Ask the Vet Bottle Jaw Heifer 11/11/2019 | 6:58 AM CST Low protein levels in the blood can lead to a condition known as "bottle jaw" or "brisket edema." (DTN/Progressive Farmer image by Jim Patrico) By Dr. Ken McMillan Contributing Editor (AG/SK)Copyright 2019 DTN/The Progressive Farmer. All rights reserved. P[L1] D[0x0] M[300x250] OOP[F] ADUNIT[] T[]