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AJVS. 2017; 55(2): 154-161 Preovulatory Dominant Follicular Size and Serum Nitric Oxide Can Predicate the Conception Rate after Foaling Heat in Straight Egyptian Arabian MaresMohammed A. Elmetwally, Mohamed Ali M. El-Adl, Basma H. Marghani, Hossam E. Ali, Wael B. El-Domany, Samy M. Zaabel. Abstract | | | | Postpartum heat is very important for ability of mares to conceive. The present study aimed to evaluate ovarian changes and its relation to oxidative stress during early postpartum period in Arabian horses. Further, the predication of conception according to the relationship between sonographic and biochemical changes analyses. Ultrasound imaging of follicular changes and oxidative analyses changes were investigated at day 7-9 postpartum whereas Receiver Operating Characteristic (ROC) curves were used to determine the ability of oxidative stress and ultrasound imaging to predict the conception rate. ROC analyses indicated that nitric oxide predicate the conception rate with sensitivity (79% P
Key words: Arabian horse, dominant follicle, nitric oxide, alkaline phosphatase
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