Carolina Dog

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Carolina dog
Dakota, the Dixie Dingo (or Carolina Dog).jpg
Origin United States
Traits
Height 17.75–19.5 in (45.1–49.5 cm)
Weight 30–55 lb (14–25 kg)
Color Preferable: red ginger with pale buff markings over the shoulders, and pale white along the muzzle.
Kennel club standards
United Kennel Club standard
Dog ( domestic dog )

The Carolina dog, also known as a yellow dog, [1] yaller dog, [2] [3] [4] American dingo, [3] or Dixie dingo, [3] is a breed of medium-sized dog occasionally found feral in the Southeastern United States, especially in isolated stretches of longleaf pines and cypress swamps. Efforts to establish them as a standardized breed have gained the Carolina Dog breed recognition in two smaller kennel clubs and full acceptance into the breed-establishment program of one major kennel club.

Contents

Originally a landrace breed, [5] the Carolina dog was rediscovered living as a free-roaming population by I. Lehr Brisbin Jr., [6] though originally documented in American dog-related publications in the 1920s. [7] Carolina dogs show admixture with dog breeds from east Asia.

Discovery

One of the earliest publications to document the "Indian" dogs of North America was an article by Glover Morrill Allen in 1920. [7] Allen postulated that these "Larger or Common Indian Dogs" were descended from Asian primitive dogs:

The probability therefore is, that the Domestic Dog originated in Asia and was carried by ancient peoples both east and west into all parts of the inhabited world. That this migration began in late Pleistocene times seems highly probable. [7]

Allen cites late nineteenth-century studies of skeletal remains of dogs that could be found from Alaska to Florida to the Greater Antilles and westward to the Great Plains, and were excavated from Indian mounds as well:

Cope (1893) was the first to describe the jaw of this dog from a specimen collected by Moore from a shell-mound on the St. Johns River, Florida. He was struck by the fact that the first lower premolar was missing and appeared not to have developed. He also noticed strong development of the entoconid of the carnassial.
Moore, in the course of various explorations in Florida and Georgia discovered many remains of dogs, apparently of this type. In a large mound on Ossabaw Island, Georgia, he (1897) found several interments of human and dog-skeletons, the latter always buried separately and entire, showing that the dogs had not been used as food. Other dog-skeletons of a similar sort were found by Moore (1899) in aboriginal mounds on the South Carolina coast ... Putnam considered them the same as the larger Madisonville (Ohio) dogs. [7]

These dogs were publicized by I. Lehr Brisbin Jr., a senior research ecologist at the University of Georgia's Savannah River Ecology Laboratory, who first came across a Carolina dog while working at the Savannah River Site, which was depopulated and secured of all trespass and traffic for decades beginning in 1950. [6]

Establishment and recognition

Pet Carolina dog at home 2013072515020909 MyDogs 622.jpg
Pet Carolina dog at home

Since 1996, Carolina dogs can be registered with the United Kennel Club [8] (UKC), which has published a detailed, formal Carolina Dog breed standard. [9] UKC focuses on hunting dogs and other working dogs, and categorizes the Carolina in their "Sighthound & Pariah Group" [lower-alpha 1] , along with other breeds such as the Basenji of Africa and the Thai Ridgeback. A breed standard has also been issued by the American Rare Breed Association (ARBA). [10] ARBA includes the Carolina in their Group 5 along with the Canaan dog and the New Guinea singing dog. [11]

In July 2017, the American Kennel Club (AKC, the largest dog breed registry in the United States) accepted the Carolina Dog breeding program into its Foundation Stock Service (FSS), [12] the first step toward official AKC breed recognition. AKC has the dog listed under their "Hound" group.

Description

Pet Carolina dog at rest in a yard Karolinsky Pes2.jpeg
Pet Carolina dog at rest in a yard

Carolina dogs are medium-sized; height ranges from 18 to 24 inches (46 to 61 cm), and weight from 35 to 50 pounds (16 to 23 kg). [13] The ears are characteristic and are erect, very long, and moderately slender, tapering way up to elegantly pointed tips, and they can be individually turned to the direction of any sound, providing extremely sensitive hearing. [14] The dog ranges in build from muscular yet slender and graceful to somewhat stockier animals. The dogs' legs are also graceful, but strong. The hind midsection is firm and narrow. The overall build in a healthy, properly fed Carolina dog is svelte to somewhat stockier, strong and athletic. Paws are relatively large. The snout and the notably elongated, fox-like ears are spitz-like. The tail is usually upturned and often has a hooked kink in it. The coat is usually short and smooth, characteristic of a warm-climate dog.

Colors vary, and may include reddish ginger, buff, fawn, black-and-tan, or piebald [15] with or without white areas on toes, chest, tail tip, and muzzle. The eyes are at an oblique angle and almond shaped. The eyes vary in color, but are usually dark brown or medium to dark orange. The area along the edges of the eyes is often (but not always) a distinctive black "eyeliner" coloration which becomes more pronounced by contrast in lighter-colored dogs. The lips are often black, even in light-colored dogs. Frequently, puppies have a melanistic mask that usually fades as the adult coat comes in. [16]

Behavior

Breeding in the wild

Female Carolina dogs have three estrus cycles in quick succession, which settle into seasonal reproductive cycles when there is an abundance of puppies. This is thought to ensure quick breeding in the wild before diseases, like heartworm, take their toll. [6]

DNA evidence

Carolina dog "Hunter" that participated in DNA testing Carolina dog 3-13-13.jpg
Carolina dog "Hunter" that participated in DNA testing

Brisbin (1997) conjectured that some of the Carolina dog's ancestors arrived with prehistoric Americans. [6]

In 2013, a study looked at the mitochondrial DNA (mtDNA) [lower-alpha 2] sampled from Carolina dogs. The study showed that 58% of the dogs carried universal haplotypes [lower-alpha 3] that could be found around the world (haplotypes [lower-alpha 3] A16, A18, A19, and B1), 5% carried haplotypes associated with Korea and Japan (A39), and 37% carried a unique haplotype (A184) that had not been recorded before, and that is part of the a5 mtDNA sub-haplogroup that originated in East Asia. [20] In contrast, the Australian dingo and the New Guinea singing dog both belong to haplotype A29 [21] [22] [lower-alpha 3] which is in the a2 sub-haplogroup, [23] [24] hence there is no genetic relationship in the mtDNA. Also in 2013, another study of several dog breeds in the Americas – among them the Carolina dog, the Peruvian Hairless Dog, and the Chihuahua indicated an ancient migration from East Asia. [25] [20]

In 2015, a study was conducted using mitochondrial (female lineage marker), Y-chromosome (male lineage marker), and autosomal genetic markers in 4,676 purebred dogs from 161 breeds and 549 village dogs from 38 countries. The study tested for the degree of admixture with European breed dogs. The study found no yDNA haplotypes [lower-alpha 3] indigenous to North American dogs outside of the Arctic. However, the mtDNA of Carolina dogs contained between 10%–35% pre-Columbian ancestry (mtDNA haplotype A184) that clustered with East Asian dogs. [26]

In 2018, a study compared sequences of fossil North American dogs with fossil Siberian dogs and modern dogs. The study indicates that dogs entered North America from Siberia 4,500 years after humans first arrived, were isolated for 9,000 years, and were nearly wiped out after European contact when they were mostly replaced by Eurasian dogs; the pre-contact dogs exhibit a unique genetic signature that is now almost entirely gone, with their nearest genetic relatives being the Arctic dog breeds. Three Carolina dogs in the study exhibited up to 33% pre-contact/Arctic lineage, however the study could not rule out this being the result of admixture with modern Arctic dog breeds. [27]

See also

Notes

  1. ↑ In addition to the UKC category Sighthound & Pariah Group , see also the separate, more general categories sighthound and pariah dog .
  2. ↑ Mitochondrial DNA (mtDNA) passes only along the maternal line, and can date back thousands of years. See Arora, et al. (2015) [18]
  3. 1 2 3 4 A haplotype is a group of genes found in an organism that is inherited from only one of its parents, hence-for example, matrilinear mitochondrial DNA (mDNA) in all animals, and in mammals, patrilinear Y-chromosomal DNA (yDNA). [19]

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References

  1. ↑ Hitt, Jack (July 15, 2013). "DNA Backs Lore on Pre-Columbian Dogs". The New York Times. Retrieved October 22, 2018.
  2. ↑ Weidensaul, Scott. "Tracking America's First Dogs". Smithsonian . Retrieved October 22, 2018.
  3. 1 2 3 "Carolina Dog Dog Breed Information - American Kennel Club". American Kennel Club. Retrieved October 22, 2018.
  4. ↑ "Old Yeller". NPR.org. Retrieved October 22, 2018.
  5. ↑ Fox, Michael W. (March 19, 2018). "Natural, indigenous dogs". Animal Wellness Magazine. Retrieved November 15, 2018.
  6. 1 2 3 4 Brisbin, I.; Risch, T. (1997). "Primitive dogs, their ecology and behavior: Unique opportunities to study the early development of the human-canine bond". Journal of the American Veterinary Medical Association . 210 (8): 1122–1126. PMID   9108912.
  7. 1 2 3 4 Allen, Glover Morrill (1920). "Dogs of the American Aborigines". Bulletin of the Museum of Comparative Zoology at Harvard College. LXIII (9): 137.
  8. ↑ "United Kennel Club". Arienne Associates. 1996. Archived from the original on September 2, 2006. Retrieved October 15, 2006.
  9. ↑ "Carolina dog breed standard". ukcdogs.com. United Kennel Club.
  10. ↑ "Standard of the Carolina Dog". ARBA.com. American Rare Breed Association. Archived from the original on October 13, 2006. Retrieved February 21, 2018.
  11. ↑ "Group 5 dogs". American Rare Breed Association.
  12. ↑ "Carolina Dog". Dog Breeds. American Kennel Club.
  13. ↑ "BREED STANDARD". Carolina Dog Fanciers of America. Retrieved June 17, 2023.
  14. ↑ "Carolina Dog". Rare Breed Network. 1996. Archived from the original on May 2, 2015. Retrieved September 27, 2015.
  15. ↑ "Appearance". Carolina Dog Rescue and Conservation Project. Archived from the original on April 14, 2013.
  16. ↑ Weidensaul, Scott (March 1, 1999). "Tracking America's First Dogs". Smithsonian . Smithsonian Institution . Retrieved October 11, 2006.
  17. ↑ van Asch, Barbara; Zhang, Ai-bing; Oskarsson, Mattias C. R.; Klütsch, Cornelya F. C. (May 9, 2012). "MtDNA Analysis Confirms Early Pre‐Colombian Origins of Native American Dogs". KTH Vettenskap Och Konst.
  18. ↑ Arora, Devender; Singh, Ajeet; Sharma, Vikrant; Bhaduria, Harvendra Singh; Patel, Ram Bahadur (2015). "Hgs Db: Haplogroups Database to understand migration and molecular risk assessment". Bioinformation. 11 (6): 272–275. doi:10.6026/97320630011272. PMC   4512000 . PMID   26229286.
  19. ↑ Cox, C.B.; Moore, Peter D.; Ladle, Richard (2016). Biogeography: An ecological and evolutionary approach. Wiley-Blackwell. p. 106. ISBN   978-1-118-96858-1.
  20. 1 2 van Asch, Barbara; Zhang, Ai-bing; Oskarsson, Mattias C. R.; Klütsch, Cornelya F.C.; Amorim, António; Savolainen, Peter (July 10, 2013). "Pre-Columbian origins of Native American dog breeds, with only limited replacement by European dogs, confirmed by mtDNA analysis". Proceedings of the Royal Society B: Biological Sciences. 280 (1766): 20131142, and Table 1. doi:10.1098/rspb.2013.1142. PMC   3730590 . PMID   23843389.
  21. ↑ Savolainen, P.; Leitner, T.; Wilton, A. N.; Matisoo-Smith, E.; Lundeberg, J. (2004). "A detailed picture of the origin of the Australian dingo, obtained from the study of mitochondrial DNA". Proceedings of the National Academy of Sciences . 101 (33): 12387–12390. Bibcode:2004PNAS..10112387S. doi: 10.1073/pnas.0401814101 . PMC   514485 . PMID   15299143.
  22. ↑ Oskarsson, M.C.R.; Klutsch, C.F.C.; Boonyaprakob, U.; Wilton, A.; Tanabe, Y.; Savolainen, P. (2011). "Mitochondrial DNA data indicate an introduction through Mainland Southeast Asia for Australian dingoes and Polynesian domestic dogs". Proceedings of the Royal Society B: Biological Sciences . 279 (1730): 967–974. doi:10.1098/rspb.2011.1395. PMC   3259930 . PMID   21900326.
  23. ↑ Pang, J.-F.; Kluetsch, C.; Zou, X.-J.; Zhang, A.-B.; Luo, L.-Y.; Angleby, H.; Ardalan, A.; Ekstrom, C.; Skollermo, A.; Lundeberg, J.; Matsumura, S.; Leitner, T.; Zhang, Y.-P.; Savolainen, P. (2009). "MtDNA data indicate a single origin for dogs south of Yangtze River, less than 16,300 years ago, from numerous wolves". Molecular Biology and Evolution . 26 (12): 2849–64. doi:10.1093/molbev/msp195. PMC   2775109 . PMID   19723671.
  24. ↑ Duleba, Anna; Skonieczna, Katarzyna; Bogdanowicz, Wiesław; Malyarchuk, Boris; Grzybowski, Tomasz (2015). "Complete mitochondrial genome database and standardized classification system for Canis lupus familiaris". Forensic Science International: Genetics . 19: 123–129. doi:10.1016/j.fsigen.2015.06.014. PMID   26218982.
  25. ↑ Hitt, Jack (July 15, 2013). "D.N.A. backs lore on pre-Columbian dogs". New York Times . Retrieved July 15, 2013.
  26. ↑ Shannon, Laura M.; Boyko, Ryan H.; Castelhano, Marta; Corey, Elizabeth; Hayward, Jessica J.; McLean, Corin; et al. (2015). "Genetic structure in village dogs reveals a Central Asian domestication origin". Proceedings of the National Academy of Sciences . 112 (44): 13639–13644. Bibcode:2015PNAS..11213639S. doi: 10.1073/pnas.1516215112 . PMC   4640804 . PMID   26483491.
  27. ↑ Ní Leathlobhair, Máire; Perri, Angela R.; Irving-Pease, Evan K.; Witt, Kelsey E.; Linderholm, Anna; Haile, James; et al. (2018). "The evolutionary history of dogs in the Americas". Science . 361 (6397): 81–85. Bibcode:2018Sci...361...81N. doi: 10.1126/science.aao4776 . PMC   7116273 . PMID   29976825.
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