Performance tests Toltraril S 5% (Toltrazuril 5%) in newborn piglets as compared to other drug. To reduce piglet diarrhea caused by Isospora suis was conducted in pigs totaled 634 to be tested and it can be divided into 2 groups of 3 replicates group 1 used drug Toltraril 5% pump in pigs first. was 3 days old group 2 used Drug Baycox 5% pump in piglets born 3 days as well, the results showed that Toltraril 5% efficiency equivalent to Baycox 5% results do not differ significantly. statistically (P> 0.05) in the average weaning weight / stall. The average weaning/heads the ADG / stall ADG / heads weight gain / stall. And weight gain /heads Including %diarrhea