Hartwig, W <br/><br/>
[The effect of the sperm collection rhythm on the sperm production of insemination bulls in subtropical climate conditions].  [electronic resource] 

 -  Beitrage zur tropischen Landwirtschaft und Veterinarmedizin  1990 
 - 447-55 p.  digital 
<br/><br/> Publication Type: English Abstract; Journal Article 
<br/><br/><label>ISSN: </label>0301-567X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Cattle--physiology<br/>Insemination, Artificial--veterinary<br/>Male<br/>Semen--physiology<br/>Specimen Handling--veterinary<br/>Spermatogenesis--physiology<br/>Syria<br/>Tropical Climate