Comparison of effect of nicotine and levamisole and ivermectin on mortality of leech

To study the effect of different doses of nicotine on Limnatis levamisole and ivermectin. in comparison with Methods: In this interventional experimental study in July 2012, the amount of 61 mature lueseicnhge asn otif- Lliemecnha tmis enthiloodti cwae srpe eacsiseess wseedr.e Scoo ltlheactt,e da alenedc ha nwtia-sp parlaascietdic ienf ftehcet sd oisf hdersu gw ittrhe a6t0m0e mntLs tsoptrailn ogf w9a rteepr liacnadte lse ewcehre's cpoanrsaildyesriesd a fnodr edaecahth t rteiamtme ewnetr. eS irxe cdorrudge dtr eaactcmuernattse lwy efroer c7o2n0s midienr.e dA. Pivhearmrmecatcionl o(1g0i cmagl ) tarenadt mdiesntitllse din wclautedre. Dnaictao twineere ( 5a,n 1a0ly zaendd u2s0i nmg gth deo Ssiegsm),a leAvSaAm 2i ssoolfetw (a1r0e mangd), pair t-test method with less than 0.05 confidence levels. Results: The results of present study show that doses of 5, 10 and 20 mg of nicotine, with time laevvearmagies oolef 2c.a4u4依se0 .5to2 , d1e.a88th依 0o.7f 8l eaencdh e1s.5, 5a依v0e.r7a2g minign 7c.4a4u依se1. 1to2 adnedat h14 o.6f6 l依e5e.c0h9 ems.i nIv, erremspeecctitniv aenlyd. Dgriosutipll erde cweaivteinr gt r5e amtmg ennitc hoatisn eb,e ehna dr empoinrtiemdu ams atinm ien eofff edcetiavteh garnodu pth. Deraet aa raen asltyastiisst sichaolw deidff ethreant cthees among all groups (P>0.05), but there are not significant differences between treatments receiving 10 mg nicotine, with 5 and 20 mg nicotine treatments. Conclusions: It appears that nicotine compound as the effective substance of tobacco plant has tfhuetu srter.ong anti-leech