Spencer, J.E. <br/><br/>
Some effects of the supplementing of the diet of broiler chicks with flint grit /  
J.E. Spencer and N.K. Jenkins. 
 - Ashford, Kent  :    Wye College,    [n.d.] 
 - 147-158 p. :    ill. ;    25 cm. 
 - Reprint ;    no. 231. .
<br/><br/>Includes bibliographical references : p. (158-159) 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Poultry -- Feeding and feeds.<br/> Poultry -- Weight.<br/> Grits.