The McNay sheep research flock was established in 1989 when the flock was relocated from the Beaconsfield research farm. Currently, the flock is composed of 200 white-faced, prolific crossbred ewes. Past work has demonstrated the management needed for an intensive lambing schedule with commercial flocks in Iowa. This flock accomplished over 70% accelerated lambing. One area of research that dramatically improved spring conception rates was light priming of the rams during the four months prior to breeding
