January 2002 in “HAL (Le Centre pour la Communication Scientifique Directe)” Melatonin affects fur growth timing in chinchillas.
January 2024 in “Biochemical genetics” The research found specific genes and proteins that affect how fast chickens' feathers grow, which is not solely determined by traditional inheritance patterns.
83 citations
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May 2011 in “Experimental Dermatology” Sheep have 17 keratin genes, similar to humans, but with different expression patterns affecting wool and hair.
2 citations
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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.
November 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” Zinc supplements improve hair growth in camels and support growth and hair development in calves.
205 citations
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April 2005 in “Journal of Investigative Dermatology” Scientists have found a way to create hair follicles from skin cells of newborn mice, which can grow and cycle naturally when injected into adult mouse skin.
16 citations
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July 1992 in “The journal of experimental zoology/Journal of experimental zoology” Adrenal glands delay the start of winter fur growth in mink.
January 2024 in “Authorea (Authorea)” Using laccase to add poly(tyrosine) to wool makes it less likely to shrink and stronger.
January 2022 in “SSRN Electronic Journal” Mouse hair follicles age, causing more white hairs due to fewer pigment stem cells.
70 citations
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March 1997 in “Journal of Investigative Dermatology”
January 2012 in “Methods in pharmacology and toxicology” Hair follicle culture helps study hair growth but has limitations in modeling the full hair cycle.
January 2023 in “Figshare” Mouse skin and hair aging starts at 200 days, with changes in hair follicles and more white hairs as signs of aging.
7 citations
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December 2015 in “PloS one” Cryopreserved mouse whisker follicles can grow hair when transplanted into nude mice.
December 2025 in “Jurnal Farmasi Tinctura” Cocoa leaf extract is effective and safe for promoting hair growth.
23 citations
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December 1991 in “Annals of the New York Academy of Sciences” Balding scalps slow down hair growth.
2 citations
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January 2013 in “Journal of Clinical & Experimental Dermatology Research” Human hair follicles can be grown in a lab for about a week.
37 citations
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January 2009 in “Dermatology” Healthy women tend to lose more hair in July and April, and the least in February.
Cocor Bebek leaf extract may promote hair growth better than minoxidil at high concentrations.
January 1998 in “Proceedings of the British Society of Animal Science” Biotin supports cell growth and DNA synthesis in Angora goat hair follicles.
January 1998 in “Proceedings of the British Society of Animal Science” Biotin supports cell growth and DNA synthesis in Angora goat hair follicles.
72 citations
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January 1983 in “The Anatomical Record” Epidermal growth factor delays skin and hair development in mice.
1 citations
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January 2020 in “Qucosa (Saxon State and University Library Dresden)” Fine hair on bovine leathers is hard to remove, lowering leather quality and value, but can be managed with specific processing methods.
68 citations
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April 1965 in “General and Comparative Endocrinology” The pituitary gland controls seasonal fur color changes in weasels.
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.
April 2023 in “Journal of Investigative Dermatology” Hair growth is driven by cells that move and change like a conveyor belt.
January 1953 in “Nihon Chikusan Gakkaiho” Soaking calf skin in lime solution dissolves cells at different rates, with optimal dehairing after 4-7 days.
April 2018 in “Journal of Investigative Dermatology” Arrector pili muscle regulates hair follicle stem cells, DNA methylation needed for hair cycling, and Wnt/B-catenin signaling starts hair growth.
May 2009 in “Hair transplant forum international” Androgens affect hair growth and shedding, with genetic and non-genetic factors influencing baldness.
29 citations
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September 2017 in “Genes” Selecting specific KRTAP26-1 gene variants can improve wool quality in sheep.