How Your Thyroid Works. Controlling hormones essential to your metabolism. Your thyroid gland is a small gland, normally weighing less than one ounce, located in the front of the neck. It is made up of two halves, called lobes, that lie along the windpipe (trachea) and are joined together by a narrow band of thyroid tissue, known as the isthmus.
What is the average weight of a Border Collie? 30-40 lbs for a female (13.5-18 kg) and 40-60 lbs for a male (18-27 kg) Though there will always be exceptions to this (i.e. larger or smaller dogs), the large majority of Border Collies fall into this range. The breed as a whole is a medium-sized breed.
Fat Levels for Border Collies. AAFCO also requires a minimum fat content of 5 percent for adult dogs and 8 percent for puppies. For all but severely overweight dogs, these fat levels are too low. If your border collie is a puppy or is active, look for a food with a fat level of 18-20 percent.