Acker, Duane. <br/><br/>
Animal science and industry / 
Duane Acker, Merle Cunningham. 
 - 4th ed. 
 - Englewood, N.J. :  Prentice Hall,  c1991. 
 - xxii, 709 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0130374334 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Livestock.<br/>Animal industry.
<br/><br/><label>LC Class. No.: </label>SF61  / .A35 1991