Effect D-Aspartic amino acid injection on some characteristics of semen in Shami Goats

This study was conducted with the aim of showing effect injecting D-Aspartic acid on characteristics semen, for Period 15/7/2021 until 15/10/2021 in animal farm/ Ruminant Hall Animal Production Department /College Agriculture / University Diyala. include 12 male Shami goat aged (1-1.3) years, an average weight (35-38) kg, were divided randomly to four equal groups (3/ group): first a control group (without injection) (T1), while second (T2), third (T3) and fourth (T4) injected intramuscular D- Aspartic Acid concentration 125, 250 375 mg /48 hour. Semen collected by artificial vagina ،three times during study. The results showed that injection led highly significant increase (p<0.01) individual motility, Mass live spermatozoa percentage, Dead ratio, sperm concentration, abnormal percentage. There effects (p<0.05) motility sperm, where T4 T3 superior T1 T2. A also found T2 T1.