Eshra,Nasser Talat El- Sayed. <br/><br/>
Studies on some causes of infertility in bovines  [microform]/ 
 دراسات عن بعض مسببات نقص الخصوبة فى الماشية. 
Nasser Talat El- Sayed Eshra. 
 -  1998. 
 - 143, 6 leaves :  ill. ;  30 cm. 
<br/><br/>Thesis (Ph.D.) --ZagaZig Univesity, 1998. 
<br/><br/>Includes bibliographical references (leaves 112-143) 
<br/><br/><br/>Microfiche. <br/>Cairo, Egypt : <br/>ASUNET, <br/>3 microfiche : negative. 
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cattle--Infertility.<br/>Infertility in animals.<br/>Spermatozoa.