This breed is also not usually found in pet stores Number Eight and Nine is the American and the American Satin Guinea Pig. They are the most common breed of Guinea Pigs as well as one of the oldest close to Abyssinian. There hair is straight back and sleek.
Insert the meat thermometer into the thickest part of the roast and put the roast in the oven. Cook rump roast for at least 1 hour and 40 minutes for rare. Make sure that the internal temperature of the meat is at least 120 F before removing from the oven.
Continue to cook the rump roast for at least 2 hours for medium.. The thermometer should read 155 F. Continued cooking may cause the roast to become tough and dry or burn the vegetables. Remove the rump roast from the oven and carve in slices. Serve with vegetables.