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July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair growth is controlled by specific gene clusters and proteins, and cysteine affects hair gene expression in sheep.
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October 2025 in “Frontiers in Veterinary Science” Quercetin boosts hair follicle stem cell growth and survival in cashmere goats.
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January 2007 in “Pizhūhish va sāzandigī” Hairless guinea pigs are useful for research in allergies, skin tests, and diseases.
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March 1994 in “Proceedings of the British Society of Animal Production” Prolactin and melatonin affect the growth of Angora and Cashmere goat hair differently.
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October 2002 in “Journal of Investigative Dermatology” The upper half of a human hair follicle can grow a new hair in a mouse, but success is rare.
A white-tailed deer fawn in South Dakota was the first cervid found with congenital hypotrichosis, a condition causing sparse or missing hair.
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August 1977 in “Journal of Morphology” The big-clawed shrew's sinus hair follicles are highly specialized for sensing vibrations.
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December 2024 in “Scientific Data” Researchers identified key molecular changes in goat hair follicles that could improve cashmere production.
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February 2008 in “Nature genetics” Mutations in the P2RY5 gene cause autosomal recessive woolly hair.
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January 2017 in “Experimental Dermatology” Igf1r helps regulate hair growth cycles.
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May 1972 in “Canadian journal of zoology” Black-tailed deer have four types of pelages and molt twice a year.
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January 2009 in “Experimental Dermatology” Hair sheds gradually from the follicle, with readiness to shed indicated by less attachment material.
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May 2019 in “Frontiers in genetics” Non-coding RNAs play key roles in the hair growth cycle of Angora rabbits.
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June 2023 in “Proceedings of the National Academy of Sciences” Tightly curled scalp hair helps reduce heat from the sun, protecting against overheating.
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September 2022 in “Frontiers in genetics” Different proteins are linked to the varying thickness of sheep and goat hair types.
March 2026 in “International Journal of Advanced Biochemistry Research” German shepherd hair varies in color and pattern but is flat with a consistent internal structure.
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October 1996 in “Dermatologic clinics” Adiponectin reduces inflammation and bone loss in joint replacements.
January 2019 in “Journal of Entomology and Zoology Studies” Ruminant goats have larger and more defined hair follicles than younger goats.
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November 1959 in “Annals of the New York Academy of Sciences” Hair and wool have complex microscopic structures with microfibrils and varying cystine content.
February 2024 in “BMC genomics” The TRPV3 gene variant may cause the long-haired suri alpaca coat.
The chapter explains causes of hair loss and excessive hair growth in animals.
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January 1992 in “Acta Histochemica” Porcine and human pilosebaceous units are very similar.