Cholesterol deficiency carriers have lowered serum cholesterol and perform well at an elite cattle show

Summary: In a small sample of carriers of cholesterol deficiency, the genetic disorder that affects low density lipoprotein transportation in Holstein cattle, serum cholesterol was lower than that of their herdmates. Furthermore, cows that inherited the cholesterol deficiency mutation from their sire placed in the top 5 of their classes at World Dairy Expo more often than their noncarrier paternal sisters.