4Sargent,J.R., Lipid nutrition of marine fish during earlydevelop ment:current status and future directions[J]Aquaculture, 1999 (179) :217-229.
5Snell, T.W.The effect of temperature, salinity and. feed level on sexual and asexual reproduction in Brachionus plicatilis (Rotifera) [J].Mar.Bio., 1986(92):157-162.
