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 ...