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Olsson’s Equine Blocks are formulated for horses grazing pastures of buffel, kikuyu, setaria, and some of the other exotic grasses.
When on these pastures for extended periods horses develop the condition known as “Big Head”. This condition occurs because the calcium in the grass, although often at the correct concentrations, becomes unavailable to the horse due to phosphorus excess in the diet, with symptoms such as swollen and sore bones, big head, and milk fever in pregnant mares.
