what class issues does it have in britain?
The ideal height is not often recognised as the height of Jack Russells in the United Kingdom.
Jack Russell Terrier
Both the breed standards of the American Russell Terrier Club and the English Jack Russell Terrier Club Alliance states that at the withers it should be an ideal height of . Although sometimes called the English or Irish Jack Russell terrier, this is not the recognised height of Jack Russells in the United Kingdom. 
what's the lifespan of a jack russell terrier Thirteen to sixteen years what is it exactly? It is a small terrier that has its origins in fox hunting in England. how is it different from other related breeds? Their range of acceptable heights. what is their personality like? Tempered aggressiveness that would provide the necessary drive to pursue and bolt the fox, without resulting in physical harm to the quarry and effectively ending the chase, which was considered unsporting. what can you tell about its crossbreeding? The planned-mating crossbreed of a Jack Russell terrier and a beagle is called a jackabee. referring to its origin, what kind of costume is worn for it? UNANSWERABLE how is animal welfare involved in the hunting that you mentioned earlier? Hunting hare with beagles became popular again in Britain in the mid-19th century and continued until it was made illegal in Scotland by the Protection of Wild Mammals are there any alternatives available for it? Drag hunting when is the hunting season? Starts in mid-October and continues through autumn and winter
wiki:19561851
Jack Russell Terrier [SEP] Differences with related breeds
The Russell terrier, which is also sometimes called the English Jack Russell terrier or the Short Jack Russell terrier is a generally smaller related breed. Both the breed standards of the American Russell Terrier Club and the English Jack Russell Terrier Club Alliance states that at the withers it should be an ideal height of . Although sometimes called the English or Irish Jack Russell terrier, this is not the recognised height of Jack Russells in the United Kingdom. According to the Jack Russell Club of Great Britain's breed standard, it is the same size as the standard for Jack Russells in the United States, .