بررسي فراواني تيلريوزگاوي در شهرستان شهركرد

A prevalence of theileriosis in cattle on Shahr - e - Kord Township in iran

Prevalence of theileriosis in catties on ShahreKord city in spring and summer and autumn 1380. Theileria is a protozon parasite wich infects a wide range of vertebrate including cattle and sheep and other ruminants. In the present study, 390 blood smears from catties of different regions of ShahreKord were collected. The gisma staning technique was applied for identification of schisont or piroplasma forms in the blood smear. The result indicated that, 4.9% of the cattle were positive. No significant difference was found in the prevalence of theileriosis between female and male . The highest rate of infection was observed in spring (8.65%) and among calves with to one year old (9%). The holeshtain breedwas the more infected to theilersis to other breeds with range (22.5%) and then was the more infected holeshtain / native breed with range (5 %) and in the end was infected hatire breeds with range(l%). The highest rate of infections was observed on KianShahr (11%) and the lowest rate of infection was observed on Sarteshniz (1.5%).