Bearden, H. Joe <br/><br/>
Applied animal reproduction  
/H. Joe Bearden, John W. Fuquay, Scott T. Willard. 
 - Sixth edition 
 - Upper Saddle River, NJ :  Pearson Prentice Hall,  c2004. 
 - xvi, 427 p. :  ill. (some col.) ;  25 cm.