More insemination success. In recent years, the fertility of high-performance cattle has decreased worldwide. An energy deficit at the time of insemination impairs insemination success. Scientific studies indicate* that administration of energy on insemination day may increase pregnancy rate. What to do? E-Pill. Give the first energy pill. When to administer E-PILL®? Right after insemination. How may? 2 E-PILL®s. Utsch 2017: JLU Giessen, FB Vetmed., Diss.