1st bottle (500 ml) approx. 24 hours prior to calving and 2nd bottle (500 ml) immediately after calving.
If required: 3rd bottle (500 ml) 12 hours after calving and, if necessary, 4th bottle (500 ml) 24 hours after calving.
To increase calcium and phosphorus in the feed ration after veterinary calcium infusion: 1st bottle (500 ml) 8-12 hours after the infusion and the 2nd bottle (500 ml) 24 hours after the infusion.