RF Safe

Magnetic disc enhances resilience and over-winter survival of honeybees (Apis mellifera)

Electromagn Biol Med · 2026 · Benefit · Low evidence

← Research stream
BenefitLow evidencePaper 6862

In this field study of approximately 60 hives across two commercial apiaries, hives with static neodymium magnetic discs placed beneath them had higher overwinter survival, stronger spring populations, better hygiene, and fewer queen replacements than control…

Study snapshot

PublicationElectromagn Biol Med · 2026
Study typeother
Reported directionBenefit
Evidence ratingLow

Abstract

Honeybee losses continue to threaten ecological and agricultural stability worldwide. This field study evaluated whether a static neodymium magnetic disc placed beneath beehives could enhance colony resilience and overwinter survival. Two commercial apiaries (≈60 hives total) under identical management in Ontario, Canada, were monitored in late summer 2023, spring 2024 and after a mid‑season partial crossover in August 2024. One yard received magnetic discs, while the second served as control. Treated hives (i.e. with magnets) compared with the control hives exhibited significantly higher overwinter survival, stronger spring populations, better hygiene and fewer queen replacements than controls (p < 0.001). After discs were added to the control yard, colony performance improved within 8 weeks, reaching parity with the initially treated hives. Static magnetic arrays positioned beneath hives appear to enhance colony health and stability, possibly through modulation of bioelectromagnetic or redox processes known to influence cellular energy metabolism. Although magnetic modulation of bioenergetic and redox processes is hypothesized, direct electrical or biochemical measurements were not performed and should be prioritized in future studies. This approach provides a simple, low-cost intervention to improve apicultural outcomes and pollinator resilience. Future studies could investigate the effectiveness of these magnets in areas with known environmental stressors.

Machine Enhanced Logic

AI evidence extraction

Structured fields below were generated from the paper’s abstract and metadata to make the evidence easier to inspect. Automated extraction may be incomplete or incorrect; verify important details against the original paper.

Study typeother
Effect directionbenefit
PopulationHoneybee colonies (Apis mellifera) in two commercial apiaries in Ontario, Canada
Sample size60
Exposurelate summer 2023 to August 2024, with overwinter follow-up and an 8-week post-crossover assessment
Evidence strengthLowConfidence: 89% · Peer reviewed: yes

Main findings

In this field study of approximately 60 hives across two commercial apiaries, hives with static neodymium magnetic discs placed beneath them had higher overwinter survival, stronger spring populations, better hygiene, and fewer queen replacements than control hives (p < 0.001). After discs were added to the control yard during a partial crossover, colony performance improved within 8 weeks to match the initially treated hives.

Outcomes measured

  • overwinter survival
  • spring colony population strength
  • hygiene
  • queen replacement
  • colony performance after crossover

Limitations

  • Field study in only two apiaries
  • Approximate sample size only reported
  • Partial crossover design
  • Direct electrical or biochemical measurements were not performed
  • Mechanism was hypothesized rather than directly tested
View raw extracted JSON
{
  "study_type": "other",
  "exposure": {
    "band": null,
    "source": "other",
    "frequency_mhz": null,
    "sar_wkg": null,
    "duration": "late summer 2023 to August 2024, with overwinter follow-up and an 8-week post-crossover assessment"
  },
  "population": "Honeybee colonies (Apis mellifera) in two commercial apiaries in Ontario, Canada",
  "sample_size": 60,
  "outcomes": [
    "overwinter survival",
    "spring colony population strength",
    "hygiene",
    "queen replacement",
    "colony performance after crossover"
  ],
  "main_findings": "In this field study of approximately 60 hives across two commercial apiaries, hives with static neodymium magnetic discs placed beneath them had higher overwinter survival, stronger spring populations, better hygiene, and fewer queen replacements than control hives (p < 0.001). After discs were added to the control yard during a partial crossover, colony performance improved within 8 weeks to match the initially treated hives.",
  "effect_direction": "benefit",
  "limitations": [
    "Field study in only two apiaries",
    "Approximate sample size only reported",
    "Partial crossover design",
    "Direct electrical or biochemical measurements were not performed",
    "Mechanism was hypothesized rather than directly tested"
  ],
  "evidence_strength": "low",
  "confidence": 0.89,
  "peer_reviewed_likely": "yes",
  "keywords": [
    "honeybees",
    "Apis mellifera",
    "static magnetic field",
    "neodymium magnetic disc",
    "beehives",
    "overwinter survival",
    "colony resilience",
    "apiary",
    "field study"
  ],
  "suggested_hubs": []
}
AI can be wrong. Always verify against the paper.

AI-extracted fields are generated from the abstract and metadata and may be incomplete or incorrect. This material is for informational purposes and is not medical advice.

Identifiers and source

DOI: 10.1080/15368378.2026.2644215
PubMed: 41988747

Read the original paper →

Related papers

← Back to the Research Library