Iranian J Parasitol: Vol. 7, No.1, 2012, pp.92-96 Acknowledgments The authors declare that there is no conflict of interests. References 1. Anthony JP, Fyfe L, Smith H. Plant active components – a resource for antiparasitic agents? Trends Parasitol. 2005; 21: 462- 68. 2. Rahuman AA, Bagavan A, Kamaraj C, Sa- ravanan E, Zahir AA, Elango G. Efficacy of larvicidal botanical extracts against Culex quinquefasciatus Say (Diptera: Culicidae). Parasitol Res. 2009; 104: 1365- 72. 3. Tariq KA, Chishti MZ, Ahmad F, Shawl AS. Anthelmintic activity of extracts of Ar- temisia absinthium against ovine nematodes. Vet Parasitol. 2009; 160: 83–88. 4. Mehlhorn H, Al-Quraishy S, Aziza A, Hess M. Fine structure of the bird parasites Trichomonas gallinae and Tetratri- chomonas gallinarum from cultures. Para- sitol Res. 2009; 105 (3): 751-56. 5. Friend M, Franson JC. Field manual of wildlife diseases: general field procedures and diseases of birds. USGS Biological Re- sources Division Madison. USA.1999. 6. Moradi M, Tajik H, No HK, Razavi Rohani SM, Oromiehie A, Ghasemi S. Potential inherent properties of chitosan and its ap- plications in preserving muscle food. J Chi- tin Chitosan. 2010; 15(1): 35-45. 7. Shahidi F, Abuzaytoun R. Chitin, Chitosan, and co-products: Chemistry, Production, Application, and Health effects. Adv Food Nutr Res. 2005; 49: 93-135. 8. Speiciene V, Guilmineau F, Kulozik U, Leskauskaite D. The effect of chitosan on the properties of emulsions stabilized by whey proteins. Food Chem. 2006; 102: 1048-54. 9. Issa MM, Köping-Höggård M, Artursson P. Chitosan and the mucosal delivery of bio- technology drugs. Drug Discov. Today Technol. 2005; 2(1): 1-6. 10. Brown TJ, Emelko MB. Chitosan and met- al salt coagulant impacts on Cryptospo- ridium and microsphere removal by filtra- tion. Water Res. 2008; 43(2): 331-38. 11. Parama A, Luzardo A, Blanco-Méndez J, Sanmartín ML, Leiro J. In vitro efficacy of glutaraldehyde-crosslinked chitosan micro- spheres against the fish-pathogenic ciliate Philasterides dicentrarchi . Dis Aquat Or- gan. 2005; 64: 151-158. 12. Munaz E, Castella J, Gutierrez JF. In vivo and in vitro sensitivity of Trichomonas gallinae to some nitroimidazole drugs. Vet Parasitol. 1998; 78: 239-46. 13. Oyedapo AO, Makanju VO, Adewunmi CO, Iwalewa EO, Adenowo TK. Antitri- chomonal activity of 1,3-Diaryl-2-Propen- 1-Ones on Trichomonas gallinae. Afr J Trad CAM. 2004; 1: 55 – 62. 14. Diamond LS. Lumen dwelling protozoa: Entamoeba, Trichomonads and Giardia. In: Jensen JB. (ed) In vitro cultivation of proto- zoan parasites. CRC Press, Florida. 1983. pp. 65–111. 15. Tajik H, Moradi M, Razavi-Rohani SM, Erfani AM, Sabet –Jalali FS. Preparation of chitosan from brine shrimp (Artemia ur- miana) cyst shells and effects of different chemical processing sequences on the physicochemical and functional properties of the product. Molecules. 2008; 13: 1263- 1274. 96 Available at: http://ijpa.tums.ac.ir