Macharia, S.K.; Ngugi, C.C.; Rasowo, J. - In: Naga 28 (2005) 3/4, pp. 23-26
The hatching rates of African catfish (Clarias gariepinus) eggs on four natural substrates: the roots of Nile cabbage … mean hatching rate of 66.2 ▒ 3.62%. Green grass leaves were second with a mean rate of 54.0 ▒ 3.46%, water hyacinth was …