Witkowski, M <br/><br/>
Effect of increased daylight during late pregnancy on the reproductive performance of mares after parturition.  [electronic resource] 

 -  Journal of reproduction and fertility. Supplement  2000 
 - 673-7 p.  digital 
<br/><br/> Publication Type: Controlled Clinical Trial; Journal Article 
<br/><br/><label>ISSN: </label>0449-3087 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Estrous Cycle--physiology<br/>Female<br/>Horses--physiology<br/>Parturition--physiology<br/>Photoperiod<br/>Pregnancy<br/>Reproduction--physiology