This study was conducted  at the Ruminants Researches Station (25 km west of Baghdad) as well as the Directorate for Agricultural Researches / Ministry of Agriculture, as from the  Reproductive laboratory at the College of Agriculture/University of  Baghdad  from 01/03/2015 to 15 / 09/2015 on sample  94 awassi dams . In order to study effect infection on production traits to growth traits , The percentage of healthy dams was 70.21%, while the proportion of ewes was 29.79% and the differences between the two were highly significant (P <0.01) The results of the current study showed that the percentage distribution of the difference between the parasite type of the sheep infected with the parasites is significantly different (P <0.05) among them. Body weights and mean weight gain were affected significantly (P <0.05) by parasite type a parasite, at birth day was the maximum means of  the weight of the lambs of  3.36 ± 0.19 kg for the lambs resulting from dams infected with more of  type parasites while lambs resulting from  infected dams Theileria came the lowest weight at birth 2.83 ± 0.15 kg The characteristics of the production of milk and the length of the milk season did not significantly affect the difference in the type of parasite in the blood of dams that had Anaplasma, Thailleria,Babesia,or multipl.