5 citations
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January 2022 in “Scientific reports” The research identified two types of keratinocytes in chicken scales: one for hard scales and another for soft skin, with similarities to human skin differentiation.
8 citations
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August 1971 in “Canadian Journal of Zoology” Chinchillas have specific blood and protein levels, with variations possibly linked to pregnancy or hair growth.
4 citations
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February 2025 in “BMC Genomics” Black wool in Qira sheep is linked to specific gene mutations, especially in the TYRP1 gene.
8 citations
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January 2012 in “General and Comparative Endocrinology” 5α-Reductase helps regulate hormone action in toad testes, especially during breeding season.
92 citations
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March 2016 in “Developmental Cell” Zebrafish skin regeneration relies on cell behaviors and reactive oxygen species, with antioxidants reducing and hydrogen peroxide increasing regeneration.
October 2023 in “Asian journal of pharmaceutical and clinical research” Standardized data is essential for diagnosing scalp and hair conditions in males.
31 citations
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April 2018 in “Royal Society open science” Sarcoptes scabiei infection causes significant health and behavior changes in wombats.
February 2025 in “Buletin Veteriner Udayana” A dog named Boby recovered from a skin infection and anemia after treatment, highlighting the need for pet cleanliness.
2 citations
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March 2018 in “The Journal of Dermatology” The "color-transition sign" helps tell apart alopecia areata incognita from telogen effluvium by looking at hair color changes.
10 citations
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August 2023 in “Animals” SLC45A2 and GPNMB genes help control chicken feather color by promoting melanin.
1 citations
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November 2025 in “Science Advances” Two gene variants cause white spots in cattle.
8 citations
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August 2022 in “BMC Veterinary Research” C57BL/6 mice and SD rats have different sweat gland and hair follicle patterns, useful for skin research.
18 citations
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May 2023 in “Science Advances” Activating the sonic hedgehog pathway in chicken embryos can permanently change scales to feathers.
January 2005 in “Chinese Journal of Veterinary” Hairless mice lose hair by 3-4 weeks, develop thicker, folded skin, and show pigmentation differences.
March 2013 in “Pigment Cell & Melanoma Research” A gene called Taqpep affects cat coat patterns like stripes and blotches.
51 citations
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May 1996 in “American journal of physiology. Regulatory, integrative and comparative physiology/American journal of physiology. Regulatory, integrative, and comparative physiology” Gray seals use more energy and have higher hormone levels during their annual fur-shedding period.
11 citations
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May 1998 in “Acta agriculturæ Scandinavica. Section A, Animal science” Blue foxes born later in the season have a slightly delayed fur growth cycle, but it catches up by mid-November.
Finasteride significantly reduced sperm production and caused testicular atrophy in hamsters.
9 citations
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July 1961 in “Journal of Investigative Dermatology” Cutaneous calcinosis can be induced in young animals using certain compounds, but only in specific areas and with high mortality.
MITF and WNT3A are key in Dun Mongolian horse pigmentation.
Dark hair with a red beard likely evolved for camouflage, not attraction.
7 citations
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July 2013 in “Acta Biochimica Polonica” Chemotherapy reduces splenic melanin in mice.
March 2026 in “Sexual Development” Tortoiseshell tomcats with XX/XY chimerism can be fertile.
January 2026 in “Animal Advances” Genes linked to coat color and fiber length in Chinese goats were identified.
60 citations
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October 2010 in “Molecular Imaging and Biology” Increased skin pigmentation in mice reduces bioluminescent signal accuracy.
23 citations
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January 2023 in “Journal of Developmental Biology” Reptile skin protects and prevents water loss, helping them adapt to land.
June 2024 in “Indian Journal of Veterinary Medicine” The young goat had anaplasmosis and copper deficiency.
2 citations
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September 2002 in “Pediatric Dermatology” Newborns with hair loss and red, scaly skin need thorough skin checks to find the cause and treatment.
22 citations
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January 1985 in “Journal of Human Evolution/Journal of human evolution” Human skin and hair color variation is mainly due to melanin produced by a few genes, with melanin protecting against sun damage.
26 citations
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August 1971 in “Journal of Morphology” Lizards can regrow their tail scales with the same structure, distribution, and gender-specific features as the original ones, and this unique ability is not seen in adult mammals.