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Ecotoxicological information

Toxicity to birds

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Description of key information

The acute toxicity was tested on Bobwhite Quail. The LD50 was above 5000 mg/kg b.w. The LC50 (5d dietary administration) was above 5000 mg/kg food. 

Key value for chemical safety assessment

Short-term EC50 or LC50 for birds:
5 000 mg/kg food

Additional information

The toxicity to birds was evaluated in two studies.

1. The acute toxicity of FeNaEDTA was studied on Bobwhite quail according to the Guideline OPPTS 850.2100 and SETAC Europe (Leuschner 2008). The test item was administered at a single dose (1000, 2000, 3000 and 5000 mg/kg b.w.) to 5 males and 5 females in each tested dose and control. Animals were observed individually for effects on regurgitation, signs of intoxication and remission, abnormal behaviour, mortality, time of death, body weight and food consumption during 14 days. All surviving birds after the 14 days were sacrified, dissected and inspected macroscopically. The LD50was determined to be > 5000 mg/kg b.w.

2. The acute toxicity after oral administration via the diet of five consecutive days to birds was studied in Bobwhite quail. Birds were fed a diet containing FeNaEDTA at a concentration of 5000 ppm. Beginning of on day 6, the birds were fed the basal diet, free of the test item, for 8 additional days. At the end of the study all surviving birds were sacrificed, dissected and inspected macroscopically. Two controls were used. 10 birds were use per dose and per control (total 30 birds). After dosing all animals were observed for signs of intoxication and other abnormal behaviour, mortality, body weight and food consumption. At the end of the experiment all animals were sacrificed, dissected and inspected macroscopically.

No toxic signs were noted after oral administration of FeNaEDTA via the diet at a concentration of 5000 ppm FeNaEDTA (limit test). No test item-related inhibition of body weight gain was observed. No test item-related changes were noted at necropsy.

The LC50was > 5000 ppm, and this corresponds to a LD50> 886.1 mg FeNaEDTA/kg b.w./d (active compound).

Based on the availability of these two short-term studies, on the fact that the mammalian dataset does not indicate acute or chronic toxicity of the test substance and for reasons of animal welfare, testing for long-term reproductive toxicity to birds is waived.