Additives used in the production of vaccines may include. 1  suspending fluid (e.g. sterile water, saline, or fluids containing protein); 2  preservatives and stabilizers to help the vaccine remain unchanged (e.g. albumin, phenols, and glycine); and. 3  adjuvants or enhancers to help the vaccine to be more effective.
The other element is a standard Yorkie that falls under or over the expected weight and/or size range. Breed standards have changed. The AKC used to list a minimum weight of 4 pounds (1.81 kg). Now, there is only a maximum weight of 7 pounds (3.17 kg) for a full grown, adult Yorkie. Even with this change on paper, most Yorkshire Terriers fit into the 3 to 7 lb. (1.36 kg to 3.17 kg) range. A dog smaller than this, fully grown, would be considered too small and may have size related health issues.
Many breeders use terms such as teacup yorkies, miniature yorkie, toy yorkshire terrier, mini, teacup, tea cup, tiny and etc. to help in describing the adult size of the puppy. This practice can definitely help a customer to quickly find the size of dog they are looking for.s a customer, if you buy a teacup yorkie puppy and are expecting a pup that will only grow to be 3 lbs. and you didn't know that the breeder's definition of teacup yorkshire terrier is anything under 5 lbs. you might feel that the breeder misrepresented the dog.