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Influence of age and body mass on the heating effect of microwave radiation in broilers.

British poultry science · 1992 · Harm · Low evidence

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HarmLow evidencePaper 6293

In 648 broilers exposed to microwave treatments, the increase in body temperature after exposure decreased curvilinearly as age or body mass increased. There was a significant age-by-body mass interaction: for the same body mass, younger birds showed a greate…

Study snapshot

PublicationBritish poultry science · 1992
Study typeanimal
Reported directionHarm
Evidence ratingLow

Abstract

1. A total of 648 broilers was used in a factorial combination of 3 ages x 3 body masses x 4 microwave treatments to examine the possible interaction between bird age and body mass on the heating effect of microwaves. 2. As age or body mass increased, the increase in body temperature following exposure to microwaves decreased curvilinearly. 3. A significant interaction was evident between age and body mass. For the same body mass, microwave radiation exerted a greater heating influence at the younger age. 4. A model for the heating effect of microwaves is presented which takes into account the influence of both bird age and irradiated body mass.

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 typeanimal
Effect directionharm
PopulationBroiler chickens
Sample size648
Exposuremicrowave
Evidence strengthLowConfidence: 74% · Peer reviewed: yes

Main findings

In 648 broilers exposed to microwave treatments, the increase in body temperature after exposure decreased curvilinearly as age or body mass increased. There was a significant age-by-body mass interaction: for the same body mass, younger birds showed a greater heating influence from microwave radiation.

Outcomes measured

  • Body temperature increase (heating effect) following microwave exposure

Limitations

  • Microwave exposure parameters (e.g., frequency, power/SAR, duration) not reported in the abstract
  • Outcome limited to acute heating/body temperature change
View raw extracted JSON
{
  "study_type": "animal",
  "exposure": {
    "band": "microwave",
    "source": null,
    "frequency_mhz": null,
    "sar_wkg": null,
    "duration": null
  },
  "population": "Broiler chickens",
  "sample_size": 648,
  "outcomes": [
    "Body temperature increase (heating effect) following microwave exposure"
  ],
  "main_findings": "In 648 broilers exposed to microwave treatments, the increase in body temperature after exposure decreased curvilinearly as age or body mass increased. There was a significant age-by-body mass interaction: for the same body mass, younger birds showed a greater heating influence from microwave radiation.",
  "effect_direction": "harm",
  "limitations": [
    "Microwave exposure parameters (e.g., frequency, power/SAR, duration) not reported in the abstract",
    "Outcome limited to acute heating/body temperature change"
  ],
  "evidence_strength": "low",
  "confidence": 0.74,
  "peer_reviewed_likely": "yes",
  "keywords": [
    "microwave radiation",
    "broilers",
    "age",
    "body mass",
    "heating effect",
    "body temperature",
    "interaction",
    "model"
  ],
  "suggested_hubs": []
}
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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: 10.1080/00071669208417513
PubMed: 1393667

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