The brownish flattened and leaf-like parasite found in cattle are called

The brownish flattened and leaf-like parasite found in cattle is called a liver fluke. Liver flukes are flatworms that infect the liver of various animals, including cattle, sheep, and goats. They are named for their leaf-like shape and brownish color. Liver flukes can cause liver damage and other health problems in infected animals. They are commonly found in areas with wet, marshy conditions, as they require a snail intermediate host in their life cycle. While the other options listed are also parasites that can affect cattle, the brownish flattened and leaf-like appearance is most closely associated with liver flukes. Therefore, the brownish flattened and leaf-like parasite found in cattle is called a liver fluke.