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.
1 Put rump roast into large roasting pan and sear each side of roast for about 15 minutes until dark brown. 2  Add 1/4 cup of water to pan.3  Cover with foil, reduce heat to 325 degrees and cook approximately 1-1/2 to 2 hours (depending on the size of your roast), OR until fork goes easily into meat. Add 1/4 cup of water to pan. 2  Cover with foil, reduce heat to 325 degrees and cook approximately 1-1/2 to 2 hours (depending on the size of your roast), OR until fork goes easily into meat. 3  Remove roast from pan and let it rest for about 30 minutes. 4  Meanwhile, make the most wonderful gravy from all of the drippings.