Experimental hexachlorophene intoxication in young swine.

Area of Science:

• Veterinary toxicology
• Comparative pathology
• Neurotoxicology

Background:

• Hexachlorophene (HCP) is a chemical agent with known toxic properties.
• Understanding HCP toxicity in animal models is crucial for human health risk assessment.

Purpose of the Study:

• To evaluate swine as a model for hexachlorophene (HCP) intoxication, mimicking human poisoning.
• To investigate the effects of topical and oral HCP administration on swine physiology and central nervous system function.

Main Methods:

• Swine were administered daily doses of hexachlorophene (HCP) via topical or oral routes.
• Comprehensive assessments included central nervous system evaluation, hematology, serum chemistry, necropsy, and tissue residue analysis.

Main Results:

• Oral HCP administration reliably induced intoxication in swine.
• Topical HCP application did not consistently produce a toxic syndrome.
• Observed signs and lesions, including incoordination and paresis, were linked to central nervous system dysfunction (status spongiosus).
• Higher HCP dosages correlated with increased signs, lesions, mortality, and tissue residue levels.

Conclusions:

• Swine, particularly via oral exposure, serve as a viable model for studying hexachlorophene (HCP) intoxication.
• HCP toxicity primarily affects the central nervous system, with dose-dependent severity.
• Dosage is a critical factor influencing the manifestation and outcome of HCP poisoning.