In addition, the handler in the Novice A class must never have won an AKC Obedience title on any dog handled by him. Optional Titling classes offered at these trials are Versatility. A qualifying score is required for the awarding of ribbons and prizes in this class. Non-Regular classes offered at these trials are Veterans, Pre-Novice, Wild Card Novice, Wild Card Open, and Wild Card Utility.
Gallstones can form when there is an imbalance in the substances that make up bile. For instance, cholesterol stones may develop as a result of too much cholesterol in the bile. Another cause may be the inability of the gallbladder to empty properly.
Gallstones are pieces of solid material that form in the gallbladder. These stones develop because cholesterol and pigments in bile sometimes form hard particles. The two main types of gallstones are: 1  Cholesterol stones: Usually yellow-green in color, approximately 80% of gallstones are cholesterol stones.2  Pigment stones: These stones are smaller and darker and are made up of bilirubin. Gallstones are more common among women and older people. 2  Cholesterol drugs. 3  Some cholesterol-lowering drugs increase the amount of cholesterol in bile, which may increase the chances of developing cholesterol stones. 4  Diabetes.