The role of endometrial biopsy in diagnosis of equine endometritis

Document Type : Original Article

Authors

Animal Reproduction Research Institute Fac. Vet. Med., Beni-Suef University Theriogenology Depart.

Abstract

Endometritis is one of the biggest problems affecting horses after colic and lameness. The current study was carried out on [5 mares (4-19 years old) of Straight Egyptian Arabian mares located in different 4 private farms. The study emphasized on the diagnosis of endometritis using endometrial biopsy interpretation. The results of the study showed endometrial changes that were graded into 4 grades, GI, GILA, GIIB and GIII. GI showed minimal endometrial changes such as edema, slight inflammatory cells infiltration. GIIA showed mild endometrial changes in the lamina propria such as moderate edema, mononuclear cells infiltration, congested blood vessels and areas of sloughed epitheliaium of the endometrium. GIIB showed moderate endometrial changes in the lamina propria such as marked edema, focal areas of hemorrhage, eosinophilic and mononuclear cells infiltration, cystic diltation of endometrial glands and periglandular fibrosis. GIII showed severe chronic degenerative changes such as focal infiltration of mononuclear cells (lymphocytes and macrophges), glandular cystic dilatation, marked periglandular fibrosis, glandular nesting, and vacuolar degeneration of the lining epithelium of endometrial glands. The conception rate for the 4 groups was 100%, 75%, 33.3% and 0%, respectively. In the current study there was a positive relationship between the progress of the mare age and the degree of endometrial changes i.e the degree increase with the age and a negative relationship with conception rate. 

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