Research Note: Evaluation of acute oral toxicity of povidone-iodine in cockerels using the up-and-down procedure
2021
Sani, D. | Abdu, P.A. | Mamman, M. | Jolayemi, K.O. | Yusuf, P.O. | Andamin, A.D.
Povidone-iodine (Polidine) is a synthetic broad-spectrum antiseptic and being applied topically to treat wounds and prevent their infection. It is however used by poultry farmers, field veterinarians, and other animal health workers with the claim that it is effective for treatment of infectious bursal disease when administered orally. Hence, an acute oral toxicity study was conducted to ascertain its safety profile. Ten cockerel chicks were randomly selected and divided into 2 groups of 5 chicks per group. One group served as the negative control, whereas the other group was administered povidone-iodine at a dose of 2,000 mg/kg of BW orally. The blood sample was collected at the end of the study to determine changes in hematological and biochemical parameters. In addition, vital organs were also harvested and preserved for histopathological examinations. The result showed that the median lethal dose (LD₅₀) of the povidone-iodine is higher than 2,000 mg/kg of BW in cockerels. There were no significant changes in the hematological parameters measured. Biochemical evaluation (renal and liver function test) showed an increase in aspartate aminotransferase, alanine aminotransferase, and alkaline phosphatase levels after administration of povidone-iodine. The study indicated that the LD₅₀ of povidone-iodine is higher than 2,000 mg/kg of BW of cockerels, and there were increases in urinary and liver enzymes at this dose.
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