih Tzu is not a good idea.
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