Overberg research projects. V. Anthelmintic sales in the Bredasdorp area of the southern Cape.

In the Bredasdorp anthelmintic market segment with its 327,764 sheep and goats and 19,818 cattle, 1,323,770 therapeutic doses of anthelmintic for sheep and goats and 6,622 therapeutic doses for cattle, worth R456,800.46 and R22,548.31, respectively, were sold during 1988. Fewer than 4 market segment therapeutic doses of nematocide, with an annual total average cost of R1.40 per animal, were sold for sheep and goats, while only an estimated 33 1/3% of the cattle received an anthelmintic, at an annual average cost of R3.41 per animal. Anthelmintic prices fluctuated by -12 to +42% in 16 months. Benzimidazoles were responsible for 38.5%, ivermectins for 22.1% and combination products for 19.4% of sales. The injectable formulation of ivermectin was responsible for 38.5% of ivermectin sales and probably used primarily in the control of sheep scab.