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Ecotoxicological information

Toxicity to birds

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Administrative data

Endpoint:
toxicity to birds
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: FDA Report; source not available

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1978

Materials and methods

Principles of method if other than guideline:
Determination of lowest lethal dose
GLP compliance:
no

Test material

Constituent 1
Reference substance name:
Urea
EC Number:
200-315-5
EC Name:
Urea
Cas Number:
57-13-6
IUPAC Name:
urea
Details on test material:
No information available
Specific details on test material used for the study:
Details on properties of test surrogate or analogue material (migrated information):
No information available
Dose method:
not specified
Analytical monitoring:
not specified
Vehicle:
not specified
Details on preparation and analysis of diet:
No information available

Test organisms

Test organisms (species):
other: Columbidae
Details on test organisms:
Pigeon, type not specified

Study design

Remarks:
not known
Post exposure observation period:
No information available
No. of animals per sex per dose and/or stage:
No information available
Control animals:
not specified
Nominal and measured doses / concentrations:
No information available
Details on test conditions:
No information available

Examinations

Details on examinations and observations:
No information available
Details on reproductive parameters:
No information availability
Reference substance (positive control):
not specified

Results and discussion

Effect levels
Dose descriptor:
other: LDLo
Effect level:
16 000 mg/kg bw
Basis for effect:
not specified
Repellency factors (if applicable):
No information available
Mortality and sub-lethal effects:
No information available
Effects on reproduction:
No information available
Results with reference substance (positive control):
No information available
Further details on results:
No information available
Reported statistics and error estimates:
No information available

Any other information on results incl. tables

The LDLo of urea in pigeons = 16000 mg/kg.

Applicant's summary and conclusion

Validity criteria fulfilled:
not specified
Conclusions:
The LDLo of urea in pigeons = 16000mg/kg; urea is not acutely toxic to pigeons.
Executive summary:

The LDLo of urea in pigeons = 16000 mg/kg; urea is not acutely toxic to pigeons.