Showing 1 - 10 of 118
Persistent link: https://www.econbiz.de/10000035468
Persistent link: https://www.econbiz.de/10000773690
Persistent link: https://www.econbiz.de/10001517324
Persistent link: https://www.econbiz.de/10004306341
Persistent link: https://www.econbiz.de/10004050204
Persistent link: https://www.econbiz.de/10004599726
The fish are exposed to the test substance preferably for a period of 96 hours. Mortalities are recorded at 24, 48, 72 and 96 hours and the concentrations which kill 50 per cent of the fish (LC50) are determined where possible. One or more species may be used, the choice being at the discretion...
Persistent link: https://www.econbiz.de/10012444053
The test method described in this Test Guideline, is intended to define the lethal and sub-lethal effects of chemicals on the early life stages of the species tested. The early-life stages of fish are exposed to ,at least, five concentrations of the test substance dissolved in water, preferably...
Persistent link: https://www.econbiz.de/10012445185
This Test Guideline is designed to assess the effects of prolonged exposure to chemicals on the growth of juvenile fish. Juvenile fish in exponential growth phase are placed, after being weighed, in test chambers and are normally exposed to five sublethal concentrations of the test substance...
Persistent link: https://www.econbiz.de/10012441680
This Test Guideline describes an assay that assesses early life-stage effects and potential adverse consequences of putative endocrine disrupting chemicals (e.g. oestrogens, androgens and steroidogenesis inhibitors) on fish sexual development. In the test, fish are exposed, from newly fertilized...
Persistent link: https://www.econbiz.de/10012442297