North, Mack O. <br/><br/>
Commercial chicken production manual / 
Mack O. North 
 - 2nd ed. 
 - Westport, Conn. :  Avi Publishing Co.,  1978 
 - x, 692 p. :  ill. ;  26 cm. 
<br/><br/>Includes indexes 
<br/><br/><label>ISBN: </label>0870552597 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chickens