Sykes Drench with Minerals 340g, for Cattle, Horses, Sheep, Goats and Pigs. Product Description The original purgative drench with some mineral replacements. Sykes Drench is a truly Australian product founded in 1895. It is active against impaction, bloat, acute indigestion, constipation, retained afterbirth, impaction colic and sand. Sykes Drench is a cost-effective way to ensure your animals health and condition.