English Bull Terrier and Miniature Bull Terrier Breed Information

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Pure white Bull Terriers are allowed to carry markings around the head due to breed standard (AKC), but not at the body. Sometimes there are specimen seen all white with markings all over the body and not only limited to the head. These markings often show on the back and are therefore named “Saddleback Markings”. If your Bull Terrier is just a pet, healthy and not intended either for use as a show dog or breeding, this is acceptable. Except the “breeder” who sold you the puppy claimed to breed after Kennel Club standards and requested a lot of money for the pup. Because this was definitely not the case!

White Bull Terrier Markings

White Bull Terrier Markings

Why is that important at all? It is, in fact, for every Bull Terrier and for you as the owner. Because a constantly sick and suffering dog can cost you thousands in vet bills over the years. And saddleback markings – believe it or not, can be part of the problem. The breed is prone to some genetic health issues, which can be either minimized by correct breeding or made worse by incorrect crossings. If you don’t believe this, just study the Mendelian rules of genomics. A responsible breeder will always strive to create healthy puppies with stable genetics as far as he can influence this. Therefore he will only cross certain dogs after strict rules. Hence, his puppies will not present saddleback markings, because these only occur in incorrect breeding. That again causes a higher risk of genetic health predispositions. Pigmentation of the SKIN (NOT the coat) on the other hand is not unusual and not necessarily a sign of bad genetic disposition. In fact, Mila has such a LOT of dots on the skin all over her chest and belly, we sometimes call her “Dotty” for fun an wish to have $1000 for every one of her dots 🙂


Find more information about the Bull Terrier appearance in this essay.

Bull Terrier and Miniature Bull Terrier Breed Information: The Miniature Bull Terrier

The Miniature Bull Terrier was bred at some point to include the qualities and characteristics of the original English Bull Terrier in an even more compact size. Bull Terriers and Miniature Bull Terriers are not considered the same dog breed, but two different ones by some Kennel Clubs. But, except for the difference in size, both share the same character traits and appearance. Today in Bull Terriers and Miniature Bull Terriers both color variations – pure white and certain color combinations – are prevalent.

Find more Information about Bull Terrier and Miniature Bull Terrier height and weight on the next page

11 thoughts on “English Bull Terrier and Miniature Bull Terrier Breed Information

  1. Pingback: Bull Terrier Puppies - how to buy a Bull Terrier puppy

  2. I have a nail bullterrier I got him when he was eight weeks so he’s eight months old now he looks just like the target dog I’m not quite sure I know you can’t be a miniature bullterrier I’m not sure if he’s a English bullterrier but I would love to send you a picture of him his name is Zeus and he’s weighing in right now at 54 pounds and 3 ounces I was just wondering how much more bigger is he going to get

    • Hello Donna,
      I would love to take a look at your sweet Bull Terrier – just because I can’t get enough of seeing them. I bet people often recognize the “Target dog” :).
      Feel free to send me a picture at contact@bullterrierfun.com

      He probably is a handful, not only in terms of personality – which we all love so much – but also keeping that all white coat shiny and bright. Don’t they love a nice mud puddle. 🙂

      In general it is hard to predict the eventual size of a puppy. Zeus will still grow at least a little (dogs of this size usually grow until about 12 months old).
      In order to estimate his eventual height at the age of eight months the best bet is to take a look at the parents, if possible. If they are pretty similar, Zeus will likely end up similar as well. If one of the parents is significantly taller and heavier that the other, comparing Zeus to both of them can help to find out, who he seems to follow.

      His weight sounds like he is beyond the size of a Mini already. But in order to predict the eventual size, also his shoulder height is an interesting factor. If he is beyond 14 inch already, he is not a Mini.
      I don’t know, if you measured him when he was 8-9 weeks old. If he was beyond 8 inch at that age already, chances are he will end up on the bigger side. Comparing the size of the babies in the litter can also give a hint of the outcome in relation to each other.

      But after all, it’s a lot of guessing. At the age of around 12 months he should reach about his final height. Some dogs continue to pack on some more muscle subsequently. Meaning they don’t grow any higher, but still a little heavier and compact. Males tend to grow taller and heavier than females, but that’s only a rule of thumb.

      However tall he ends up – he’s a package full of love and fun! And isn’t that always the bigger the better. 🙂

      Dorothea

  3. Good day, I would like to know if it is possible for normal bully parents to have a miniature puppy. Our puppy is 10 weeks old and weighs only 3,55kg and her shoulder hight is 6 inches. She is a very healthy, active puppy.

    • Miniature Bull Terriers are an independent breed with their own breed standard as far as I know. There are definitions for weight and height ranges for Standard Bull Terriers as well as for Miniature Bull Terriers. But that does not mean that there can’t be any exceptions in either breed.
      There are Miniature Bull Terriers that grow pretty big and beyond the defined limits. And there can be pretty tiny Standard Bull Terriers. Our last Standard was so tiny, everyone thought she was a Mini.
      That’s nature and after all tiny Standard Bull Terriers are probably how the breed of Miniature Bull Terriers started in the first place: Selecting tiny standards and mating them, repeating breeding with the resulting individuals aiming for certain heights and weights. And voila.

      At 10 weeks of age it is very hard to predict how large the grown individual will become. Look again at the age of 12 to 18 months.

      There are three factors that influence growth: genetics, health and nutrition. Puppies need a lot of calories for their growth. If your puppy is free of any health conditions but you have the impression that your puppy is always hungry, for example, then maybe increase the food intake a bit and see it that also puts on some pounds.
      I also strongly recommend the typical vaccinations and routine vet visits with the puppy. The vet can also tell you about abnormalities during those visits.
      If the pup seems normal, healthy and well nurtured, just tiny … well, then just wait the development out and see what’s to come. The result in any case will be a wonderful companion.

    • Shops sellig shoes for dogs usually provide tips on measuring the dog’s paws. The measurements are usually the basis of your order, not fixed shoe sizes by breed or so (it’s different from buying shoes for humans).
      If you are trying to buy shoes online from a shop, which does not provide instructions on how to measure for ordering the correct size my recommendation can only be: do not buy there.
      I love the Ruffwear products. Did you check those out already?
      They are at the upper end price-wise but they are worth it and their measurement instructions give you a good chance to order the correct size.
      Hope that helps.

  4. Hello I’m curious can I breed my bull Terrier girl with my miniature bull Terrier boy and if so what what it be consider ?

    • Hi George,
      if you have a male and a female nature says you could mate them.
      But, kidding aside, this is a very comprehensive topic. Therefore I would like to refer you to a Bull Terrier breeder with tons of knowledge regarding this.

      My own take on breeding, but that’s just me: First of all it is important to know that many modern dog breeds do have a lot of different genetic failures sitting deep in their DNA which are caused by crossbreeding and even inbreeding performed to create or promote certain physical features. Selective mating of certain individuals is how we came to over 400 different dog breeds today. Sadly not only features do reproduce and evolve, but so do genetic failures in many cases. The greater the extend of such genetic failures, the greater the risk for a number of ailments in the resulting dogs. These risks multiply when two individuals having such genetic failures and hereditary ailments – which sometimes the naked eye will not even notice – are being bred and so on.
      This is why it is important to prevent the reproduction at least of known failures or in other words to not breed such individuals, which is why breeding comes with large responsibility. When we play nature and mate animals we take on the responsibility of trying to produce offspring that will be able to lead a healthy life.
      Not to mention that every person who breeds dogs should be able to make sure that every puppy will land in responsible and loving hands, who are willing and able to handle the breed.
      But enough from me.

      I am very happy that you are trying to gather information on what to consider before making your decision.
      I encourage you to post your question in this forum: https://bulliesofnc.com/BTforum/categories or talk to the owner himself https://bulliesofnc.com/. His name is Steve, he is an experienced Bull Terrier breeder and I am very sure that he will have a lot of valuable information for you.
      Good luck in your endeavor.

  5. Hi, my bull terrier just turned 8 months & weighs 21.2kg & is approx 40cm in height. I was told that his mum is a standard & that his dad is a standard/mini mix. Can’t confirm this as i bought him of a backyard breeder, although his dna test states ebt on both sides all the way back to great granparents. I don’t know how accurate these tests are & wether they make any distinction between the standard & mini. My question is, can i expect him to reach the standard height of 51cm & what weight is he likely to reach once fully grown? Otherwise, he is healthy & has not the greatest or the worst of appetites. Would love to hear your thoughts, many thanks.

    • Hello Steve,
      predicting the size of your adult dog would be like looking into a crystal ball. There is hardly any reliable way to predict the final size of a puppy as far as I know.
      If you know the parents and they are both the same, either rather small or rather big, that might be an indication of how the puppy could turn out. Or if you look at former litters of the parents and how much these puppies grew. That might give you a hint.
      Maybe your vet has some ways of measuring certain features and then guess, similar to the way doctors assess the growth of human children. I do not know if such a thing also exists for dogs.
      Other than that I am afraid you will just have to wait it out.
      My girl had huge paws as a puppy, she still has. And a huge chest. And I thought she is going to grow pretty big. Turns out she didn’t.

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