الفهرس 
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Abstract
This study aimed to identify the effect of some risk factors on prevalence of endometritis in dairy herds, assess the efficacy of Ceftiofur antibiotic in treatment of clinical endometritis, determine the efficacy of various diagnostic tests in diagnosis of subclinical endometritis and make a recommendation for a valuable field test for forecasting and screening of subclinical endometritis in herds.
A total number of 91 Holstein Friesian cows aged from 3 to 5 years and of different parities were enrolled in this study.
We used rectal examination, vaginal examination, Cytological examination, Reagent test strips, Serum analysis and treatment of clinical endometritis cases with ceftiofur.
The prevalence of CE (N= 15) is 16.48% against 37.36% for SE (N= 34). Healthy cows were distinguished from SE group by counting PMN%. Healthy cows represent the control group (N= 42 with a percentage of 46.15%). Plus, excluding 19 cows that suffered from a poor BCS, mastitis, lameness, dystocia, RFM, acute puerperal metritis, or unknown postpartum fever.
from the results, male calves contributed to more CE cases than female calves. In more detailed words, among the male parturitions there was 26.09% dams suffered from CE versus 6.67% among who gave females calves.