The Jack Russell Terrier was created in the south of England in the mid-1800s by John Russell Parson, whose name gave the race. The roots of the Jack Russell Terrier back to the now extinct English White Terrier. Russell intended to make a working terrier to hunt with other dogs, dislodging foxes from their burrows for other dogs to pursue them. An essential quality of his Jack Russell Terrier was a tempered aggressiveness. It gave him the important ability to pursue and scare foxes without causing them physical damage and thus put an end to the hunt. This would have been considered unsporting. The capabilities of the Jack Russell Terrier include: hunting, tracking, being agile and doing tricks. Many breeds can claim an inheritance from the Fox Terrier of this period, as the Brazilian Terrier, the Japanese Terrier, the Miniature Fox Terrier, the Ratonero Bodeguero Andaluz and the Tenterfield Terrier. Arthur Blake Heinemann created the breed standard. A first split occured between the show and work terriers. Another separation occurred between two distinct kinds of White Terrier, wearing both the name Jack Russell. After World War II, the need for hunting dogs was radically reduced, and with it the amount of Jack Russell Terrier. These dogs were then increasingly used as pets in families.
The Jack Russell Terrier is a strong dog and a sturdy terrier, almost always on its feet. The body length should be proportional to the height. The Jack Russell Terrier should present a compact and balanced image, always in a good and solid condition. The coat is rough or broken. These two kinds of fur have a double coat with a coarse structure. The broken coat is slightly long with just an extension of the eyebrows and a beard. Some Jack Russell Terrier have a hard coat that is longer than the broken coat. Whatever its type, the hair is never curly or wavy. It should be predominantly white (over 51% white) with tan, black or brown markings. Marbled markings and black and tan coloration occur but remain rare. Due to the nature of their use, the Jack Russell Terrier remained almost as they were 200 years ago. The Jack Russell Terrier size varies widely, because different types of dogs were used for specific purposes and in many types of environments. They usually measure 10 to 15 inches (25-38 cm) at the withers and weigh 14 to 18 pounds (6.4 to 8.2 kg).
The Jack Russell Terrier are mostly working terriers. Originally bred to hunt fox in his lair in the middle of the hunts, they are used for different prey living in burrows, such as the woodchuck or the badger. The work of the Jack Russell Terrier is to locate the prey underground, and to dislodge or hold it in place until a hole is digged that far. For this, the dog will not bark but will continuously monitor the prey. The Jack Russell Terrier tends to be surprisingly insightful, athletic, bold, and vocal. It is not uncommon for these dogs to become aggressive or destructive if they are not properly trained or stimulated. They tend to get bored easily and then go to practice alone when they are left to themselves. Their vitality and energy make them suitable for various canine games, such as Fly Ball. Dog training is also recommended to potential owners, as the Jack Russell Terrier can be stubborn at times and becomes aggressive towards other animals and humans if not properly socialized. They have a huge amount of energy for their size. Some Jack Russell Terrier are aggressive toward other dogs, especially those of the same sex. They have a strong prey drive and chase (and occasionally kill) cats and other small creatures. They can never seem to get bored and will always be energetic after a hard day. Even though properly socialized dogs are benevolent towards children, they will not accept bad gestures, even unintentional.
The Jack Russell Terrier is a pleasant companion when he is sufficiently exercised. However, in case he does not get enough exercise, he can become an annoyance. He must be taken for a long walk every day. In addition, he will be in his environment with space to run, hunt and play. In cases where the Jack Russell Terrier is left alone during the day, whether in a loft or a house, he must go on a long walk before you leave and after you return. Letting him do 30-45 minutes of intense exercise every day and a lot of play in the yard without a collar keeps him tired and out of trouble. The Jack Russell Terrier is affectionate and loving. They may well live in homes with experienced children who know how to behave with them. They are not suitable for homes with young children. In addition to being uncontrollable, they can break everything when they are poorly cared of. Always teach children how to approach and touch these dogs. You must supervise the interactions between the dogs and young children to avoid biting, ear or tail pulling from either side. You need to teach children never to approach the Jack Russell Terrier while he sleeps or eats. You should never try to take their food.
Their coat requires weekly brushing to uproot the dead and loose hair. If you brush your Jack Russell Terrier firmly, he should rarely require a shower.