The World’s Largest Genetic Registry of Pedigreed Cats
PETERBALD
General description:
The peterbald is an elegant Russian breed with a unique coat. The cats may
be totally hairless, or they may have a coat that looks and feels like a peach.
Peterbalds with longer coats may feel like plush short velvet or like a man’s
bristly beard. They have been described having a dominant gene for
hairlessness, or a dominant gene for hair loss, or a dominant gene for an
altered and diminished coat. All of this is true and may be found in these
beautiful cats. The peterbald is a medium sized cat, with a body shape similar
to the oriental shorthair, but more muscular. The lines are long and lovely.
Peterbalds are as delightful to look at as they are to touch.
History:
In approximately 1988, the first cat with an unusual coat was reported in Russia, found in a city called Rostov on Don.
The new breed was celebrated and announced by the Russians as a dominant mutation for bald cats. It was first
called the Don Sphynx. Cats were exported to breeders in Europe, and in a very short time, the first questions about
the genetics were raised. Kittens were being born that were not bald but that did not have ordinary cat coats. Some of these kittens developed
the bald coat, but many did not. The breeders decided that perhaps the gene was a dominant trait for hair loss. Many questions were raised
(and not yet answered!) as to whether it was one gene, or many genes; which genes caused hairlessness or hair loss, or possibly the trait coded
for an altered and diminished coat, with two copies causing total baldness from birth and one copy granting only a changed and unusual coat.
These issues are still not decided; however, genetic studies are currently underway and there may be an answer soon. While all these
developments were taking place, the new breed was taken to St. Petersburg, Russia. In 1993, a fine oriental shorthair, Radma Von Jagerhof,
was bred to a Don Sphynx named Afinguen Myth. The kittens were registered as “experimental,” and one of them, Nocturne Iz Murino, became
the foundation stud of the peterbald breed and is found in every peterbald pedigree. The International Cat Association accepted the peterbald
into championship competition in 2005. Peterbalds remain a very rare and desired breed.
Personality:
The highly intelligent, aggressively affectionate peterbald will entertain you with its playful antics. They are active and athletic, friendly and
curious. They will meet visitors at the door, exist in harmony with other cats and with dogs, and they will be the light of your life. The deeply
affectionate peterbald cat will be in your lap as many hours as you will allow it. They will sit by you as you drink your morning coffee, sit by your
chair during meals, crawl under the covers when you go to bed – there won’t be a minute in the day your cat won’t want to spend with you. Many
of them are highly vocal and will “talk back” to you. They will follow you to the door when you leave the house and meet you in the same place
when you come home. Once you have lived with a peterbald, life will never be the same.
Observed inheritance:
The peterbald will either have the peterbald trait, or it will not. As many peterbald cats apparently have only one copy of the gene, it is possible to
breed two peterbald cats and have normally coated kittens appear in the same litter as kittens with altered coats. In a peterbald to peterbald
breeding in which both parent cats were born with an altered coat, approximately one in four kittens will be born totally hairless. These kittens will
remain hairless all their lives and will always pass at least one copy of the peterbald trait to offspring. In that same breeding, approximately one
in four kittens will not inherit the peterbald trait, and these kittens will have ordinary coats. The other 50% of the kittens will have one copy of the
trait, and those kittens will be born with varying amounts of coat, which may be retained over a lifetime or lost. This appears to follow basic
Mendelian genetics; however, there is no current explanation for why some kittens will be born with hair and lose it while litter mates are born
with hair and retain it. It may be polygenetic (more than one locus for inheritance and expression of the trait), but this has not currently been
established. HOWEVER, THE FOLLOWING HAS BEEN DEMONSTRATED WITH REPEATED BREEDINGS: kittens born hairless, when bred
to allowable outcross breeds such as the Siamese or the oriental shorthair, will always pass the trait to their offspring. This implies that the
hairless-born cats are homozygous for the peterbald trait; that is, these cats do not carry the gene for ordinary cat coat. AND when a hairlessborn peterbald is bred to a peterbald born with hair, (regardless of whether or not they have lost coat or retained coat), approximately half the
kittens will be born hairless, and the other half will demonstrate some form of altered coat; that is, no ordinary cat coats occur in these litters.
Again, this appears to follow basic Mendelian genetics.
Traits:
The peterbald cat may have any of the following coats: 1) it may be totally hairless or have only very fine short hair on the face and extremities,
2) it may have a coat like a peach or a piece of suede leather, 3) it may have a coat of varying lengths that is made
entirely of downy soft hair without waves or curling or gloss, 4) it may have a coat of varying lengths that is made
entirely of wiry, kinky guard hair, or 5) it may lack the peterbald trait and have an ordinary cat coat. Cats without the
altered coat are called “straight coats,” and while they may be registered and bred as peterbalds, they may not
compete for championship titles. In peterbalds born with hair, the coat may change over time. Rarely, in bicolored
peterbalds, the white part of the coat will be the soft downy hair and the darker part of the
coat will be wiry guard hair with sharp demarcation between the two types. Whiskers are
frequently altered, appearing as curled, crinkled or vestigial. The peterbald is a medium
sized cat, smaller than the domestic shorthair but heavier than an oriental shorthair. The
body is long and tubular, with a tight, muscular abdomen. The head is a triangular wedge
with very large, oversized ears that extend below the line of the jaw’s angle. The muzzle
is blunt. The chin is well developed. The eyes are almost almond-shaped, large and
beautiful. The neck is long and slender. The legs are long and straight, dropping off the
chest directly under the barrel, ending in small oval feet with long agile toes. The foot pad
should be almost completely concealed in the standing cat. Hips and shoulders should be
the same width. In the sparsely coated or hairless peterbald, muscles are clearly defined,
well developed, and supple. The tail is long and whippy. The overall impression is that of
a breathtakingly lovely cat.
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