A more thorough explanation:

Definition: Livestock refers to domestic animals and birds that are kept for either profit or pleasure. These animals can be confined within boundaries without causing any harm to their productivity. They also do not usually intrude on others' land in a way that can damage the land or crops.

Examples: Some common examples of livestock include cows, pigs, sheep, goats, chickens, ducks, and turkeys. These animals are often raised on farms for their meat, milk, eggs, or wool.

Explanation: The definition of livestock is illustrated by the examples given. These animals are kept within boundaries, such as a farm or barn, and are not allowed to roam freely. They are also not known to cause any harm to the land or crops of others. Livestock is an important part of agriculture and provides food and other products for people around the world.