 is rich in protein, the immune globulins as well. So our take-home messages are that we should be adjusting protein based on the stage of gestation, lactation. Heifers are more sensitive in terms of changes in the feeding program as well, and feeding a balanced amino acid profile is very important both pre-partum and post-partum for our dairy cows. And that's Dr. Mike Hutchins. To listen to more, go to dairyradio.com.