Mycoplasma mycoides is a type of bacteria that belongs to the genus Mycoplasma. It is known for being one of the smallest and simplest self-replicating organisms. Lacking a cell wall, it has a unique structure that allows it to adapt to various environments. This bacterium is primarily associated with livestock, particularly in causing diseases in cattle. In cattle, Mycoplasma mycoides is responsible for a condition known as contagious bovine pleuropneumonia (CBPP), which affects the lungs and can lead to severe respiratory issues. The bacterium is transmitted through direct contact or respiratory droplets, making it a significant concern for animal health and agriculture.