Animal husbandry in the British Agricultural Revolution of the 18th century, when livestock breeds like the Dishley Longhorn cattle and Lincoln Longwool sheep were rapidly improved by agriculturalists such as Robert Bakewell to yield more meat, milk, and wool. A wide range of other species such as horse, water buffalo, llama, rabbit and guinea pig are used as livestock in some parts of the world. Insect farming, as well as aquaculture of fish, molluscs, and crustaceans, is widespread. Modern animal husbandry relies on production systems adapted to the type of land available. Subsistence farming is being superseded by intensive animal farming in
Sighthound and pariah group Hounds are hunting dogs that hunt by endurance, following the scent of a game animal (scent hounds); or by speed, following the animal by sight (sighthounds). There are a few breeds of the "sighthound type", and many breeds of the "scent hound" type. Pariah dogs refers to a broad class of specific "types" of feral dogs. Any of these animals, if a breed club develops and if the dogs are sufficiently documented according to kennel club rules, might apply for listing as a breed of dog. Kennel clubs assign breeds of dogs to "Groups", which are loosely based on breed