Shahein, El Sayed Hamed Aly. <br/><br/>
Factors affecting hatchability and their relation to embryonic development in local chicken strains  [microform]/ 
 دراسة العوامل المؤثرة على التفريخ وعلاقتها بالتطور الجنينى فى سلالات الدواجن المحلية. 
El Sayed Hamed Aly Shahein. 
 -  2002. 
 - 164, 7Leaves :  ill. ;  30 cm. 
<br/><br/>Thesis (Ph.D.)--Tanta University,2002. 
<br/><br/>Includes bibliographical references (leaves 134-164) 
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<br/><br/><br/>Microfiche. <br/>Cairo, Egypt : <br/>ASUNET, <br/>3 microfiches:negative. 
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chickens--Hatcheries<br/>Chickens--Fertility.<br/>Chickens--Feeding and feeds.<br/>Eggs--Production.