Conversation so far:
what breed of pig is white with black spots?
The Gloucestershire Old Spots is an English breed of pig which is predominantly white with black spots.
why is the Gloucestershire Old Spots pig named that?
It is named after the county of Gloucestershire.
what is the Gloucestershire Old Spots pig named for?
Gloucestershire Old Spots pig is known for its docility, intelligence, and prolificity.
what are the other names of the Gloucestershire Old Spots pig?
Besides its correct title and variations such as Gloster Spot or just Old Spot, the breed is also known as the Orchard Pig and The Cottager's Pig.

Question: what pigs are similar?
Self-contained rewrite: what pigs are similar to the Gloucestershire Old Spots pig?