Suplement LXXX
Urban, Ewa. 1984. Energy balance and nitrogen changes of grass carp (Ctenopharyngodon idella Val.) larvae and fry under different food conditions. I. Energy balance. Ekol. pol, 30, 327-391. 7. SUMMARY The 3-124 days old grass carp was examined. During 121 days parameters of nitrogen balance were investigated, i. e., food ration, nitrogen increase in biomass and… czytaj dalej »