Registration Dossier
Registration Dossier
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EC number: 200-315-5 | CAS number: 57-13-6
Biotransformation and kinetics
Administrative data
- Endpoint:
- biotransformation and kinetics
- Type of information:
- experimental study
- Adequacy of study:
- weight of evidence
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- abstract
Data source
Reference
- Reference Type:
- publication
- Title:
- Respiratory gas exchange, nitrogenous waste excretion, and fuel usage during starvation in juvenile rainbow trout, Oncorhynchus mykiss
- Author:
- Lauff RF and CM Wood
- Year:
- 1 996
- Bibliographic source:
- Journal of Comparative Physiology B volume 165, pages542–551(1996)
Materials and methods
- Principles of method if other than guideline:
- Oxygen consumption, CO2 excretion, and nitrogenous waste excretion (75% ammonia-N and 25% urea-N) were measured daily in 4-g rainbow trout over a 15-day starvation period.
- GLP compliance:
- no
- Type of medium:
- animal
Test material
- Reference substance name:
- Urea
- EC Number:
- 200-315-5
- EC Name:
- Urea
- Cas Number:
- 57-13-6
- Molecular formula:
- CH4N2O
- IUPAC Name:
- urea
- Details on test material:
- It is assumed that the purity is 100%
Constituent 1
Results and discussion
Any other information on results incl. tables
Nitrogenous waste excretion (75% ammonia-N and 25% urea-N) were measured daily in 4-g rainbow trout over a 15-day starvation period.
Applicant's summary and conclusion
- Conclusions:
- Nitrogen excretion accounts for about 25% in form of urea in juvenile (4 g) rainbow trout .
- Executive summary:
Nitrogenous waste excretion (75% ammonia-N and 25% urea-N) were measured daily in 4-g rainbow trout over a 15-day starvation period.
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