DCD10, DCD11, DCD12 35-, 50-, and 65-Percent Concentrate Dry Period Diets These are three diets used in the dry period in a recent experiment. The does and doelings were in good condition in late lactation before drying off, and performance in the subsequent early lactation period was similar among these different diets. Trace mineral and vitamin premixes are those used for CD2. The calculated composition on a dry matter basis is: ItemDCD10DCD11DCD12 CP, %16.617.917.5 …