October 2025 in “Journal of Veterinary Diagnostic Investigation” Black hair in cats has higher cortisol levels than white hair.
7 citations
,
January 2021 in “Frontiers in genetics” Inherited color dilution in rabbits is linked to DNA methylation changes.
30 citations
,
November 1985 in “American Journal of Veterinary Research” Switch hair can indicate magnesium and copper levels in beef cows.
May 2026 in “Preprints.org” Dark-coated cats are more stressed, and adoption reduces stress in cats.
February 2020 in “Research Square (Research Square)” The research identified key genes that control the growth cycle of cashmere in goats, which could help improve cashmere goat breeding.
10 citations
,
June 2009 in “Acta Biochimica Polonica” Old C57BL/6 mice with unsynchronized hair cycles show less melanin in their spleens.
1 citations
,
January 2020 in “Research Square (Research Square)” Inherited color dilution in Rex rabbits is linked to DNA methylation changes in hair follicles.
6 citations
,
November 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” Gene expression, especially Dkk4, is key to cat color patterns.
January 2007 in “UKnowledge (University of Kentucky)” Steers with winter hair coats and reduced sweating struggled with heat, leading to less grazing and poor performance.
1 citations
,
April 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Climate-related nutritional stress may cause hair loss in juvenile male Guadalupe fur seals.
1 citations
,
December 2018 in “Veterinary dermatology” The hair coat disorder in Schipperkes is similar to Alopecia X and involves increased androstenedione levels and hair cycle arrest.
May 2019 in “Small Animal Dermatology” The dog has Color Dilution Alopecia, causing hair loss and increased risk of skin infections.
2 citations
,
March 1977 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Defective mink guard hairs have split tips and missing cuticle cells, causing a metallic sheen.
January 2025 in “Arquivo Brasileiro de Medicina Veterinária e Zootecnia” Agoutis in captivity have more resting (telogen) hairs than growing (anagen) hairs, regardless of season or gender.
May 2023 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Cows that shed more hair in winter have better reproductive success and their calves weigh more at weaning.
June 2025 in “British Journal of Dermatology” Segmented hair color changes can indicate active alopecia areata.
2 citations
,
January 2025 in “Veterinary Dermatology” Male Pomeranians with woolly coats are more likely to develop alopecia X.
1 citations
,
June 1998 in “Journal of Forestry Research” Mammalian hair scales change from smooth to wavy due to friction.
40 citations
,
November 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” Different melanocyte types in hair follicles either survive or die during the catagen phase.
2 citations
,
March 1997 in “Veterinary Dermatology” The Doberman had multiple skin tumors, but it's unclear if color dilution increased the risk.
January 2026 in “Phaidra - Repository of the University of Veterinary Medicine, Vienna” Hair cortisol levels in wolves reflect stress and vary by season and body region.
August 2004 in “Veterinary Dermatology” Adult-onset hair loss in Chesapeake Bay retrievers may be linked to abnormal adrenal hormone production.
1 citations
,
November 2025 in “Science Advances” Two gene variants cause white spots in cattle.
January 2022 in “SSRN Electronic Journal” Mouse hair follicles age, causing more white hairs due to fewer pigment stem cells.
September 1973 in “Primates” 3 citations
,
December 2004 in “PubMed” A fungal infection caused skin lesions in farmed mink kits, but they remained healthy.
15 citations
,
September 1970 in “Journal of Animal Science” Copper in the diet helps maintain hair color and mineral balance in calves.
2 citations
,
July 2024 in “Frontiers in Veterinary Science” Apoptosis and ribosomal proteins are key in hair follicle cycle changes in cashmere goats.
6 citations
,
September 1957 in “Poultry Science” Adding copper helps turkey poults grow better when molybdenum is present.