A CLINICAL-TRIAL DEMONSTRATING THE FINANCIAL IMPACT OF DEWORMING COWSAND CALVES IN EAST TEXAS

The financial gain of deworming livestock in East Texas can be enormou s, according to the results of this study of a herd of crossbred Simbr a and Braford first-calf heifers near Huntsville, Texas. In the study, a broad spectrum anthelmintic, oxfendazole (Synanthic(R):Syntex Anima l Health, West Des Moines, Iowa) was used to evaluate the economic imp act of twice-a-year deworming by treating dams only, calves only, or b oth the dams and calves. Adjusted 205-day weaning weights, days from c alving to conception (days open), and pregnancy rates were the determi nant variables measured in the study.