If you have access to fresh colostrum, fill one-liter freezer bags, place them on a cookie sheet and put them in the freezer. This makes them easy to store, and they thaw quickly in the bags. It is essential for calf survival to ensure the calf ingest an adequate dose of colostrum. Increasing calf survival requires a plan. The biggest improvement can be made by increasing management and observation of calving heifers and cows to provide timely and skillful obstetrical assistance when necessary.
Time is important.
The second biggest improvement you can make is ensuring adequate colostrum intake. Prepare yourself in advance of the calving season to increase calf survival.