Jack Russell Terrier

The Jack Russell Terrier dog breed is originally from the United Kingdom, in the hand of the Reverend John Russell, and has developed in Australia. Moved by his hobby of fox hunting and adoration for terrier-type dogs, the shepherd focused on breeding and crossing different dogs, resulting in the birth of the Jack Russell Terrier and Parson Russell Terier. Although both dogs have very similar characteristics, we can distinguish them by height, the first being shorter and longer than the second. Years later, the breed eventually developed in Australia, where the Jack Russell Terrier Cluf of Australia was established in 1972 to make way for the official recognition of the breed in the year 2000. Learn more about this breed next in YourCatCareguide.

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  • Europe
  • United Kingdom
 FCI Classification
  • Group III
 Physical characteristics
  • 15-35
  • 35-45
  • 45-55
  • 55-70
  • 70-80
  • More than 80
 Adult weight
  • 1-3
  • 3-10
  • 10-25
  • 25-45
  • 45-100
 Hope of life
  • 8-10
  • 10-12
  • 12-14
  • 15-20
 Recommended physical activity
  • Low
  • Average
  • High
 Ideal for
 Recommended weather
 Type of hair

Physical characteristics of the Jack Russell Terrier

According to the official breed standard, the Jack Russell Terrier should be longer than tall , the ideal height to cross 25-30 cm and the weight between 5 and 6 kg. Thus, the main features that will allow us to distinguish Jack Russell from Parson Russell, are his short paws and slightly elongated trunk. To find out if your Jack Russell is at his ideal weight, we must take into account only the following equivalence: 1 kg per 5 cm in height. Thus, if our dog measures 25 cm to the cross, it should weigh around 5 kg. Although Jack Russell is a small breed dog, you should not be fooled by its low stature, since your paws, chest and loin are usually strong and muscled.

As for the other physical traits, the Jack Russel has a slightly broad muzzle, with black truffle and lips. In this way, your jaw is deep, broad and strong. His eyes are usually dark, small, almond-shaped, and with a black border like nose and lips. Their long ears are always drooping or semi-drooping, blocking the ear canal. Its fur is short and hard, although it may vary in appearance by showing itself smooth or brittle as both types of fur are accepted for the Jack Russell Terrier. The base color and therefore the predominant color should always be white. On it, they usually appear stains that can be black or fire, independent of the tonalities of this last tone. In general, marks appear on the face of the dog in the form of a facial mask, but may also appear on other parts of the body and may even be of various shades.


As a small breed dog, the Jack Russel is ideal for living in small apartments as well as in apartments and larger homes. It adapts to all spaces, as long as you have a minimum exercise time per day . As we saw in the beginning, the Jack Russell is of hunted origin, so it is in your instinct and your nature the need to run and exercise. However, until the dog is not properly dewormed and vaccinated we can not go out for a walk with him, so we should encourage even more fun and devote part of our time to this practice. When the dog is able to go out to the street, it should start with short walks and let it become so much the environment as the noise, other dogs and unknown people. Osocialization processof the Jack Russell puppy is very important to make sure that when you reach adult be a balanced, sociable and friendly dog ​​with others. As the dog grows, the rides should also increase and be longer each time. Although the time varies, both during the puppy phase and in the adult phase, we have to be constant with the exercise and establish a routine. When it comes to a dog with its extremities so short and delicate, we can not perform a day of low intensity exercise and in two days activities of very high intensity, because in this way we would be damaging your joints. Ideally, it takes Jack Russel to walk 3 to 4 times a day, following a set schedule and offering him the same intensity of exercise every day. What is recommended is to vary the way forward, avoiding to make during all the walks the same way. Within the number of exits, two of them should be dedicated to walking more calmly and two others to offer him at least an hour of exercise, which should include games that make him run and activities that help him to burn the accumulated energy .

Like many other small and medium breed dogs, Jack Russell tends to suffer from obesity if he is not careful with his food, as well as osteoarticular problems due to his rapid growth. Hence, also the importance of exercise. In this way, we should offer the Jack Russell quality ration of the junior range up to 10 months, which is when it reaches adulthood. Afterwards, it should be fed to the adult range, also of quality and adapted to the nutritional needs of this breed.

As for the remaining care, the Jack Russell Terrier does not need anything specific. We have to give him a bath once a month or when we consider that he is dirty, taking the opportunity to clean his ears following the indications of the veterinarian. On the other hand, we have to brush twice a week and increase the brushing at the time of the molt, with a gentle stroker for short hair and moistening before all your hair to avoid breaking the hair. In addition, we must keep your nails in perfect condition and watch your anal glands with frequency .

Jack Russell Character

Like many hunting dogs, Jack Russell is temperamental , hard-working, bold, fearless, curious, very active and always alert. Besides, he’s smart, very faithful and brave despite his small size. If we socialize it correctly, it can become very friendly, fun and sociable. Having so much energy and being so active, he likes to play, so if we have children or small brothers can become your ideal companion. In fact, it is highly beneficial for Jack Russell to coexist with children as long as they know how to treat him and respect him properly because he is a dog who rarely gets bored and needs to play to burn energy. Likewise, if there are no children at home or if we are active people it is not recommended to adopt a Jack Russell, since, as we mentioned, you need owners who can help you achieve the amount of exercise you need.

The Jack Russell Terrier is an excellent working dog, to which we can teach him techniques related to the land for his tracking ability and best companion animal. His dressage is not recommended for the guard, since although he is a very brave dog, he does not have enough capacity to stand guard dog.


Overall, if we are consistent in their education, consistent and make use of positive reinforcement from puppy, the Jack Russell is rare to adopt bad behavior. In this way, if we carry out the minimum rides established never again will make their needs in the house, except for the first times they are in the learning period. Nor is it a dog that is destructive, wanting to bite the furniture or other objects if we give it biting toys for when it needs to play or to relieve the pain caused by the growth of the teeth. And being so excited, active, energetic and temperamental, if we have a garden and do not give him sufficient exercise, we may find some holes he has dug. Besides that, this same Jack Russell character can lead you to be a dog that needs more time than others to learn an order. Although you may be inconsistent in this regard, if you work with it daily and reward it every time you do something well, you will eventually learn and internalize the commands we want to convey to you.

On the other hand, the Jack Russell Terrier is a dog that tends to bark a lot . By always being alert and so curious, it is no wonder that he barks when he hears some strange noise or feels a stranger at the door of his house. In this way, we will have to educate him so he knows when to bark or not, as well as teach him how to channel these kinds of emotions to avoid causing stress or anxiety.

Jack Russell Terrier Education

After knowing the character and behavior of the Jack Russell Terrier, we see how a correct education is essential to make it a balanced and healthy dog. Failure to educate properly can lead to Jack Russell becoming unstable and very difficult to control. Therefore, it is not recommended for beginner owners , since it needs experienced owners in canine education and training, who know how to stand firm and guide the temperamental character of this breed of dog.

It should begin with the education of Jack Russell since the pup , which is when he learns faster. In this way, after choosing the best name for him, the first thing we have to teach him is to come when we call him. And when the puppy can already take to the streets, we must start socializing and begin to train him to walk calmly, without fleeing and without the stress of looking for him. Being such a curious and active dog, it is important to spend time on your walks, letting him sniff and play. Once the dog has learned to come when we call him, we can begin to work on the remaining basic commands , such as sitting down, lying down or being quiet.

A very efficient way to educate the Jack Russell Terrier is through prizes or guloseimar. Although positive reinforcement encompasses several techniques to get good results, this is undoubtedly one of the most effective with this breed of dog. Your curious muzzle will quickly identify the delicacy hidden in our hand, so using it to teach you orders will provide excellent, fast results. You should note that you should not do training sessions that exceed 15 minutes. It is always advisable to do several sessions a day with spaces between them, since we do not want to overwhelm or annoy the dog.

Health problems

Although the Jack Russell Terrier is a strong and incredibly healthy dog ​​breed, which can save us a lot of consulting the veterinarian if we offer you the exercise you need and proper nutrition, it is also true that there are a number of conditions, especially hereditary , more common than others in it. The most common health problems in Jack Russell puppies are as follows:

  • Ataxia and myelopathy of the Terrier . By being a direct descendant of the Fox Terrier, the Jack Russell can suffer from hereditary ataxia or myelopathy in the nervous system. They can develop both during the first months of life and once old age is reached, the main symptoms being lack of coordination, difficulties walking and even standing.
  • Dislocation of the patella . It occurs when the kneecap, bone located just in front of the knee joint, moves, causing pain in the animal and, therefore, difficulties in walking. It may be a hereditary disease or it may occur as a result of trauma.
  • Dislocation of the lens . It occurs when the lens does not become attached to the eye through the zonular fibers and therefore moves from its natural position. This dislocation may be hereditary or be triggered by other eye problems, such as glaucoma or cataracts.
  • Deafness . Problems in the Jack Russell auditory system are often related to ataxia, although they may also appear in isolation as a consequence of age.

In addition to the ailments and disorders mentioned, if we do not exercise the Jack Russell this will eventually develop stress, anxiety or depression. If you detect a physical or mental anomaly, it is advisable to consult the veterinarian as soon as possible. In addition, to achieve better control and avoid the development of previous diseases, you will have to perform routine tests that the specialist determines.

Emily Harris

Hi Guys, Girls, and Cats:-p I am Emily Harris, and you can see in above pic. She loves me I swear. I saved her from a dumpster a few weeks back.

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