Abstract
The effect of zinc on the destination of fluids administered by drenching gun to sheep was determined by a crystal violet dye-indicator-slaughter method. Zinc in drench solutions produced more direct passage of drench to the abomasum as indicated by increased dye staining of abomasal and omasal mucosa and abomasal contents. Stimulation of the reticular groove reflex is suggested. Increased concentrations of zinc increased the effect. The stimulatory effect was similar to that produced by copper salts.