The study was carried out in Kirkuk official slaughter house for the period from the beginning of July 2009 to end of June 2010. Macroscopic examination was performed to demonstrate the distribution of hydatid cyst, fascioliasis, lung worms, pneumonia and hepatitis and their impact on economic losses in the governorate. The number of animals slaughtered during the period of study was: sheep 50518, cattle 16177, goats 7662, buffalos 48 and camels 24. In sheep, the rate of hydatid cysts was 0.77%, with the highest rate was in autumn; liver flukes 0.36% with the highest rate in summer 0.33%; lung worms 0.19%, the highest was in winter 0.27%; pneumonia 0.58%, the highest was in summer 0.74% and hepatitis was 0.32%, the highest was in winter 0.42%. In cattle, the rate of hydatid cysts was 1.70%, the highest was in summer1.65%; liver fluke 1.27%, the highest was in winter 1.57%; lung worms 0.71%, the highest was in spring 0.94%; pneumonia 0.79%, the highest was in summer 0.88% and hepatitis 1.12%, the highest was in summer 1.16%. In goats, no hydatid cysts were seen; the rate of liver fluke was 0.14%, with the highest rate was in winter 0.51%; lung worms was 0.03% and only seen in winter and autumn; pneumonia 0.14%, the highest was in summer 0.25%; hepatitis 0.05% and only seen in summer and autumn. In buffaloes and camels, only 1 case of fascioliasis was seen for each in spring. The economic losses due to condemnation of organs of infected animals in Iraqi diners was: Sheep 4.840.00 millions, cattle 5.434.000 millions and goats 156.000 thousands. The overall economic losses were 10.430.000 Iraqi diners.