Since 2003 The Blood-Horse MarketWatch has published an annual analysis of the top 400 broodmare sires by their Average Earnings Indexes (AEI). This year's study, which is featured in the April issue, includes Smart Strike for the first time because his daughters' progeny met the minimum criteria of five North American runners in 2008 and lifetime earnings of at least $5 million. Smart Strike, the...

Sir Harry Lewis descends from a line of stallions that are best known as broodmare sires. It's no wonder, then, that he has spent the past five years as a leader by Broodmare Sire AEI, as seen in the April issue of TBH MarketWatch.