March 2013 in “Pigment Cell & Melanoma Research” A gene called Taqpep affects cat coat patterns like stripes and blotches.
January 2023 in “Journal of Veterinary and Animal Sciences” Dogs with skin lesions often have blood abnormalities and damaged hair.
101 citations
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April 2013 in “Science” Feather pigment patterns form through melanocyte arrangement and simple regulatory mechanisms.
7 citations
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March 1990 in “Pigment Cell Research” Certain chemicals cause hair graying in black mice but not yellow mice.
6 citations
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September 2010 in “Pigment Cell & Melanoma Research” We know less about human hair pigmentation than mouse coat color, but pH and cysteine levels are key factors.
86 citations
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August 2000 in “Pigment cell research” Melanocyte activity in hair follicles is linked to the hair growth cycle, being active in growth phases and inactive in rest phases.
The gene Endothelin 3 makes mice's fur darker by increasing pigment cells and pigment levels.
September 2023 in “Jurnal Ilmu Kesehatan Hewan” The dog improved significantly after treatment for skin mites and fungi.
6 citations
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March 2011 in “Experimental Dermatology” Too much or too little selenium in the diet can cause hair loss and graying in mice.
1 citations
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July 1935 in “Nature” Animal hair can curl tightly on its own, especially in foxes, due to changes in keratin.
2 citations
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October 1999 in “Annals of the New York Academy of Sciences” Melatonin and cortisol affect mink winter hair growth, but β-endorphin levels do not.
June 2018 in “Journal of the American Veterinary Medical Association” Three related Persian cats have a rare, likely hereditary skin condition causing hair loss and poor coat quality, with limited treatment options.
6 citations
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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.
January 2023 in “Faculty of 1000 Research Ltd” Androgen loss may speed up hair greying.
140 citations
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August 2010 in “Pigment Cell & Melanoma Research” We know a lot about mouse hair color, but not much about human hair color differences.
43 citations
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November 2019 in “PLoS ONE” MED23 and GNAQ genes are crucial for chicken feather color.
January 1996 in “대한피부과학회지” Wait at least 8 weeks between hair dyeing for cuticle recovery.
35 citations
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January 2001 in “Journal of Animal Science” High dietary selenium, especially inorganic, causes weight loss and selenosis in pigs, with effects varying by hair color.
10 citations
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August 2023 in “Animals” SLC45A2 and GPNMB genes help control chicken feather color by promoting melanin.
1 citations
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May 2011 in “DOAJ (DOAJ: Directory of Open Access Journals)” The study found genetic diversity in coat color dilution among Czech pointers in Slovakia.
35 citations
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November 2021 in “Journal of Animal Science and Biotechnology/Journal of animal science and biotechnology” DNA methylation changes in Tan sheep affect growth and fur traits.
158 citations
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December 2002 in “Development” Msx2-deficient mice experience irregular hair growth and loss due to disrupted hair cycle phases.
12 citations
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September 1999 in “The journal of experimental zoology/Journal of experimental zoology” Prolactin levels do not control the start of winter fur growth in mink.
January 1992 in “Proceedings of the New Zealand Society of Animal Production” Ferret hair growth starts between 0 and 4 days after melatonin treatment, with cell growth peaking in the hair germ and declining as the hair matures.
2 citations
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July 2016 in “Veterinary dermatology” Hyperaesthetic leucotrichia in horses causes painful, recurring skin lesions and hair color changes, especially in Arabian and American paint horses.
14 citations
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January 2009 in “Experimental Dermatology” Hair sheds gradually from the follicle, with readiness to shed indicated by less attachment material.
4 citations
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January 2019 in “Tropical animal health and production”
December 2011 in “Korean journal of veterinary research” A Miniature Pinscher dog with hair loss and scaling was diagnosed with pattern alopecia and improved with melatonin treatment.
20 citations
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February 2023 in “Biology” Innovative cosmetics could safely change hair color by targeting biological hair pigmentation processes.
1 citations
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January 2016 in “Journal of Biosciences and Medicines” The ACTH/MC2R system is crucial for controlling hair growth cycles in mice.