00936nam a2200193Ia 4500 CTU_236149 210402s9999 xx 000 0 und d 639.8 M917 Mota, Vasco C. Steroids accumulation in recirculating aquaculture systems Vasco C. Mota Netherlands Wageningen University 2015 Little information is available on steroid concentrations in the rearing water of aquaculture systems and whether they accumulate in recirculating aquaculture systems (RAS). Therefore this study aimed at determining (1) the concentrations and variation of cortisol and sex steroids in RAS, (2) the contribution of fish rearing conditions to steroid concentrations in seven commercial RAS. Nuôi trồng thủy sản,Aquaculture nthai Trung tâm Học liệu Trường Đại học Cần Thơ