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Triaryl phosphate poisoning in cattle

B E Beck, C D Wood, G R Whenham

    Veterinary Pathology
    |March 1, 1977
    PubMed
    Summary
    This summary is machine-generated.

    Triaryl phosphate poisoning in cattle caused motor paralysis and respiratory distress. Exposure led to reduced cholinesterase activity and spinal cord axonal degeneration.

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    Area of Science:

    • Veterinary Toxicology
    • Environmental Health

    Background:

    • Triaryl phosphates (TPs) are industrial chemicals.
    • Accidental environmental release of TPs can lead to animal poisoning.
    • Understanding TP toxicity is crucial for animal health and environmental safety.

    Purpose of the Study:

    • To document clinical, pathological, and biochemical changes in cattle due to triaryl phosphate (TP) poisoning.
    • To investigate the effects of both natural and experimental TP exposure.

    Main Methods:

    • Observed clinical signs and pathological changes in naturally poisoned cattle.
    • Administered experimental doses of TPs (1/2-1 gm/kg) to cattle.
    • Assessed biochemical changes, specifically cholinesterase levels.
    • Examined spinal cord tissue for axonal degeneration.

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    Main Results:

    • Natural poisoning resulted from TP release from a gas pipeline compressor station.
    • Clinical signs included posterior motor paralysis, dyspnea, diarrhea, and agalactia.
    • Experimental TP administration caused significant cholinesterase depression and axonal degeneration in the spinal cord.

    Conclusions:

    • Triaryl phosphates cause significant neurological and biochemical damage in cattle.
    • TP poisoning manifests as severe motor and respiratory impairment.
    • Cholinesterase inhibition and axonal damage are key pathological findings in TP toxicity.