Zinn, S A <br/><br/>
Response of body weight and clearance and secretion rates of growth hormone to photoperiod in Holstein heifers.  [electronic resource] 

 -  Journal of animal science  May 1986 
 - 1273-8 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, U.S. Gov't, Non-P.H.S.; Research Support, U.S. Gov't, P.H.S. 
<br/><br/><label>ISSN: </label>0021-8812 
<br/><br/><label>Standard No.: </label>10.2527/jas1986.6251273x  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Body Weight<br/>Cattle--physiology<br/>Feeding Behavior--physiology<br/>Female<br/>Growth Hormone--metabolism<br/>Light