Ladicu za mrijest potrebno je maknuti, jajašca ukloniti i vratiti ladicu u ispitnu posudu što kasnije navečer ili vrlo rano ujutro.
OECD (2012), OECD Conceptual Framework for Testing and Assessment of Endocrine Disrupters, OECD Environmental Health and Safety Publications, Series on Testing and Assessment nr 150, OECD, Paris.