ALDH6A1 and hereditary elliptocytosis: Additionally, EC 1.2.1.18 (malonate-semialdehyde dehydrogenase (acetylating)) and EC 1.2.1.27 (methylmalonate-semialdehyde dehydrogenase (CoA-acylating)) associated with propanoate metabolism pathway were more abundant in HE cows (P < 0.05).