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Table 4 Acute and dietary toxicity values for CPYO in birds

From: Evaluation of evidence that the organophosphorus insecticide chlorpyrifos is a potential persistent organic pollutant (POP) or persistent, bioaccumulative, and toxic (PBT)

Species

Observation or feeding time (days)

Toxicity value (mg/kg)

95% CI

Reference

Bobwhite quail

7 observations

LD50 = 8.8 bm

7.2 to 10.7

[105]

Zebra finch

7 observations

LD50 ≥ 30 bm

NA

[106]

Mallard duck

5 exposure, 8 observations

LC50 = 523 mg/kg diet

363 to 796

[107]

Bobwhite quail

5 exposure, 8 observations

LC50 = 225 mg/kg diet

173 to 292

[108]

  1. NA, not applicable.