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Ecovite Drifos P12 and P6: Weather resistant phosphate supplements
October 2025
|Stockfarm
Over 90% of South African soils are deficient in the mineral phosphorus. The country's warm, dry climate contributes to low levels of organic matter, which in turn limits phosphorus availability to animals.
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The phosphorus content of pastures is directly influenced by soil phosphorus levels and is closely linked to the protein content of the grass — when protein levels decline, phosphorus levels typically drop as well. Veld grass generally contains between 0,3 and 0,6g/kg of phosphorus on an 'as-fed' basis, while fertilised hay contains approximately 1 to 2g/kg. However, only 65% of this phosphorus is in fact available to the animal. As a result, phosphorus is one of the most essential and widely recognised minerals that must be supplemented in the diets of grazing livestock.
Functions of phosphorus
Phosphorus is vital for energy metabolism in animals, facilitating the conversion of energy from feed or grazing into a form the body can utilise. It is a key component of cell membranes, where it helps regulate cell permeability. Over 80% of the body's phosphorus is stored in the skeleton and teeth, highlighting its importance in these structures. Phosphorus also plays a crucial role in maintaining the pH balance within body cells and the rumen of ruminant animals.
Role of phosphorus in ruminants
Phosphorus is essential for the optimal functioning of rumen microbes, which are responsible for digesting roughage and synthesising microbial protein. These microbes also produce the enzyme phytase, which helps release phosphorus from plant material, making it more available to the animal.
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