الأسم/ محمد احمد محمد قنديل Mohamed Ahmed Mohamed Kandeil الرقم القومي:26311232200212 المسمي الوظيفي: استذ ورئيس قسم الكيمياء الحيويه Prof and head of biochemistry department العنوان: فيلا 55 الحي الأول المجاوره 3 شرق النيل ت 01145933217

Research Abstract

Summary of master thesis The present study aimed to determination of adenosine triphosphate ( ATP) content of bull semen and its correlation with different criteria. Semen samples were collected from 15 mature Friesian bulls kept in Artificial Insemination Center in Beni-Suef Governorate. A total of 60 samples were collected and according to the motility percentage they were classified into three groups Samples were subjected to the determination of some physical properties ( pH, individual motility and sperm density) as well as estimation of some biochemical parameters ( ATP, pyruvate , fructose, citric acid , calcium and inorganic phosphorous). The results showed that: I- Physical characteristics: 1- There were no significant differences in pH. 2- There was a significant differences in sperm density between three groups. II- Biochemical characteristics of semen samples 1- There was a significant difference in ATP content in whole semen between there groups. 2-There was a high positive correlation between ATP contents of spermatozoa with individual motility percent in three different groups. Moreover there was a positive correlation between ATP contents of spermatozoa with citric acid, fructose and inorganic phosphorous concentration. 3- There were significant differences in pyruvic acid , citric acid , calcium and phosphorous concentration between different groups.

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