Peer-reviewed veterinary case report
Skin changes in Newfoundland dogs after coat clipping
By Zur, Gila et al.·Published in Veterinary journal (London, England : 1997)·2013·Veterinary Teaching Hospital·View original on PubMed →
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Original publication title: Morphometry of skin changes in Newfoundland dogs following coat clipping.
- Species:
- dog
Plain-English summary
A group of Newfoundland dogs had noticeable changes in their coats after being clipped, including dullness and increased scaling. Researchers took skin samples from both clipped and unclipped dogs to study these changes. They found that the clipped dogs had thicker outer skin layers and smaller oil-producing cells compared to those that were never clipped. This suggests that clipping may lead to certain skin changes that affect the quality of their coat.
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Abstract
Dog breeds are unique in their coat conformation and quality. Newfoundland dogs have a long and fine hair coat, and clipping may induce changes in newly grown hair. This study examined structural changes in the skin of Newfoundland dogs following clipping. Dogs included in the study had visible coat changes following clipping that appeared as loss of gloss, increased scaling and textural changes. The control groups consisted of two groups of dogs that had never been clipped: Newfoundland dogs served as within-breed controls, and long-haired dogs of other breeds served as between-breed controls. All dogs were healthy with no history of dermatological problems. Two skin biopsies were taken from each dog and evaluated for predetermined parameters. A total of 41 samples were examined: 11 from clipped Newfoundland dogs, 16 from unclipped ones, and 14 from dogs of other breeds. By histopathology, the clipped dogs had a thicker cornified layer (P=0.006) and smaller sebocytes (P=0.022) than the unclipped ones. Newfoundlands had larger and more epitrichial sweat glands than other breeds (P=0.0002, P=0.036, respectively), and those were not affected by clipping. These results suggest that hyperkeratosis and decreased sebocyte size may explain the observed coat changes following clipping in Newfoundland dogs.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/23317660/