Effect of bME on the pregnancy and farrowing rates and litter sizes. Hormonally treated (PG600/hCG) weaned sows were
subjected to fixed-time intrauterine insemination once at 40 h after hCG administration with frozen-thawed sperm (25 108 sperm per dose) suspended in the absence or presence of 50 M bME in the thawing solution (together with caffeine).