Complex sentence: Bowling applied her work on identifying parentage to help preserve the genetic diversity of the Przewalski's horse; among other work, she reconstructed the herd book of the captive Askania Nova herd in Ukraine using parentage testing data.
Split into simpler sentences: Bowling applied her work on identifying parentage to help preserve the genetic diversity of the Przewalski's horse. Among other work, she reconstructed the herd book of the captive Askania Nova herd in Ukraine using parentage testing data.