Something a little different here, U17 is an AI bred SimAngus heifer ¾ Black Simm and ¼ Angus. She’s the best individual SimAngus heifer from the drop, she’s got high growth and style. If you’re looking for a heifer who’ll develop into a cow that commands attention and breeds solid bulls, then take a look. Top 5% Yearling Weight, Top 10% Weaning Weight and Top 20% Maternal Weaning Weight.