November 2025 in “Veterinary and Animal Science” Camel hair structure, not color, helps camels stay cool in the desert.
October 2025 in “HAL (Le Centre pour la Communication Scientifique Directe)” Variegated coat color in cats is linked to the Silver locus.
3 citations
,
March 2023 in “Biology” Genes affecting wool fiber thickness in Angora rabbits were identified, which could help breed finer wool.
A white-tailed deer fawn in South Dakota was the first cervid found with congenital hypotrichosis, a condition causing sparse or missing hair.
35 citations
,
November 1931 in “Journal of Genetics” Hairless mice lack fur due to a genetic mutation affecting skin response, not hormone issues.
2 citations
,
January 2000 in “Journal of Toxicologic Pathology” A single recessive gene causes sparse hair in certain Japanese White rabbits.
12 citations
,
July 2016 in “British journal of dermatology/British journal of dermatology, Supplement” Different hair fiber development might explain why hair loss severity varies in patients with a specific genetic mutation, and treatments that thicken hair could help.
27 citations
,
June 2020 in “Genes” Lykoi cats' unique sparse hair is linked to specific genetic variants in the Hairless gene.
January 2023 in “Pesquisa Veterinária Brasileira” A KRT71 mutation in Hereford cattle in Uruguay causes thin, curly hair and scaly skin.
38 citations
,
September 1997 in “The journal of investigative dermatology/Journal of investigative dermatology” A mutation in mice causes hair loss and skin issues due to a defect in a gene affecting cell adhesion.
3 citations
,
May 1991 in “Journal of Investigative Dermatology” 55 citations
,
August 2013 in “PloS one” Genetic differences between young and old Tan sheep explain why their fleece changes from curly to straight as they age.
20 citations
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July 2005 in “Experimental dermatology” The fuzzy gene is crucial for controlling hair growth cycles.
January 1996 in “TURKISH JOURNAL OF VETERINARY AND ANIMAL SCIENCES” Brown bear skin has two main layers, with the thickest skin on the back and thinnest on the belly.
January 2005 in “Jukuri (Natural Resources Institute Finland (Luke))” A low-protein diet with methionine is cost-effective and supports normal growth and high-quality pelts in blue foxes.
11 citations
,
January 2005 in “Brazilian Journal of Medical and Biological Research” Hairless USP mice have enlarged skin cysts as they age.
1 citations
,
June 1998 in “Journal of Forestry Research” Mammalian hair scales change from smooth to wavy due to friction.
2 citations
,
October 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” Lemur hair color and density vary by environment, supporting theories on primate hair evolution.
41 citations
,
April 1989 in “Experimental and Applied Acarology”
April 2026 in “bioRxiv (Cold Spring Harbor Laboratory)” The Lanyu pig's hair follicles are similar to human ones, making it useful for studying skin healing.
November 2020 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Certain genetic variants in PRLR and PCCA genes may lead to shorter hair in cattle, which could help with heat tolerance.
6 citations
,
January 1967 in “Journal of Small Animal Practice” Old dogs' skin thins, loses hair, and may darken, but doesn't show some human aging signs.
11 citations
,
January 1977 in “Archives of dermatological research” Mouse tail skin has different keratinization near hair follicles and scales.
October 2016 in “Veterinary record case reports” A cat had a rare skin disorder with hair loss and scaling, linked to a suspected tumor.
January 2007 in “Pizhūhish va sāzandigī” Hairless guinea pigs are useful for research in allergies, skin tests, and diseases.
1 citations
,
June 2017 in “Veterinary dermatology” A cross-bred lamb with severe skin and movement issues had ichthyosis fetalis but normal vitamin A levels.
7 citations
,
April 2000 in “Mammalian Genome” A new mutation in mice causes crooked whiskers and messy hair.
1 citations
,
December 2023 in “Animals” Winter provides the best fur quality for Rex rabbits due to seasonal changes in specific signaling pathways.
4 citations
,
March 2016 in “Small ruminant research” Vicuña wool's quality is due to a high density of fine secondary hair follicles, and their skin glands may be used for communication.
36 citations
,
July 1996 in “The journal of investigative dermatology/Journal of investigative dermatology” Mice with the 'lanceolate hair' mutation have abnormal hair and skin similar to human Netherton's syndrome.