Trials with a long acting parenteral selenium preparation in ruminants: sheep.

Barium selenate was developed as a long-acting subcutaneous injection for selenium treatment. The results from trials using this product show that it is a safe preparation for treating and preventing selenium deficiency in sheep. It produces a satisfactory selenium status which will be maintained for at least six months and, when injected into pregnant ewes, results in the transfer of selenium from the ewe to its progeny.