Article

Influence of Extended Photoperiod Using Blue Light Masks on Hypertrichosis, Coat Condition and General Health Parameters in Horses with Pituitary Pars Intermedia Dysfunction

2025-08-06

Abstract excerpt

Fifty-two horses aged >15 years, diagnosed with pituitary pars intermedia dysfunction (PPID), and displaying hypertrichosis were recruited via an online survey of PPID horse owners. From mid-December, group T wore Equilume® light masks extending photoperiod to 15 hours daily (n=29), while group C1 (n=23) and a second unmedicated PPID research herd (C2; n=17) remained under natural photoperiod. Hair lengths, she...

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Literature Corpus work: 8a6c8b91-5984-533e-9675-35f2dfa95e3f
DOI: 10.20944/preprints202508.0373.v1

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