The aim of the research was to evaluate the effectiveness of adding different concentrations of glutamine (25 and 50 mmol / ml), proline (25 and 50 mmol / mol) and vitamin B12 (2.5 and 5 mg / ml) to an extension solution (sodium citrate and glucose with egg yolk prepared in the laboratory, And comparing it with a ready-made commercial extension solution Andromed as a standard solution in preserving semen in male Shami goats.