Since Jacks are very active dogs, you need to be very careful about home security. The gates and walls must be high and the house or apartment must be well screened to ensure that he does not run after cars or go out to play in the street.
The Jack Russell Terrier's energy and disposition make him a very healthy dog. Despite this, they are not immune to health problems. Dogs of this breed can suffer from ophthalmological problems, such as retinal detachment and cataracts, which will require specific attention from ophthalmologist veterinarians. V Williebrand Disease can also affect these dogs with some frequency and causes problems related to blood clotting. It is not uncommon for them to also suffer from epilepsy-related problems. This issue, however, can have different origins and it should be investigated before starting treatment.
Also pay attention to dermatitis, eczema and symptoms related to these skin problems, caused by fungi or bacteria on the animal's skin.
This breed became very famous after the appearance of Milo, the companion of Jim Carrey in the movie “The Mask”. The Jack Russell Terrier Club of America was created in 1976.
Its short tail is not usually cut, the specimens of the breed are usually born with smaller tails than usual. As adults, it is common for the tail to always be very erect.
The Jack Russell Terrier is considered by the FCI to be an intelligent, willing and super alert dog.
Having emerged as a fox hunter race, it still has the same traits it initially had. With this, these dogs are always prepared for adventures, games, trips, outings, walks and any other situation that is proposed to them. However, this same energy and disposition can make him a difficult dog to train, with little tendency to obey. To train it, you need a lot of patience and persistence, because curiosity and the desire to explore will often overwhelm everything. You have to have a method too, to make training more effective. However, energy in this aspect is not necessarily something negative. You need to know how to focus your Jack Russell Terrier's energy to get better results, always encouraging him and trying to bring his attention to you.
The Jack Russell Terrier is a very friendly and sociable dog, but with a strong temperament. He is energetic and does not like to obey or stand still. They love to play, but they are very stubborn and require a consistent and strict upbringing, as they can be a bit domineering pet. They get along well with strangers, children, and other dogs, but are not recommended for those who already have other pets in the house. Socialization is essential for these dogs, who can be territorial and extremely protective.
A bored jack russell can be a big problem, as they have a tendency to become destructive when idle. It is a dog that usually digs a lot.
Being a very energetic and willing dog, the life expectancy of the Jack Russell Terrier is 15 years. However, if he is not taken to do physical activities regularly, this number can drop considerably.