KCNT2 and endometritis: Both the ANI and Re populations also share a region (16: 6695203–7749635) that contains KCNT2 (Potassium Sodium-Activated Channel Subfamily T Member 2), which is associated with endometritis occurring within 150 days after calving in first-parity Canadian Holstein cows, and is a primary candidate gene for ketosis in dairy cattle [59,60].