Fig. 1From: Comparison of different ploidy detection methods in Oncorhynchus mykiss, the rainbow troutHistological examination of gonadal tissue from rainbow trout. a Section of squeezed female gonadal structure showing signs of primordial oocytes (× 600). b Section of squeezed male gonadal structure showing signs of primordial spermatogonia (× 600)Back to article page