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    Glossary Photoperiod

    length of daily light exposure affecting biological processes

    Photoperiod refers to the length of time each day that an organism is exposed to daylight. This period of light exposure can significantly influence biological processes such as flowering in plants, breeding cycles in animals, and even hair growth patterns in humans. Understanding photoperiod is crucial for professionals in fields like agriculture, biology, and medicine, as it helps in optimizing growth conditions and managing seasonal behaviors.

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    Research 30 of 291

    1. Effect of constant-release melatonin implants and prolonged exposure to a long day photoperiod on prolactin secretion and hair growth in mouflon (Ovis gmelini musimon) Domestic animal endocrinology · 2004 · 51 citations
    2. A Microarray-Based Analysis Reveals that a Short Photoperiod Promotes Hair Growth in the Arbas Cashmere Goat PLoS ONE · 2016 · 40 citations
    3. Skin transcriptome reveals the intrinsic molecular mechanisms underlying hair follicle cycling in Cashmere goats under natural and shortened photoperiod conditions Scientific reports · 2017 · 24 citations
    4. Effects of photoperiod on nutrient digestibility, hair follicle activity and cashmere quality in Inner Mongolia white cashmere goats Asian-Australasian journal of animal sciences · 2018 · 11 citations
    5. Transcriptomes reveal microRNAs and mRNAs in different photoperiods influencing cashmere growth in goat PloS one · 2023 · 1 citations
    6. Identification of lncRNAs involved in the hair follicle cycle transition of cashmere goats in response to photoperiod change BMC Genomics · 2025 · 1 citations
    7. Effects of photoperiod change on serum hormone level, hair follicle growth and antioxidant status in skin tissue of cashmere goats Frontiers in Veterinary Science · 2025
    8. Estrus, ovulation, and serum progesterone, estradiol, and LH concentrations in mares after an increased photoperiod during winter. PubMed · 1977 · 83 citations
    9. Estrus, Ovulation, and Serum Progesterone, Estradiol, and LH Concentrations in Mares After an Increased Photoperiod During Winter American Journal of Veterinary Research · 1977 · 25 citations
    10. The effects of extended photoperiod and warmth on hair growth in ponies and horses at different times of year PloS one · 2020 · 14 citations
    11. Influence of Extended Photoperiod Using Blue Light Masks on Hypertrichosis, Coat Condition and General Health Parameters in Horses with Pituitary Pars Intermedia Dysfunction Animals · 2025
    12. Effects of short photoperiod on cashmere growth, hormone concentrations and hair follicle development-related gene expression in cashmere goats Journal of applied animal research · 2023
    13. The Microanatomy, Cell Replication, and Keratin Gene Expression of Hair Follicles during a Photoperiod-lnduced Growth Cycle in Sheep Cells tissues organs · 1995 · 20 citations
    14. Function and underlying mechanisms of seasonal colour moulting in mammals and birds: what keeps them changing in a warming world? 2018 · 113 citations
    15. Hair cycle in dogs with different hair types in a tropical region of Brazil Veterinary dermatology · 2007 · 9 citations
    16. Biology of the wool follicle: an excursion into a unique tissue interaction system waiting to be re‐discovered Experimental Dermatology · 2006 · 117 citations
    17. Effects of maintaining solstice light and temperature on reproductive activity, coat growth, plasma prolactin and melatonin in goats Reproduction · 1999 · 47 citations
    18. Seasonality of Hair Shedding in Healthy Women Complaining of Hair Loss Dermatology · 2009 · 37 citations
    19. Thyroid and gonadal regulation of hair growth during the seasonal molt in the male European badger, Meles meles L General and comparative endocrinology · 1987 · 29 citations
    20. Seasonal fiber growth cycles of ferrets (<i>Mustela putorius furo</i>) and long‐term effects of melatonin treatment 1995 · 26 citations
    21. The role of the adrenal glands in regulating onset of winter fur growth in mink (<i>Mustela vison</i>) 1992 · 16 citations
    22. Molecular Basis of Maintaining Circannual Rhythm in the Skin of Cashmere Goat bioRxiv (Cold Spring Harbor Laboratory) · 2020 · 1 citations
    23. Comparison of the response of secondary hair follicles of cashmere and angora goats to prolactin and melatonin <i>in vitro</i> Proceedings of the British Society of Animal Production · 1994 · 1 citations
    24. The Endocrine control of fibre growth and shedding in cashmere goats Proceedings of the British Society of Animal Production · 1989 · 1 citations
    25. Comment on Seasonal Hair Shedding International Journal of Trichology · 2025
    26. Skin 2022
    27. Molecular Basis of Maintaining Circannual Rhythm in the Skin of Cashmere Goat&nbsp; Research Square (Research Square) · 2020
    28. Idiopathic seasonal alopecia in horse: case report Arquivo Brasileiro De Medicina Veterinaria E Zootecnia · 2020
    29. <i>In vitro</i>Fibre production and protein deposition in secondary hair follicles of the cashmere and angora goat Proceedings of the British Society of Animal Production · 1994
    30. Concurrent follicular dysplasia and interface dermatitis in Boxer dogs Veterinary dermatology · 2003 · 9 citations