| The study was to investigate the efficiency of pupal parasitoid released in cattle farm studied in two farms in Saard district amphoe Nampong, Khon Kaen Province, during October 2011 to September 2012. Pupal parasitoids here released two times in one farm in April 2012. Another farm was not released. Fly populations were evaluated every two weeks from blue sticky trap and direct count on cattle. The percentage of parasitisim was also observed. The results showed that the trend of the decreasing number of fly on the sticky trap and cattle (32.42 and 27.11% respectively) compare with the control farm. Additionally, the percentage of parasitism in released farm was increase 1.25%, while the percentage of parasitism in control farm was changed |
