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August 2007 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Sheep wool follicles absorb different amino acids at various rates and locations, which could affect wool growth based on diet and genetics.
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November 2018 in “Journal of structural biology” Different populations have distinct hair structures related to their ancestry.
23 citations,
March 1989 in “The Veterinary clinics of North America. Food animal practice” Llamas often have skin issues like mange, bacterial infections, and allergies, with some treatable by zinc.
7 citations,
December 2011 in “Annals of anatomy” Involucrin helps strengthen the inner parts of human hair.
191 citations,
November 1959 in “Annals of the New York Academy of Sciences” Hair and wool have complex microscopic structures with microfibrils and varying cystine content.