Generally it's pretty accurate, but there are always exceptions. Some yorkies that are big when they are 9 weeks old never grow and stay very small. Others that are small when young, grow very quickly and end up being teapots. The yorkie worked for Bengi till he was like 16 weeks old, they he kepts staying a little bit lighter. He was supposed to be 6 lb according to the chart, but ended up being 5 lb. |