Moscow: This is kefir … This male cat of the Maine mushroom breed is about the size of a dog. At just two years old, kefir is one of the largest cats in the world. Kefir weighs 12.5 kg and lives in the eastern Russian city of Starry Oskol. Kefir is owned by a young woman named Yulia Minina. Kefir is huge in size but very poor and gentle. As the kefir has not reached full growth, the size will increase even more. Main mushrooms usually grow for up to four years. Main mushroom is one of the largest domestic cat species in the world.
