TY - BOOK AU - Nesreen Saaad Ibrahim Yousef AU - Magdy Ibrahim Hana , AU - Mohamed Sayed Mohamed Marzouk , AU - Olfat Antar Mahdy , TI - A contribution on the biocontrol of some parasitic infections in cultured fishes / PY - 2012/// CY - Cairo : PB - Nesreen Saaad Ibrahim Yousef , KW - Epistylis KW - Oreochromis niloticus KW - Trichodina N1 - Thesis (Ph.D.) - Cairo University - Faculty of Veterinary Medicine - Department of Animal Diseases; Issued also as CD N2 - The present study was carried out on 230 Oreochromis niloticus randomly collected alive from private freshwater fish farms at Eltal Elkbir - Sharkia governorate . The fish were subjected to clinical , postmortem and parasitological examination . The efficacy of Bio - Mos ® as a biocontrol agent was evaluated on growth performance , hematological parameters , total proteins content and the Serum Lysozyme activity UR - http://172.23.153.220/th.pdf ER -