Mountain and moorland pony breeds when the colts and some of the fillies are removed for sale. The remaining fillies are usually branded to indicate ownership. Some geldings may also be turned out. Ponies still kept in this way include New Forest, Exmoor, Dartmoor and Welsh. Each of these breeds also has a population kept as fully domesticated animals. In horse shows mountain and moorland classes are divided into two subsections: small breeds and large breeds, although the four Welsh types are often shown in their own classes instead. They are overseen by the relevant breed society, and by the British Show Pony Society. Mountain
Cryoconservation of animal genetic resources ice crystals form in the cells, there can be damage or destruction of genetic material. Vitrification is the process of freezing without the formation of ice crystals. Cryoconservation is an indispensable tool in the storage of genetic material of animal origin and will continue to be useful for the conservation of livestock into the future. Cryoconservation serves as a way to preserve germplasms, which is particularly beneficial for threatened breeds. Indigenous livestock may be conserved for a variety of reasons, including the preservation of local genetics, their importance in local traditions and their value to the culture identity and heritage