Hussein, M., Zaghloul, A., Tolan, A., Ahmed, M. (2016). Studies on Lysine Requirement for Growing mono-sex Nile Tilapia (Oreochromisniloticus). Journal of Animal and Poultry Production, 7(9), 355-361. doi: 10.21608/jappmu.2016.48725
M. S. Hussein; A. M. Zaghloul; A. Z. Tolan; M. H.I. Ahmed. "Studies on Lysine Requirement for Growing mono-sex Nile Tilapia (Oreochromisniloticus)". Journal of Animal and Poultry Production, 7, 9, 2016, 355-361. doi: 10.21608/jappmu.2016.48725
Hussein, M., Zaghloul, A., Tolan, A., Ahmed, M. (2016). 'Studies on Lysine Requirement for Growing mono-sex Nile Tilapia (Oreochromisniloticus)', Journal of Animal and Poultry Production, 7(9), pp. 355-361. doi: 10.21608/jappmu.2016.48725
Hussein, M., Zaghloul, A., Tolan, A., Ahmed, M. Studies on Lysine Requirement for Growing mono-sex Nile Tilapia (Oreochromisniloticus). Journal of Animal and Poultry Production, 2016; 7(9): 355-361. doi: 10.21608/jappmu.2016.48725
Studies on Lysine Requirement for Growing mono-sex Nile Tilapia (Oreochromisniloticus)
1Animal Production Dep., Fish production, Faculty of Agriculture, Al-Azhar University, Cario
2Central Laboratory for Aquaculture Research, SakhaUnit,Kafr El Sheikh
Abstract
This study was conducted over 12 weeks' period in order to studythelysine requirements ofgrowing mono-sex Nile tilapia (Oreochromisniloticus). There were nine treatments (cont. T1 without lysine, T2=0.1 lysine, T3= 0.2lysine, T4=0.3 lysine, T5=0.4 lysine, T6=0.5 lysine, T7=0.6 lysine, T8=0.7 lysine, and T9=0.8 lysine). Each treatment consisting of three replicates. Initial body weight of fish was 10 g,stocking rate was10fish/aquariumand daily feeding rate was3% of fish live body weight. Fish were fed a balanced diet of 20% protein. The results indicated that the best fish production, chemical composition, and physiological status were obtained byT6 and T7 (level of the added lysine 0.5 and 0.6% of the diet, i.e. 1.74& 1.84 of the diet as total content of lysine).
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