Whitehead, C <br/><br/>
Effect of altered photoperiod on serum gonadotrophin and testosterone levels in male rainbow trout [proceedings].  [electronic resource] 

 -  The Journal of endocrinology  May 1979 
 - 139P-140P p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0022-0795 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Gonadotropins, Pituitary--blood<br/>Light<br/>Male<br/>Periodicity<br/>Salmonidae--blood<br/>Testosterone--blood<br/>Trout--blood