TY - JOUR T1 - The Effect of Ivermectin Pour on Administration Against Natural Heterakis gallinarum Infestation and its Prevalence in Native Poultry AU - Mirhadi, Khayatnouri AU - Yagoob, Garedaghi AU - Alireza, Arbati AU - Heidar, Khalili JO - Research Journal of Poultry Sciences VL - 4 IS - 3 SP - 41 EP - 44 PY - 2011 DA - 2001/08/19 SN - 1993-5285 DO - rjpscience.2011.41.44 UR - https://makhillpublications.co/view-article.php?doi=rjpscience.2011.41.44 KW - pour on KW -poultry KW -Heterakis gallinarum KW -ivermectin KW -EPG KW -infection KW -Iran AB - One of the real problems that cause the economic prejudice in animal farms yearly is parasitic diseases. To overcome these problems the use of antiparasitic drugs is necessary. Ivermectin is a broad spectrum antiparasitic agent and different routes of its administration such as injection, oral and pour on were used. The aims of the current study were evaluation of the efficacy of ivermectin pour on administration against natural Heterakis gallinarum infection in native poultry and also determination the prevalence rate of this parasite in Tabriz area. In the present study, 120 native poultry were investigated by EPG (Egg Per Gram of feces) feces test. Willis method was applied for feces test and Mack-Master slide method was used for counting nematode eggs. After confirming the infection with worms, ivermectin (0.5 mg kg-1) pour-on was administrated to infected birds. Fecal examination was repeated in 1, 7, 21 and 28 days post treatment. Results showed that total prevalence of Heterakis gallinarum infection was 21.66% in native poultry of Tabriz area. Efficacy rate of ivermectin pour-on was 59.14, 87.87, 97.65 and 99.57% in 1, 7, 21 and 28 days, respectively. ER -