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Effect of some immunostimulants as feed additives on the survival and growth performance of Nile tilapia, Oreochromis niloticus and their response to artificial infection
Type: Journal Article
Four plant based immunostimulants (Echinacea purpurea 0.25 and 1.0 ppt, Allium sativum 3 %, Nigella sativa 3% and Origanum marjorana 2 and 3% and mixture of Allium sativum , Nigella sativa 3:1, 1:3 and 3:3%, respectively ...
Effect of Echinacea on body gain, survival and some hematological and immunological parameters of Oreochrmis niloticus and their response to challenge infection
Type: Journal Article
Six hundred and forty O. niloticus were equally distributed in 16 hapas (each of 1.5 m3) to be used for 4 treatments in 4 replicates. Fish of groups 1-3 were fed on basal diet mixed with Echnicacea (0.25 ppt) for 1 st, 2 ...