Fletcher, I C <br/><br/>
Effect of rams on the duration of oestrous behaviour in ewes.  [electronic resource] 

 -  Journal of reproduction and fertility  May 1971 
 - 253-9 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0022-4251 
<br/><br/><label>Standard No.: </label>10.1530/jrf.0.0250253  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Castration<br/>Estradiol--administration & dosage<br/>Estrus<br/>Female<br/>Male<br/>Pregnancy<br/>Progesterone<br/>Sexual Behavior, Animal--drug effects<br/>Sheep--physiology<br/>Time Factors