بررسي تنوع گونه اي و تغييرات فصلي كنه هاي موجود در بزهاي استان زنجان

Study on goats tick fauna and seasonal variations of tick population in Zanjan province

Thepresertnvestigataw^ the tick species of goals, reared in cities of Zanjan province, km October2006 (Mehr 1386) to September2007 (Shahrivar 1386). Seasonal variation of tick population and tick species surface were also searched. Overal 1800goats of both sexes were examined for lick infestation from 7 cities and their suburbs in Zanjan province. The results were statistically analyzed by infestation, the results revealed 106(5.89/)goatswerenfestedby ticks. The highest percentage of the goat tick infestation was observed during june 2007 (KhorcJad1386), while the lowest percentage was observed dung Febiay2006(Bahman1385). There was a significant difference (p<0.005)in the tick population of goats during the seasons and months of the year under study ou t of405 tid