TY - BOOK AU - Essmat,Ahmed Mohamed TI - Studies on common bacterial pathogens causing mortality and low productivity of Oreochromis niloticus PY - 2009/// KW - Nile tilapia KW - Mortality KW - Pathogens KW - Fishes KW - Diseases KW - animal pathogenic bacteria N1 - Thesis (M.S.) -- Zagazig University, 2009; Includes bibliographical references (leaves138-175) UR - http://nile.enal.sci.eg/thesis/3204.pdf ER -