Abd El-Ghaffar, Haytham Ahmed Gamal El-Deen  <br/><br/>
Improvement of reproductive performance and flesh quality of fish brooders of one species of fresh water fishes as affected by control of some hatchery management systems  [electronic resource] / 
 تحسين الأداء التكاثرى وجودة اللحم لأمهات نوع واحد من أسماك المياه العذبة عن طريق التحكم فى نظم إدارة المفرخات, 
Haytham Ahmed Gamal El-Deen Abd El-Ghaffar 
 -  2015. 
<br/><br/>Thesis (Ph.D.) -- Zagazig University, 2015 . 
<br/><br/>Includes bibliographical references (leaves 93-119)  
<br/><br/><br/>Systems requirements: Adobe Reader. 
<br/><br/><br/>Summary in Arabic 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nile tilapia--Breeding<br/>Nile tilapia--Feedin and feeds<br/>Nile tilapia--Reproduction<br/>Fishes--Effect of temperature on.<br/>Fresh-water fishes