| Landseer | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | |||||||||||||||||||||||||
| Other names | Landseer Newfoundland | ||||||||||||||||||||||||
| Origin | Canada | ||||||||||||||||||||||||
| Foundation stock | Newfoundland | ||||||||||||||||||||||||
| |||||||||||||||||||||||||
| Dog ( domestic dog ) | |||||||||||||||||||||||||
| Landseer ECT | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Other names | European Continental Type | ||||||||||||||
| |||||||||||||||
| |||||||||||||||
| Dog ( domestic dog ) | |||||||||||||||
The Landseer is a dog that originated in Canada, it is a black and white variety of the Newfoundland that is recognised as an independent breed in continental Europe.
The Newfoundland (and Landseer) are descended from dogs used by fishermen in the Newfoundland and Labrador region of Canada, it is believed these dogs are descended from water dogs and livestock guardian dogs imported by Portuguese and Basque fishing vessels with possible crosses to indigenous dogs. [1] [2] In the Victorian era black and white Newfoundland dogs were more popular than the solid black coloration, and they were the subject of a number of 19th century artists including Sydenham Edwards, Philip Reinagle, Samuel Jones and most famously Edwin Landseer, the name Landseer was used to describe black and white Newfoundlands as early as 1896. [1] [2] [3]
In the 20th century the solid black coloration became more popular and supplanted the bi-colored animals, so much so that in the 1930s a concerted effort was made to recreate the dogs seen in the paintings of Landseer, the efforts of these breeders resulting in the Landseer breed. [1] [2] In Great Britain and North America Landseer colored dogs are considered a variety of the Newfoundland breed, but in 1976 a separate breed club for Landseer colored dogs was created in Germany, similar clubs soon followed in Belgium and Holland and now they are considered a separate breed in continental Europe with separate Fédération Cynologique Internationale recognition. [1] [2] [4]
The Landseer's black and white coloration arises from the recessive piebald color allele found in Newfoundlands, the piebald coloration is a recessive trait so a single litter can have both Landseer and solid-colored puppies, depending on the genotype of the parents. [5] With this split in recognition gradual differences in appearance began to appear between the two forms, the European form is taller with longer legs and less bulk, and a longer more tapered head, its coat is said to be curlier whilst the Newfoundland's is said to be wavier. [2]
A study in 2015 found a special gene in Landseers with muscle dystrophy called COL6A1 that could provide researchers with important information that can lead to a vaccine for the disease overall. [6]
A bicolor cat or piebald cat is a cat with white fur combined with fur of some other color, for example black or tabby. There are various patterns of bicolor cat. These range from Turkish Van pattern through to solid color with a throat locket.
The Catahoula Leopard Dog is an American dog breed named after Catahoula Parish, Louisiana. It became the state dog of Louisiana in 1979. It is recognized by the United Kennel Club (UKC) under the name Louisiana Catahoula Leopard Dog, and Catahoula Leopard Dog in the American Kennel Club (AKC) Foundation Stock Service. Both registries have assigned the breed a herding group designation. It has traditionally been used in hunting feral boars.
The Shetland Sheepdog, often known as the Sheltie, is a breed of herding dog that originated in the Shetland Islands of Scotland. The original name was Shetland Collie, but this caused controversy among the Rough Collie breeders of the time, so the breed's name was formally changed. This hard-working small dog is intelligent, vocal, excitable and willing to please. They are incredibly loyal to their owners to the point where they are often referred to as "shadows" due to their attachment to family. This breed was formally recognized by The Kennel Club (UK) in 1909.
Roan is a coat color found in many animals, including horses, cattle, antelope and dogs. It is defined generally as an even mixture of white and pigmented hairs that do not "gray out" or fade as the animal ages. There are a variety of genetic conditions which produce the colors described as "roan" in various species.
Collies form a distinctive type of herding dogs, including many related landraces and standardized breeds. The type originated in Scotland and Northern England. Collies are medium-sized, fairly lightly-built dogs, with pointed snouts. Many types have a distinctive white color over the shoulders. Collies are very active and agile, and most types of collies have a very strong herding instinct. Collie breeds have spread through many parts of the world, and have diversified into many varieties, sometimes mixed with other dog types. Some collie breeds have remained as working dogs for herding cattle, sheep, and other livestock, while others are kept as pets, show dogs or for dog sports, in which they display great agility, stamina and trainability. While the American Kennel Club has a breed they call "collie", in fact collie dogs are a distinctive type of herding dog inclusive of many related landraces and formal breeds. There are usually major distinctions between show dogs and those bred for herding trials or dog sports: the latter typically display great agility, stamina and trainability, and, more importantly, sagacity.
The Australian Shepherd, often known simply as the "Aussie", is a medium-sized breed of dog that was developed in the United States, and identified as a breed in the early 20th century. The preceding forebears of the foundation dogs likely had several sources, but were primarily UK rural landrace herding collies of various types and/or regions. Other landrace types that oral histories commonly attribute to Australian Shepherd ancestry include herding farmcollies of the Iberian peninsula and German herding farmcollie types, with possible connections via travel to Australia prior to travel to the United States. There is disagreement regarding the exact provenance of the breed's progenitures, prior to their arrival in the United States, and thus no official consensus on the origin of the breed name or association with Australia, or on exactly which landrace dogs contributed to the foundation dogs' gene pool.
Cat coat genetics determine the coloration, pattern, length, and texture of feline fur. Understanding how is challenging because many genes are involved. The variations among cat coats are physical properties and should not be confused with cat breeds. A cat may display the coat of a certain breed without actually being that breed. For example, a Siberian could wear point coloration, the stereotypical coat of a Siamese.
A piebald or pied animal is one that has a pattern of unpigmented spots (white) on a pigmented background of hair, feathers or scales. Thus a piebald black and white dog is a black dog with white spots. The animal's skin under the white background is not pigmented.
The Snowshoe is a breed of cat originating in the United States of America in the 1960s. Snowshoes were first produced in Philadelphia when a Siamese breeder's cat gave birth to three kittens with white feet. The breeder, Dorothy Hinds-Daugherty, then began a breeding program to produce what were originally called "Silver Laces", crossing the strangely marked Siamese cats with bi-color American Shorthair cats and other breeds. When Hinds-Daugherty left the program, Vikki Olander began working with the cats and recruited new breeders, as well as worked towards full recognition within cat associations. Despite having existed for 45 years, Snowshoes are rare due to the difficulty of reproducing the correct coat markings. The marks are based on recessive genes for color points and on the co-dominant but variably-expressed piebald pattern gene, making it difficult to predict the appearance of offspring.
At right is displayed the color traditionally called liver.
Point coloration refers to animal coat coloration with a pale body and relatively darker extremities, i.e. the face, ears, feet, tail, and scrotum. It is most recognized as the coloration of Siamese and related breeds of cat, but can be found in dogs, rabbits, rats, sheep, guinea pigs and horses as well.
The Anatolian Shepherd Dog, also known as the Çoban Köpeği, is a breed of livestock guardian dog developed in the United States from dogs imported from Turkey. Bred from Turkish shepherd dogs including Akbash and Kangal shepherds that were imported into the United States from the 1960s, the Anatolian Shepherd Dog has developed into a distinct breed.
Merle is a genetic pattern that can be in a dog's coat. Merle comes in different colors and patterns and can affect all coat colors. The merle gene creates mottled patches of color in a solid or piebald coat, blue or odd-colored eyes, and can affect skin pigment as well. There are two general types of colored patches that will appear in a merle coat: liver and black. Some breeds that can be affected by this genetic trait are Australian Shepherds and Catahoula Leopard Dogs. This genetic trait should be taken seriously when breeding merles. Health issues are more typical and more severe when two merles are bred together, so it is recommended that a merle be bred with a non-merle dog of any other color.
A pinto horse has a coat color that consists of large patches of white and any other color. The distinction between "pinto" and "solid" can be tenuous, as so-called "solid" horses frequently have areas of white hair. Various cultures throughout history appear to have selectively bred for pinto patterns.
The Large Münsterländer is a breed of gun dog originally from the Münster region in Germany.
The Icelandic sheep is a breed of domestic sheep. The Icelandic breed is one of the Northern European short-tailed sheep, which exhibit a fluke-shaped, naturally short tail. The Icelandic is a mid-sized breed, generally short-legged and stocky, with face and legs free of wool. The fleece of the Icelandic sheep is dual-coated and occurs in white and a variety of other colors, including a range of browns, grays, and blacks. They exist in both horned and polled strains. Generally left unshorn for the winter, the breed is very cold-hardy. Multiple births are very common in Icelandic ewes, with a lambing percentage of 175–220%. A gene also exists in the breed called the Þoka gene, and ewes carrying it have been known to give birth to triplets, quadruplets, quintuplets, and even sextuplets on occasion.
The genetic basis of coat colour in the Labrador Retriever has been found to depend on several distinct genes. The interplay among these genes is broadly used as an example of epistasis.
The Persian cat is a long-haired breed of cat characterized by its round face and short muzzle. It is also known as the "Persian Longhair" in the English-speaking countries. The first documented ancestors of the Persian were imported into Italy from Iran around 1620. Recognized by the cat fancy since the late 19th century, it was developed first by the English, and then mainly by American breeders after the Second World War. Some cat fancier organizations' breed standards subsume the Himalayan and Exotic Shorthair as variants of this breed, while others treat them as separate breeds.
The Greenlandic sheep is a breed of domestic sheep. The Greenlandic breed is one of the Northern European short-tailed sheep, which exhibit a fluke-shaped, naturally short tail. The Greenlandic is a mid-sized breed, generally short-legged and stocky, with face and legs free of wool. The fleece of the Greenlandic sheep is dual-coated and comes in white as well as a variety of other colors, including a range of browns, grays, and blacks. They exist in both horned and polled strains. Generally left unshorn for the winter, the breed is very cold-hardy. Multiple births are very common in Greenlandic ewes, with a lambing percentage of 150% - 190%.
Modern dog breeds have a wide range of coat colors, patterns, textures and lengths. Knowledge of the genetics of canine coat coloring and patterning and coat texturing and length has improved a great deal in recent years.
 | Wikimedia Commons has media related to Landseer . |
Dogs originating in Canada | ||
|---|---|---|
| Extant |  | |
| Extinct | ||
 | This dog-related article is a stub. You can help Wikipedia by expanding it. |
