Knickmeyer, E R <br/><br/>
Altering duration of the presynchronization period in a long-term progestin-based estrus synchronization protocol for timed artificial insemination of beef heifers.  [electronic resource] 

 -  Theriogenology  Sep 2019 
 - 66-71 p.  digital 
<br/><br/> Publication Type: Clinical Trial, Veterinary; Journal Article 
<br/><br/><label>ISSN: </label>1879-3231 
<br/><br/><label>Standard No.: </label>10.1016/j.theriogenology.2019.06.027  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Cattle<br/>Dinoprost--administration & dosage<br/>Drug Administration Schedule<br/>Estrus Synchronization--methods<br/>Female<br/>Insemination, Artificial--veterinary<br/>Oxytocics--administration & dosage<br/>Progesterone--administration & dosage<br/>Progestins--administration & dosage<br/>Time Factors