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Dog genetics question
  • Okay, so I'm hoping one of you guys here can help me out. I like to think I have a general understanding of dog genetics and why things are the way they are, but I don't like spreading false info and need more info from people who know. If no one here knows anything then I will try contacting a few breeders about it

    So today my coworker (Taylor) and I were discussing how her blue nose pitbull (dam) and her red nose pitbull (sire, named nova)had a large litter of pups. She was so shocked becuase most of the pups had mantle\Irish or\and we're brindles.
    At one point she wanted to breed her "purebred well lined pit" to my female. Now, my dog (Fen) is a small roughly 35 pound liver pitbull with very iffy breeding. Her mum was a black piebald and her dad was a huge mousy chocolate beast. I made a comment to her about how my fen would have made very colorful puppies becuase her mum was piebalb and most of her littermates were of various patterns and shades.
    She then looked very offended and said "oh! So she does have catahoula in her!?" And I said no, not that I know of. Of course it is possible becuase my dog and her parents are not from professional breeding just two dogs with the classic pit look that were never fixed and they bred. But she does not look catahoula in any sense.

    Taylor then told me that piebald was impossible in pure pitbulls. She didn't give a specific reason for why she thought this but it was something along the line of "it is an unrecognised color with the UKC and other Kennel clubs"
    I didn't argue that it was not impossible not to was simply becuase white is impractical for most breeds. E.g rottweilers can't have white becuase it would make them visible to burglars and trespassers (since rotties are guard dogs)

    Now my questions is, were catahoulas bred into "pitbull" lines to get the more extreme piebalb? If so why?

    I know that "pitbulls" are not technically a real dog becuase they are major mutts and are more of a type of dog. But they are becoming more popular and demand for them is becoming higher in certain areas.

    This same lady also told me she had a 97% wolf as a kid and I quote "he was the sweetest dog ever" which I happen to know is basically a HUGE lie and mostly impossible.
    Sorry for the long blab :\ I had a better thought out blurb for this but I'm sick and having broken thoughts
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  • This is not really a genetics question, it's a breed question. A pitbull breeders forum would know far more.
  • What I can tell you is that she probably does not have a 97% wolf. Those are almost always some kind of shepherd spitz cross. Catahoulas are an old American breed, and pits are not an actual breed in the sense that they have an official studbook or defined breed standard.

    Catahoulas, or catahoula leopard dogs, are the result of crosses between Native American dogs (most probably ancient breeds brought to the Americas already domesticated) and hound type dogs brought by Europeans. They are not a bully breed - they herd, track, and hunt. A well bred catahoula will not resemble a pit, nor will the temperament be similar. That said, it has become popular to cross the two and call them "American Catahoulas" or "Catahoula Bulldogs," and many of the dogs labeled Catahoula in shelters have some pit blood (As a general rule, crossbred dogs and dogs found in shelters are not "well bred").

    Pits are "bully type" dog, not a breed. Bull terriers, mastiffs, and similar breeds are also "bully types." Pits were bred to fight. There's no arguing that, it's what a dog who exemplifies that type is inclined toward. Catahoulas can be protective, but should not have the same type of temperament (think of how dog breeds are organized at shows - herding group, toy group, hounds, etc). Catahoulas are a hound.

    Despite this, there are many many dogs who do not exemplify that type - just like plenty of pet shepherds don't herd, and plenty of pet retrievers that are terrible at retrieving. Plenty of pits make great pets. The issue with not having a breed standard is that there is no way to calibrate the quality of a dog - be that temperament or physical health.

    Dog colors are not tied to breed any more than horse colors are. The same gene that causes merle in Catahoulas causes merle in Australian Shepherds. Given that there is no AKC (or similar) studbook for pits, it's very unlikely that your friend knows the complete history of her dogs. Whatever pattern she's wondering about could have been hiding for any number of generations, much like overo patterns in several breeds of horse that go unnoticed until a particularly loud foal is born.

    It's none of my business, but breeding dogs without exhaustive knowledge of the bloodline or a medical history is a dangerous game. Centuries have been dedicated to establishing recognized breeds with traits that breed true, so that each animal (hopefully) exemplifies the appearance and behaviors that they were bred for. My local shelter has at least 2/3 pits or pit crosses at any given time, so please make sure that carefully consider each variable if you decide to breed your dog.
  • Didn't notice I got a reply, sorry.
    And I'm aware of most of this. I just wasn't 100% and wanted more information. She claims both her pits are "purebred" even after I tried explaining that both catahoulas and pitbulls have no standard or "studbook." She has 2 pitbulls who look healthy enough but she bred without health checking either row them and with now real reason behind the breeding.
    I also tried explaining to her that it's nearly impossible to have a wolf that looks like a dog (other than large size) and behaves like a dog. But she heard non heard of it and still claims he was in fact a wolf. Once I asked her how she had a "97% wolf" she simply said his breeders got his great great grand damn generation ago and continued to bred with of high content wolf dogs and wild wolves until they were themselves wolves. Which is problematic to me as from all my research it doesn't make a domestic animal.

    Back to the catahoulas and pits though. I also tried explaining to her that I thought she was confused and that piebald and other large white patterns were possible in almost any dog breed. She's just one of those people who prefers to belive in something without researching it. It's incredibly frustrating

    My pitbull is spayed and has been since she was almost a year old. I knew I wouldn't have enough money for a pregnant dog to get all the health checks she needed as well as pay for puppy shots and to rehome the litter. Not to mention my pitbull is rather small and I decided I didn't want to risk complications for soemthing I didn't need. I also don't like needless breeding, breeding should be left to people who are trying to better the breed and who know what they are doing.

    I do have another question if you have the answer. What causes people to think that they have a purebred pitbull? Other than the obvious "the breeder said so." So many people get blue nose and red nose pits and think they have some super dog who has significant lineage over regular pitbulls. Even though blue and red nose pits are simply pitbulls who have been bred to stay a certain color and body type throughout their generations .
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  • Sorry. Vet jumping in here. People who brag about their "purebred pits" are the same people who brag about their "purebred spoodles" and people who love their "blue nose pits" are the same people who go out of their way to get rare colors in other breeds, like harlequin Great Danes or merled dachshunds or buy "teacup Pomeranians".

    Certain people seem to assume the word "purebred" or "blue nose" or whatever is similar to attaching a luxury brand name to their pet. These are absolutely legitimate in breeds with stud books and well respected breeding facilities--it would be like me being able to say I have an American Pharoah thoroughbred in a few years. I imagine most of the players on here would instantly recognize that name as the name of the American triple crown winner, now retired to stud and with his first crop of foals expected in the spring. Having one of his sons or daughters would instantly denote a few things to people around me, at least one of them being I am probably fabulously wealthy because those babies are likely to be super expensive even if it turns out in 5 or 10 years that they can't run for 50 feet to save their lives....

    A final note for all prospective pet parents out there is that when you pick rare colors or unusual sizes for your pet, especially when the breeder is pushing these as desirable (and probably charging you more for it!), you should assume that these animals have been specifically bred for this one characteristic, with no regard to the general health and temperament that is also being bred into the pup/kit/foal/calf/etc. They often are coming from puppy farm type facilities and are often sick by the time you bring them to see me for their first puppy check....sometimes with congenital conditions that cost thousands of dollars to treat, if they can be treated at all.

    Everyone wants to believe their pet is special, but for those who are looking for a pet-as-status-symbol more than a companion....well, they always seem willing to be led into the belief that their pet is better "because the breeder said so" and because it was expensive.
  • Sorry for the rant, but I literally just came out of a consult with the owner of a "teacup French bulldog" who is going to need major airway surgery in a few months if it wants to be able to breathe in our hot, humid Brisbane summer starting imminently.....
  • Blue and red (to my knowledge, I know more about horse colors than dogs so this may be a bit simplified) are dilutions of black and brown/liver. Nose color is related to coat color, so a dilute dog will have a lighter colored nose. Blue dogs have blue noses and red dogs have red noses. If the nose color doesn't match then the dog's color isn't due to the dilution gene, meaning their puppies may not be that color.

    The dilution gene is recessive in dogs, just like pearl is in the game - they need two copies to exhibit the trait. If you've ever seen a white German Shepherd or liver Doberman with "normal" colored parents, it's because both the sire and dam were silent carriers of a recessive gene for those colors.

    My guess is that a "purebred blue/red nosed pit" is an animal that breeds true when crossed with one of the same color, i.e. another dog that is recessive for both traits. So (pretend the letter for black is B/b and dilute is D/d) hypothetically a "true" blue pit - or any breed for that matter - is BB dd and a red pit is bb dd. If a blue dog threw a crop out, then I guess it wouldn't qualify as a true breeding blue/red pit. The dog's nose is a simple way to identify the dilution gene and therefore whether or not their color will breed true.

    Personally, I think it's silly. An animal should not be selected for or against because of color alone. The concept of these "purebred pits" seems to be based on an ignorance of or misunderstanding of coat color genetics. There is not a pit bull stud book and it is not a recognized breed. Focusing on color ignores conformation, temperment, and working ability, all of which are more pertinent criteria when selecting animals to include or exclude from a breeding program. The American Qarter Horse Association figured that out a few years ago and updated some archaic rules surrounding white spotted and cream horses, allowing a MUCH greater diversity that was both in line with a modern understanding of genetics and (consequently) more fair to breeders.


    @cheers - I really appreciate your post and perspective on the topic. These are things that need to be discussed, and your opinions are backed with substantial experience and knowledge that lend credibility.
  • Just to add - Catahoulas do have a studbook of their own, and are recognized by the AKC even though they aren't on the official list of breeds. I believe they're labeled "breeding stock" or something similar. That said, it's safe to assume that most individuals aren't registered, and certainly any bloodlines being crossed with other breeds are not being managed in the way a high quality strain would be.

    Note that very often people with actual working dogs aren't too worried about papers. Working ability is paramount, similar to ranches that want good working horses irregardless of if they're registered. I've seen it in Border Collies and heelers around where I live - many argue that the kennel club standard isn't focused on the traits needed for a good working cattle dog or shepherd. They may be right. This is different from breeding a dog because it's pretty, or just to breed it. These dogs have to work for their dinner :)
  • I know a ton of people who think that American Staffordshire Terriers are pitbulls. They aren't, but people think they are. That may be what she is trying to do.
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  • Actually Confluence they are. American Staffordshire Terriers are one of the breeds that is classified as a pitbull. A lot of them are even duel registered American Staffordshire Terrier in AKC and American Pitbull Terrier in UKC.
  • All Staffies are pit bulls, but all pit bulls are not Staffies. That is my point. People who want to 'impress' you with their 'knowledge' and 'expertise' will try and tell you that their dog is registered, and convince you that "my pit bull is closer to a real Staffie than yours!". Pit bull has become a generic term that does not mean what you mean, Moon.
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  • Denalidom, I agree with the working dog paper thing. There is not a whole lot of herding dogs around here, but there are hounds and bird dogs. "Using" English setters, fox hounds, beagles, etc., look nothing like their show counterparts, because they are bred for ability, not looks. Some are registered, some are not, because as the saying goes "you can't hunt with papers". It is funny, at least to me, how some of the hound men around here, if when asked about their hound, can tell you about it, how they hunt, and their faults, and then tell you about every ancestor for 15 generations; this hound does what it is bred to do, and is fairly healthy genetic wise. Then you have an owner with a purebred hound, who has no clue about a dog's lineage other than registered, the dog couldn't sniff his way out of a paper bag, and is genetic train wreck OR is so bred for one specific trait (face wrinkles) that is causes problems (entropion). Owner 2 looks down on Owner 1's dog because it doesn't have papers.
    There is nothing wrong with registered animals - I have owned, and continue to own goats, horses, pigs, rabbits, and dogs that are registered. But I have also had just as many grades, crossbreds, and mutts that were just as good. I am not sure where things went wrong with a lot of registries. It seems that focusing on one trait and forgetting the rest has harmed a lot of good animals. Sometimes the trait isn't even a great one - brachycephalic dogs, for example. It isn't just dogs either. I am rambling, so I will step away now.
    Sorry, ColorGood, for going a little off topic on your post.
  • Confluence you just did a 180 on your statement. If all staffies are pitbulls then by definition and out of your own words, they ARE pitbulls.

    Ripshin: Same with the LGD communities. No one cares if your pyrenees is pure bred or has a championship. If the dam or sire don't live with the herd/flock then no one cares. Working dogs come from working lines and farmers have no time for the AKC nonsense.
  • Well that was interesting
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  • First you said "I know a lot of people who think staffies are pitbulls they arent but people think they are" and then you said "all staffies are pitbulls" so whatever your point is went totally over my head.

    I do know what a pitbull is. A 'type' of dog. That a few different breeds and the crosses of those breeds fall under.
  • I think she means that a staffie is a bull type and it is also one of the breeds used often used as a "pitbull" and to help create "pibulls"

    A pitbull can include lots of breeds like cane Corso, Dogo Argentinian, Staffordshite Terriers some types of bulldogs and ect
    I'm trying to think of a better way to explain it but I cant.
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    Thanked by 1ConfluenceFarms
  • To summarize the below: pit bulls are a loose type that encompasses several breeds as well as many mixed dogs of unknown heritage.

    My impression (influenced greatly by where I live and the dogs I see on the regular) is that there are general "types" of dogs, that may loosely coincide with breed classifications. Huskies, malamutes, and other northern breeds fall under "Spitz" and good representations of each breed will share certain traits in common, such as a thick double coat, independent temperament, and tendency to chase something that runs away from it and then forget how to get home. Herding dogs have been selectively bred to exhibit a prey drive that has been redirected moulded into a useful herding capability. Herding dogs come from all different continents and cultures that work very diverse types of livestock. A working sled dog or working cattle dog doesn't need to be AKC certified to do their job. Ideally (read: not always in practice) a papered individual would be garunteed to exhibit those traits. Obviously that's not always the case, but that kind of continuity is something we can dream about and certainly something to consider if you aspire to become a breeder. One thing I really like about the Catahoula studbook is that registered dogs have to be able to herd and track. They're keeping the breed true to its purpose and I respect that.

    Bully breeds would include staffies, mastiffs, bull terriers, and the like. The issue I have with breeding pits is that I very rarely see a dog that shows any resemblance to one of those breed types. They don't have a "job" they're bred for (unless you include the unsavory practice of dog fighting). Although I'm sure that staffies, mastiffs, and bull terriers can be wonderful I sincerely doubt that they comprise the bulk of pits, especially those that end up in shelters. I would hazard to guess that the typical pit bull is several generations out from any purpose bred or imported dog from a known lineage. Without something to measure their usefulness against, there are serious inconsistencies in traits between dogs. These range from body size to facial structure, soundness, and temperament. The whole idea of a breed standard - registered animals or not - is consistency within that bloodline. I just don't see that. What I have seen is a loose type that has a reputation for being often unpredictable. No wonder!

  • I do think that having papers, at least on a horse, is the only thing you can do to try and ensure a good future. If I sell a horse, having a record of who they are and what they're bred for makes them much more valuable to potential owners and much more likes to end up in a favorable situation if sold again down the road. Some trainers won't even look at a prospect without knowing that it's bred for their discipline.

    Dogs and horses aren't the same animal (spontaneous pun!), but I'll argue that having a record of lineage is better than not having one.
  • Yeah, it's me. I never get things to come out the way I mean them to. :/ That, and it was 7:30 in the morning. Just ignore me!
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  • The problem is they AREN'T several generations out from their bred purpose. We all know what purpose many of those dogs are being bred for. The top AKC people obviously not but there are absolutely fighting dogs with papers.
  • The piebald was due to a genetic mutation. You are able to find pure AKC rottweilers with a genetic mutation which causes the melanin pigment in their genes to be underdeveloped -- thus causing the animal to appear white or light grey. As for pitbulls, catahoula was never bred into them. They all descended from the old world fighting dog, which is now extinct, without many other breeds bred into them -- a few they used were the breed previously mentioned, the bull terrier, the english bulldog (one of the foundation breeds), and possibly the bullmastiff. Pitbulls were originally bred for bull-baiting (hence the name "pit-bull" because they were being pitted against a bull) and this trait has long since been bred out of them. In today's time, the pit-bull (all breeds included) are ideally used as guard and companion dogs.

    As for the breeder who became offended when she heard about the possible different colors, she was obviously already doubting your lines along with not having strong knowledge about genetic mutations within dogs or other animals. Brindle in horses, for instance, is not recognized by the studbook as a favorable color. Instead, it's considered to be like a chimera Labrador or panda shepherd -- unwanted by shows and undesirable by breeders -- because all are due to a genetic mutation which caused the genes to become confused on which color the animal should primarily be.
  • It's something that we've gotten over. I still disagree with her about how the history and breeding of pitbulls and she still probably things mine has Catahoula in her. Either way we don't really talk about it anymore.
    I like your explanation though
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