3 citations
,
January 2021 in “Veterinary dermatology” A litter of cats had a hair condition similar to a mouse mutation, leading to hair loss and abnormal hair and skin.
December 2019 in “Ukrainian Journal of Veterinary and Agricultural Sciences” Donkey and horse hair have different microscopic structures, which can help tell them apart.
October 2023 in “Animal production science” Vitamin A deficiency changes cattle hair structure, while pregnancy may improve it, suggesting hair can indicate cattle health.
8 citations
,
July 2004 in “Journal of morphology” Marsupial hair structure and keratin distribution are similar to placental mammals.
Hairless mammals evolved quickly in both gene and non-gene areas related to skin and hair.
5 citations
,
January 2010 in “The anatomical record” Most dogs have hair whorls on their chest and limbs, with shelter dogs and short-haired dogs having more chest whorls.
Hairlessness in mammals is due to complex genetic changes in both genes and regulatory regions.
8 citations
,
February 2005 in “Veterinary dermatology” Chesapeake Bay retrievers' hair loss is likely a breed-specific, hereditary condition linked to abnormal steroid levels and distinct skin changes.
2 citations
,
August 1995 in “Acta agriculturæ Scandinavica. Section A, Animal science” Adult male raccoon dogs shed their winter fur in spring and grow new fur for winter in autumn.
2 citations
,
January 2025 in “Veterinary Dermatology” Male Pomeranians with woolly coats are more likely to develop alopecia X.
28 citations
,
May 2017 in “Molecular ecology” Researchers found genes that control hair color and growth change before the visible coat color changes in snowshoe hares.
1 citations
,
January 2021 in “Pakistan journal of zoology” Red fox, golden jackal, and gray wolf hairs have similar features but differ in length, thickness, and inner structure.
February 1999 in “The anatomical record” Two mouse mutants have defective hair cuticle cross-linking.
January 2024 in “Medycyna Weterynaryjna” Horse breed significantly affects skin and hair thickness.
15 citations
,
February 1999 in “The anatomical record” Some mutant mice have hair with abnormal cross-linking, mainly in the cuticle, not affecting other hair parts.
28 citations
,
June 1991 in “Veterinary Dermatology” Black and white Saluki dogs have a unique hair loss condition different from Doberman pinschers.
January 2015 in “VetPharma” Alopecia X causes hair loss in young plush-coated dogs and can be treated with various therapies, but hair may regrow and then fall out again.
68 citations
,
April 1965 in “General and Comparative Endocrinology” The pituitary gland controls seasonal fur color changes in weasels.
25 citations
,
May 1972 in “Canadian journal of zoology” Black-tailed deer have four types of pelages and molt twice a year.
Tan sheep's unique fur traits are determined during the embryonic stage by specific genes.
3 citations
,
February 1992 in “Journal of veterinary medicine. Series A” The farm-raised blue fox had a delayed winter coat cycle and abnormal hormone levels, but its hair growth and hormone changes were still linked.
A black Doberman with hair loss improved partially with omega-3/omega-6 treatment.
Hairlessness in mammals is caused by combined changes in genes and regulatory regions.
November 2025 in “BMC Genomics” Genetic differences in sheep affect wool type, with fat and immune genes influencing hair traits.
16 citations
,
April 2012 in “Journal of mammalogy” Young female Australian fur seals are losing hair due to low tyrosine and zinc levels and high pollution exposure.
January 2005 in “Journal of Zhejiang University(Sciences Edition)” Yuyi hairless mice lose hair after birth, develop thick, loose skin with folds, and show disorganized skin structure as they age.
January 1957 in “Nihon Chikusan Gakkaiho” Rabbit hair color is influenced by the shape and distribution of pigment granules.
2 citations
,
March 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” Hairless mammals have genetic changes in both their protein-coding and regulatory sequences related to hair.
41 citations
,
April 1989 in “Experimental and Applied Acarology”
August 2024 in “Biophysics Reviews” Mammal hairs have different internal structures.