The growth and development of Yorkshire terrier puppies depend not only on their age but also on the hereditary relations, the number of puppies in the litter and the proper cares and feeding during the first couple of months of life.
Read more The growth and development of Yorkshire terrier puppies depend not only on their age but also on the hereditary relations, the number of puppies in the litter and the proper cares and feeding during the first couple of months of life.
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Here is the training program I used with Zuzi. It can teach both you and your Yorkie valuable lessons. I totally recommend it.