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Related Experiment Videos

Accidental fenitrothion intoxication in young broilers.

L van Veen1, H Kolk, G H Counotte

  • 1Animal Health Service, Poultry Section, Deventer, The Netherlands.

Veterinary and Human Toxicology
|August 6, 1999
PubMed
Summary

Fenitrothion intoxication caused significant mortality in young broiler chicks, a previously unreported occurrence. Affected birds exhibited respiratory distress and paralysis before death, linked to high environmental concentrations.

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Area of Science:

  • Veterinary Toxicology
  • Avian Pathology
  • Environmental Health

Background:

  • Fenitrothion is an organophosphate insecticide used globally.
  • Organophosphate toxicity in poultry is a known concern, but specific data on broiler chicks is limited.
  • Unreported cases of intoxication can lead to significant economic losses in the poultry industry.

Purpose of the Study:

  • To document and characterize the first reported case of fenitrothion intoxication in young broiler chicks.
  • To identify clinical signs, mortality rates, and potential exposure levels associated with fenitrothion in this species.
  • To contribute to the understanding of organophosphate risks in commercial poultry farming.

Main Methods:

  • Observational case study of a broiler flock experiencing unexplained mortality.
  • Clinical examination of affected birds, including post-mortem findings.
  • Quantification of fenitrothion concentration in the environmental litter.

Main Results:

  • A mortality rate of 16.4% was observed within the first week.
  • Clinical signs included dyspnea and paralysis preceding death.
  • A high concentration of 120 mg fenitrothion/kg of litter (dry weight) was detected.

Conclusions:

  • Fenitrothion intoxication is a potential cause of mortality in young broiler chicks.
  • The findings highlight the need for careful management and monitoring of insecticide use in poultry housing.
  • This case underscores the importance of considering environmental contaminants in unexplained poultry disease outbreaks.

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