Download or read book OECD Guidelines for the Testing of Chemicals Section 2 Test No 234 Fish Sexual Development Test written by OECD and published by OECD Publishing. This book was released on 2011-07-28 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 ...

Download or read book OECD Guidelines for the Testing of Chemicals Section 2 written by and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book OECD Guidelines for the Testing of Chemicals Section 2 Test No 210 Fish Early life Stage Toxicity Test written by OECD and published by OECD Publishing. This book was released on 2013-07-26 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 five concentrations of the test ...

Download or read book OECD Guidelines for the Testing of Chemicals Section 2 Test No 203 Fish Acute Toxicity Test written by OECD and published by OECD Publishing. This book was released on 2019-06-18 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 ...

Download or read book OECD Guidelines for the Testing of Chemicals Section 2 Test No 215 Fish Juvenile Growth Test written by OECD and published by OECD Publishing. This book was released on 2000-01-21 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 ...

Download or read book OECD Guidelines for the Testing of Chemicals Section 2 Test No 204 Fish Prolonged Toxicity Test 14 Day Study written by OECD and published by OECD Publishing. This book was released on 1984-04-04 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Test Guideline presents guidance for measurement of lethal and other observed effects in fish exposed to test substances. It may be used in place of Test Guideline 203 if a longer observation period is considered useful and appropriate and the ...

Download or read book OECD Guidelines for the Testing of Chemicals Section 2 Test No 229 Fish Short Term Reproduction Assay written by OECD and published by OECD Publishing. This book was released on 2012-10-02 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Test Guideline describes an in vivo screening assay for fish reproduction where sexually mature male and spawning female fish are held together and exposed to a chemical during a limited part of their life-cycle (21 days). The short term ...

Download or read book OECD Guidelines for the Testing of Chemicals Section 2 Test No 236 Fish Embryo Acute Toxicity FET Test written by OECD and published by OECD Publishing. This book was released on 2013-07-26 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: The test method described in this Test Guidelineis inteneded to determine the acute or letal toxicity of chemicals on embryonic stages of fish (Danio rerio). Newly fertilised zebrafish eggs are exposed to the test chemical for a period of 96 hrs ...

Download or read book OECD Guidelines for the Testing of Chemicals Section 2 Test No 230 21 day Fish Assay A Short Term Screening for Oestrogenic and Androgenic Activity and Aromatase Inhibition written by OECD and published by OECD Publishing. This book was released on 2009-09-08 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Test Guideline describes an in vivo screening assay for certain endocrine active substances where sexually mature male and spawning female fish are held together and exposed to a chemical during a limited part of their life-cycle (21 days ...

Download or read book OECD Guidelines for the Testing of Chemicals Section 2 Test No 212 Fish Short term Toxicity Test on Embryo and Sac Fry Stages written by OECD and published by OECD Publishing. This book was released on 1998-09-21 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this Short-term Toxicity Test on Fish Embryo and Sac-Fry Stages, the life stages from the newly fertilized egg to the end of the sac-fry stage are exposed. The embryo and sac-fry stages of fish are exposed to five concentrations of the test ...

Download or read book OECD Guidelines for the Testing of Chemicals Section 2 Test No 249 Fish Cell Line Acute Toxicity The RTgill W1 cell line assay written by OECD and published by OECD Publishing. This book was released on 2021-06-18 with total page 51 pages. Available in PDF, EPUB and Kindle. Book excerpt: The RTgill-W1 cell line assay describes a 24-well plate format fish cell line acute toxicity test using the permanent cell line from rainbow trout (Oncorhynchus mykiss) gill, RTgill-W1. After 24 h of exposure to the test chemical, cell viability is assessed based on three fluorescent cell viability indicator dyes, measured on the same set of cells. Resazurin enters the cells in its non-fluorescent form and is converted to the fluorescent product, resorufin, by mitochondrial, microsomal or cytoplasmic oxidoreductases.

Download or read book OECD Guidelines for the Testing of Chemicals Section 2 Test No 240 Medaka Extended One Generation Reproduction Test MEOGRT written by OECD and published by OECD Publishing. This book was released on 2023-07-04 with total page 53 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Test Guideline describes the Medaka Extended One Generation Test (MEOGRT), which exposes fish over multiple generations to give data relevant to ecological hazard and risk assessment of chemicals, including suspected endocrine disrupting chemicals (EDCs). Exposure in the MEOGRT starts with ...

Download or read book OECD Guidelines for the Testing of Chemicals Section 2 Test No 251 Rapid Androgen Disruption Activity Reporter RADAR assay written by OECD and published by OECD Publishing. This book was released on 2022-06-30 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Rapid Androgen Disruption Activity Reporter (RADAR) Test Guideline describes an aquatic assay that utilizes transgenic Oryzias latipes (O. latipes, Japanese medaka) eleutheroembryos at day post hatch zero, in a multi-well format to detect chemicals active on the androgen axis.

Download or read book Test No 229 Fish Short Term Reproduction Assay written by OECD and published by OECD Publishing. This book was released on 2009-09-08 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Test Guideline describes an in vivo screening assay for fish reproduction where sexually mature male and spawning female fish are held together and exposed to a chemical during a limited part of their life-cycle (21 days). The short term ...

Download or read book OECD Guidelines for the Testing of Chemicals Section 2 Test No 241 The Larval Amphibian Growth and Development Assay LAGDA written by OECD and published by OECD Publishing. This book was released on 2015-07-28 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Test Guideline describes the Medaka Extended One Generation Test (MEOGRT), which exposes fish over multiple generations to give data relevant to ecological hazard and risk assessment of chemicals, including suspected endocrine disrupting chemicals (EDCs). Exposure in the MEOGRT starts with ...

Download or read book OECD Guidelines for the Testing of Chemicals Section 2 Test No 223 Avian Acute Oral Toxicity Test written by OECD and published by OECD Publishing. This book was released on 2016-07-29 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Test Guideline describes procedures designed to estimate the acute oral toxicity of substances to birds, and it provides three testing options: (1) limit dose test, (2) LD50-slope test, and (3) LD50-only test. The LD50-slope and LD50-only options are sequential testing procedures.

Download or read book OECD Guidelines for the Testing of Chemicals Section 2 Test No 220 Enchytraeid Reproduction Test written by OECD and published by OECD Publishing. This book was released on 2016-07-29 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Test Guideline is designed to be used for assessing the effects of chemicals on the reproductive output of the enchytraeid worm, Enchytraeus albidus Henle 1873, in soil.