Mineral

Selenium

Sodium selenite · Se

Mechanism

Selen ist Bestandteil selenabhängiger Enzyme (u. a. Glutathionperoxidase) und wirkt im antioxidativen System synergistisch mit Vitamin E. Viele mitteleuropäische Böden sind selenarm. Selen hat eine enge therapeutische Breite — Über- und Unterversorgung sind beide klinisch relevant.

Cautions

· Narrow therapeutic margin — selenosis on overdose
· Supplement long-term only with blood-level monitoring

Sources

PMID:21039915Selenium in equine nutrition

GfE 2014GfE — Selen-Versorgung Pferd

PMID:32686861Pitel et al. 2020 (JVIM) — Management, Blut-Selen/Vitamin-E-Status, Mangelrisiko Pferd

Equiterna Score

73/100

solid

Science7.7/10

Practical experience9/10

Safety5/10

Overall score scale

high overall75–100solid55–74limited0–54

How the Equiterna Score is built

The Equiterna Score combines three dimensions into a value of 0-100: science (40%), practical experience (30%) and safety (30%). It is transparently derived from evidence level, attributed sources (PubMed/journals), legal classification and cautions. The FEI doping status is shown separately as a competition-law note and does not enter the score. Commissions and vendor relationships have no influence on the score. In addition, the editorial safety rating caps the result: it limits the safety dimension and the overall tier (orange: at most solid). For entries rated red, no score is calculated at all. The rating never raises anything — a green rating does not lift a calculated value.

An editorial assessment of the evidence and safety situation — not a healing claim and not an individual recommendation. It does not replace veterinary advice.

Dosageapprox. 0.1–0.2 mg/kg dry matter of the ration (GfE)

AMG statusComplementary feed

FEI statusNot listed

SafetyIncreased caution

Evidencemoderate

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