When food enters the small intestine, bile travels through the common bile duct to reach the duodenum. Gallstones are hard deposits that form inside the gallbladder when there is too much bilirubin or cholesterol in the bile.
That said, there is a considerable consensus that all three major trout species (brook, brown and rainbow) begin to experience some level of stress at around 68Â°F (20Â°C), with that stress increasing rapidly as the temperature rises further.
Grilled Trout. Preheat grill on high heat. Spray or brush fillet side of the North. Carolina rainbow trout fillets lightly with oil. Salt, pepper, and. season to taste. Place directly on the grill, fillet side down. Cook for 3-5 minutes.