Sep 06, 2005. The thyroid dimensions are at the upper limits of normal - I do 6-8 ultrasounds a day in the office and usually the measurements of normal thyroids are 4-4.8 x 1.0-1.8 x 0.8-1.6cm which is consistent with published dimensions.ep 06, 2005. The thyroid dimensions are at the upper limits of normal - I do 6-8 ultrasounds a day in the office and usually the measurements of normal thyroids are 4-4.8 x 1.0-1.8 x 0.8-1.6cm which is consistent with published dimensions.
Probiotics, the good intestinal bacteria usually prescribed to treat diarrhea, have helped many dogs with tear staining. Look for a veterinary probiotic such as FortiFlora, Prostora or Proviable. Don't give Princess antibiotics like tylosin or tetracycline.robiotics, the good intestinal bacteria usually prescribed to treat diarrhea, have helped many dogs with tear staining. Look for a veterinary probiotic such as FortiFlora, Prostora or Proviable. Don't give Princess antibiotics like tylosin or tetracycline.
Using a safe, effective and affordable tear stain supplement is the best option on the market to effectively address the appearance of tear stains. Some of the products below may be effective, but they may contain Tylosin. Tylosin is an antibiotic that can potentially compromise the health of your pet.â  The best products on the market that can address the look of tear stains are those that do not contain Tylosin.sing a safe, effective and affordable tear stain supplement is the best option on the market to effectively address the appearance of tear stains. Some of the products below may be effective, but they may contain Tylosin. Tylosin is an antibiotic that can potentially compromise the health of your pet.