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.
To keep the rump roast's juices sealed inside the meat while it is cooking, heat a large skillet over medium-high heat and sear each side of the roast until all are light brown, about 1 1/2 to 2 minutes per side.ump roast can be cooked in the oven or in a slow cooker. If you choose the oven method, you'll need to use a large covered pot such as a Dutch oven that can easily contain the meat or a roasting pan that can be covered with aluminum foil.