A total of 50 intestines of domestic chicken were collected in and around Cheyyar, Thiruvannamalai district from April 2014 to September 2014. The overall prevalence of parasitic infection was 91.54%. of this overall prevalence of 91.54%, 80.67% was infected with cestodes and 19.33% with nematodes. The collected tape worms (cetodes) were identified as Raillietina tetragona, R.echinobothridia, R.cesticillus, Cotugnia dionophora and Hymenolepis carioca) and nematodes were identified as Ascaridia galli and Heterakis gallinarum. The percentage of Raillietina tetragona, R.echinobothridia, R.cesticillus, Cotugnia dionophora and Hymenolepis carioca were 40.00, 13.85, 9.23 and 6.92 and 3.85%, respectively. Similarly the percentage of Ascaridia galli and Heterakis gallinarum were 11.54 and 6.15%, respectively. The average number of parasite per chicken was 16.38, 14.44, 1.50, 2.0 and 2.6% of Raillietina tetragona, R.echinobothridia, R.cesticillus, Cotugnia dionophora and Hymenolepis carioca, respectively. Similarly the average number of parasite per chicken was 18.67 and 15.0% of Ascaridia galli and Heterakis gallinarum, respectively.
