Landseer 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.

Landseer
Other namesLandseer Newfoundland
OriginCanada
Foundation stockNewfoundland
Traits
Height 26–28 in (66–71 cm)
Weight 100–150 lb (45–68 kg)
Coat Long
Color Black & white
Life span ≈ 11 yrs
Dog (domestic dog)
Landseer ECT
Other namesEuropean Continental Type
Traits
Height 26–31 in (67–80 cm)
Weight Dogs Average 150 lb (68 kg)
Bitches Average 119 lb (54 kg)
Kennel club standards
FCI standard
Dog (domestic dog)

History

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.[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, whose name 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 resulted 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 they are now considered a separate breed in continental Europe with separate Fédération Cynologique Internationale recognition.[1][2][4]

Genetics

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]

Paintings of Newfoundlands by Sir Edwin Landseer
Lion, a Newfoundland dog, 1824
A Distinguished Member of the Humane Society, 1838
Saved, 1856

References
  1. Fogle, Bruce (2009). The encyclopedia of the dog. New York: DK Publishing. p. 345. ISBN 978-0-7566-6004-8.
  2. Morris, Desmond (2001). Dogs:the ultimate guide to over 1,000 dog breeds. North Pomfret, VT: Trafalgar Square Publishing. p. 669. ISBN 1-57076-219-8.
  3. Walsh, John Henry "Stonehenge" (1896). The dog: it’s varieties and management in health. London & North York: Frederick Warne & Co. p. 57.
  4. Cunliffe, Juliette (2003). The encyclopedia of dog breeds. New York: Barnes & Noble Books. pp. 284 & 368. ISBN 0-7607-3458-5.
  5. Schmutz, S. M.; Berryere, T. G. (December 2007). "Genes affecting coat color and pattern in domestic dogs: a review". Animal Genetics. 38 (6): 539–549. doi:10.1111/j.1365-2052.2007.01664.x. PMID 18052939. S2CID 28968274.
  6. Steffen, F.; Bilzer, T.; Brands, J.; Golini, L.; Jagannathan, V.; Wiedmer, M. (4 October 2015). "A Nonsense Variant in COL6A1 in Landseer Dogs with Muscular Dystrophy". NCBI. PMC 4683634.
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.