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The Piebald Weimaraner

By Anne Taguchi | Last Updated: July 24, 2021

Weimaraners are supposed to be solid gray dogs, simple as that. Right? Turns out, it’s not that simple and genetics can be so darn messy! Blue Weimaraners may have been the “red headed” step children in the past, but these days it seems we are seeing more and more piebald Weimaraners.

This is a piebald who came through CalWEAR Weim Rescue several years ago.

I don’t believe that they are cropping up more often; I believe that the ease of sharing photos these days has helped de-mystify them.

What Are Piebalds?

So what are piebalds? First of all, piebalding occurs in many dog breeds and also occurs in various animals, such as horses, cats, birds, squirrels, even snakes!

In Weimaraners, they look like German Shorthaired Pointers that are gray. The head tends to be more solid in color, and they usually have a white body with spots of color.


Where Did Piebalding Come From?

The question that always come up is, these dogs really purebred Weimaraners? Have they been cross bred? Just where in the world did this crazy pattern come from?

Are Piebald Weimaraners Cross-Bred?

On first glance, most anyone would assume cross breeding. Personally I have seen more piebalds in “field” lines than any other. Word is, it’s likely that Weimaraners have been bred to Pointers in the last 40 years. Could they be the result of more Pointer blood than Weimaraner?

Maybe. However, word of mouth says that most Pointer and Weimaraner cross bred dogs produce solid colored dogs. Genetically Pointers don’t carry the dilute gene, so the resulting cross should be a solid brown or black dog.

Another consideration is that the Weimaraner and German Shorthaired Pointer (GSP) shared the stud book in the breed’s beginnings. I’ve also been told that two GSPs have been known to occasionally produce a gray spotted dog. This may mean that the GSP still “carries” the dilute gene. The dilute gene is present in ALL Weimaraners which makes it the distinctive gray color (or blue). You can read about Weimaraner color genetics here.

Since GSPs are either brown or black, it would mean that most GSPs do not carry the dilute, because BOTH parents have to have the dilute for the dilute color to be exhibited. Could it be that Weims and GSPs have been crossed more recently than the 1800’s when the stud book was shared?

Are Piebald Weimaraners Throwbacks?

Knowing that Weims and GSPs shared a stud book in the early days means that they were likely cross bred back then, so piebalding could have been introduced when the breed was being created. That means that perhaps the piebalds of today are atavistic, in other words, “throwbacks.”

An example of atavistic throwbacks in Weimaraners is the tan markings that we sometimes see in the breed. They are often called “Doberman markings” suggesting that they come from Dobermans, but this is simply not true since it’s been well-documented that Weimaraners were developed before Dobermans. The tan markings come from the hound blood used to develop the breed. It is not desirable, but “pops up” unexpectedly even today.

I personally know of several breeders that have produce a piebald from two purebred gray Weimaraners.

A purebred Weimaraner from a reputable and well-known line showing what is considered an atavistic trait of piebaldism. Both her parents were solid gray Weimaraners.

Weimaraner Piebald Genetics

KIT Gene

In 2013 the Epplen lab at Ruhr University in Germany was able to test the DNA of a German bred female piebald Weimaraner from two solid gray parents.

They found that “This exceptional coat colour pattern can be attributed to a mutation in the KIT gene, emphasising the possible role of KIT in white spotting.”

By DNA they verified that the piebald’s parents were indeed the two solid gray parents as presented to them. They also found that the mutation wasn’t found in the parents, nor the solid gray littermates. (Gerding, W. M., Akkad, D. A. and Epplen, J. T. (2013), Spotted Weimaraner dog due to de novo KIT mutation. Anim Genet, 44: 605–606. doi:10.1111/age.12056)

Melanocyte Migration

The KIT gene is important for the development and function of certain cell types, including melanocytes which produce the pigment melanin. The MITF gene apparently works in conjunction to regulate KIT (or KIT signaling regulates MITF expression).

For you genetics geeks, that’s discussed here, here and here.

MITF is involved in various developmental processes, including melanocyte migration. Melanocyte migration is a fancy way of saying that coloring takes longer to develop in the womb. Delayed melanocyte migration is attributed to white spots that we see in Weimaraner, such as the commonly seen white spot on the chest.

Furthermore, there have been over 100 MITF mutations identified, and it is highly likely that piebalding we see in Weimaraners is caused by a combination of mutations.

As I said, I personally know several reputable breeders that have produced a piebald from two purebred gray Weims. I also know that in at least one case, a DNA test was run on the parents and it was proven that the parents were both gray Weimaraners as claimed.

Piebald Weimaraners Are NOT Produced Deliberately

After I first published this article, I received many messages asking where they can get a piebald Weimaraner. Piebalds are not produced deliberately. A breeder cannot predict mutations, and piebald Weimaraners are basically “genetic accidents.”

There is absolutely nothing wrong with piebald Weimaraners! They are quite stunning and are definitely not typical, but they are definitely a Weimaraner though and through!

Here are a few more photos of piebalds. Note that the puppies are born with white and develop ticking over time, indicating more melanocyte migration happening after birth.

The piebald Weimaraner pictured above in this article is at the top of left of this photo.
This is a different Weimaraner litter showing the various patterns that appeared, including solid gray puppies.
Note how pigmentation comes in as this piebald Weimaraner puppy grows. She is pictured in the previous photo upside down and in the middle.

Photos courtesy and © CalWEAR, Cindy Trent and Trax Weimaraners.

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About Anne Taguchi

Surviving life with Weims!

14 responses to “The Piebald Weimaraner”

  1. Louise says:

    We live in SoCal La Canada, CA with a 7 year old Weimaraner.
    We moved from U.K. to NJ to here and Roxy travelled with us. Our Girl Roxy will need introducing gently to a new family member but I also know that she would benefit. When we got Roxy at 16 months she was totally untrained, she had never heard the word NO and she was kept in her crate 24 hours without exercise or life experience. I know that I have given her a vastly better life and she is now content.

  2. Richard Harding says:

    If two piebald weimaraners are bred wll all the pups be this color? Also, if a piebald weimaraner was bred with a lab would white show up in the pups?

    • Anne Taguchi says:

      Both dogs would have to have the gene mutation for it to show up in the puppies. You’d likely get a mix of both piebalds and solid colors with 2 piebald parents, and solid brown or black dogs cross bred with a lab.

  3. Miriam cuevas says:

    Hola, soy amante la esta hermosa raza canina, tenemos una pareja de weimar (macho y hembra), recientemente tuvieron una camada en la cual salieron dos pequeños moteados blanco con gris plata , a primera vista surgía la duda del por q la diferencia pero somos de los pocos afortunados d contar con estos pequeños atípicos.
    Saludos desde México 🇲🇽
    Gracias por el aporte

  4. William Winkle says:

    Where can I get a Piebald Weim puppy?????

  5. Bonnie Sterner says:

    Love the bread. Beautiful form.

  6. Gerry McCaffrey says:

    Beautiful beautiful animal

  7. Gary Goleski says:

    From two purebred akc GSP a litter was with four grey GSP’s. We have of the pups grown now who is gorgeous. They call them blues and spoke of a dilute gene.

  8. Vanessa Pina says:

    Hi, My name is Vanessa P. I live in Peru and I just adopted a Weimaraner Piebald, it was the only one of the litter that came out like this.

  9. Amanda Spence says:

    We have 2 full blooded weims. Our female is silver and our male is blue. Our male has the white marking on his chest but Our female does not. They had a litter of pups last September. O e of our customers just called me and said his female is now showing spots. She is light in color but showing dark spots on her sides and on her feet! Is this normal?

    • Anne Taguchi says:

      Hi Amanda, do you think you could email me a photo at anne @ Did the puppy not have white when she went home to her new home?

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