103 citations
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March 2011 in “PLoS Biology” Birds can lose neck feathers due to a genetic change that increases a gene's activity, helping them adapt to heat.
2 citations
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December 2020 in “Frontiers in genetics” Researchers found genes linked to feather growth speed in Shouguang chickens, highlighting two genes that might explain differences in feathering.
9 citations
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October 1989 in “Australian Journal of Agricultural Research” Mouse epidermal growth factor temporarily stops wool growth and causes cell changes in Merino sheep.
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.
December 2022 in “Biochemical and Biophysical Research Communications” HtrA2 activity is crucial for normal hair growth by regulating fat cell development.
8 citations
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May 1941 in “Science” Mouse embryos can develop in chick embryos, but they grow smaller with some organ issues.
August 2025 in “Current Issues in Molecular Biology” Key pathways like WNT, EGF, FGF, SHH, and BMP regulate poultry feather growth, with BMP inhibiting it.
161 citations
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June 1994 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair stops producing melanin as it transitions from the growth phase to the resting phase.
Rex rabbits should not be slaughtered before 120 days for the best fur quality.
January 2022 in “SSRN Electronic Journal” Mouse hair follicles age, causing more white hairs due to fewer pigment stem cells.
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April 2019 in “Bioscience, biotechnology, and biochemistry” Ten miRNAs may play key roles in starting secondary hair follicle development in sheep foetuses.
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August 2022 in “Animals” miR-144-y and FOXO3 play key roles in skin and feather development in Zhedong White geese.
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May 2021 in “Small ruminant research” The study found specific proteins that could mark different growth stages of cashmere goat hair and may help improve cashmere production.
May 2026 in “Journal of Investigative Dermatology”
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December 2009 in “Canadian Journal of Animal Science” The BMP2 gene is more active in the early growth phase of Cashmere goat hair and may affect hair regeneration and textile production.
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May 2022 in “Animals” Female goslings have darker feathers than males due to more melanin.
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May 2018 in “Journal of Molecular Endocrinology” The spiny mouse is a unique menstruating rodent that can help us understand menstruation and reproductive disorders.
September 2020 in “Research Square (Research Square)” Goat skin adapts to seasonal changes through genes that respond to daylight length, affecting hormone levels and potentially making skin cells light-sensitive.
November 2025 in “BMC Genomics” Melatonin helps control hair growth in cashmere goats, which could improve cashmere production.
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August 2023 in “Genes” The document concludes that various signaling pathways and genetic factors are crucial for chicken feather development, affecting poultry quality.
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June 2011 in “PLoS ONE” Mammoth hair grew faster than human hair and showed seasonal changes in growth and mineral content.
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May 1990 in “The EMBO Journal” Mice with extra sheep genes had hair that fell out and regrew in cycles.
Melatonin shortens the hair growth cycle by increasing PDGFA gene expression.
1 citations
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April 2018 in “Journal of dairy science” Dairy cows' skin and hair follicles change size and growth phase around the time they give birth.
October 2023 in “Cell & bioscience” A special gene region controls the re-emergence of a primitive wool type in Merino sheep, improving their wool yield and adaptability.
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August 2013 in “PloS one” Genetic differences between young and old Tan sheep explain why their fleece changes from curly to straight as they age.
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April 2014 in “Anatomy Research International” Buffalo mammary glands develop in stages from 34 to 229 days during prenatal growth.
February 2024 in “Animals” Hair loss peaks in spring and regrowth in late summer, with pregnant females losing the most hair.
January 2022 in “Figshare” Melatonin affects specific gene patterns and biological processes in goat hair growth.
300 citations
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August 2012 in “Seminars in Cell & Developmental Biology” The conclusion is that certain cell interactions and signals are crucial for hair growth and regeneration.