دراسة وبائية و تشخيصية لطفيلي دودة الكبد العملاقة Fasciola gigantica في الجاموس باستعمال تقنية ال PCR في محافظة ذي قار

الملخص EN

The present study includes epidemiological survey for giant liver fluke parasite Fasciola gigantica in immolated buffaloes in slaughter house of Nasirriya city in Thi-Qar Province.

The period of study extends from the beginning August 2008 up to end of July 2009.

A total of 323 buffaloes were examined with percentage of whole infection 142(43.96%) and intensity of whole infection 17.5.

The highest percentage for whole infection in buffaloes is in November 71.43 % and the least one is recorded in August 23.53 %, while the highest intensity of infection is recorded in April 47.91 and their least was in August 5.25 and the significant difference (P<0.01) is found in percentage and intensity of infection in buffaloes during the month of the year.

The rate of liver infection percentage in buffaloes 43.96 % is higher than rate of gallbladder infection percentage 7.12 % in all the months of the year.

Significant differences are observed in the percentage of infection in both liver and gallbladder during the months of the year (P<0.01).

The infection intensity of liver in buffaloes is higher from gallbladder infection intensity in all months of the year with significant differences (P<0.01) except April and May.The age has an influence on the percentage and intensity of infection in buffaloes.

The percentage and intensity of infection is distinguished significantly in buffaloes with a difference of aged groups (P<0.01) and buffaloes infection is recorded high in ages older than 4 years (73.08 %) and intensity of infection 19.83 while the buffaloes with age less than one year record a low percentage and intensity of infection 1.19 % and 5 respectively.

The percentage of infection in females of buffaloes 57.02 % is distinguished significantly with difference of sex compared with males 9.09 % .