Dicalcium phosphate is an essential calcium supplement used to enhance stock feeds, providing essential minerals for the development of strong teeth and bones. Calcium and phosphorus sources can be included in feeds for all animals as part of a balanced diet. Product of Australia. Quick Facts & Benefits: Phosphorous is an essential nutrient required by all livestock, Phosphorous is of major importance in diet formulations and needs to be balanced correctly. Nearly 86% of phosphorous is found in the skeleton and teeth the remainder is found in soft tissue.