Abd-ElGawad, A. Salah. <br/><br/>
Effects of the crowding on growth performance and total yield of Nile tilapia (Oreochromis niloticus) reared in semi-intensive earthen ponds by using under ground water  [electronic resource]. 
 تأثير الإزدحام على مظاهر النمو والإنتاج الكلى لأسماك البلطى النيلى المرباه فى أحواض ترابية بنظام الإستزراع نصف المكثف بإستخدام المياه الجوفية. 

 - p.59-76. 
<br/><br/>Includes reference. 
<br/><br/> Effect of high stocking density on growth performance, survival, total yield, food conversion and economic efficiency of Orechromis niloticus (Linnaeus) were evaluated. 
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nile tilapia.<br/>Fishes--Growth.<br/>Fish ponds<br/>Fish culture.<br/>stocking rate.<br/>growth performance.