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.
A slow cooker, such as a Crock Pot, traps the beef's natural moisture -- and any additional liquid you pour into the pot -- during the long cooking process, eliminating the possibility that the rump roast will dry out.ook on high for 4 to 5 hours, or on low for 6 to 8 hours. Insert an instant-read thermometer into the center of the roast. If the temperature is not at least 145 degrees Fahrenheit, cook the roast for another 15 minutes on high, or 30 minutes on low, then check the temperature again. Place the rump roast on a platter.