Effect of preserving substances on the short-term storage of sturgeon sperm

Abstract

To increase the antioxidant activity, drugs that has the following Properties are used: tartaric acid, citric acid, ascorbic acid, boric acid, zinc and some others. When comparing the influence of these substances on the preservation of sperm, maximum effect exerted tartaric acid, boric acid and zinc. By adding these substances in sperm serum, it extends the shelf life of sperm to 20-30 days. Addition   of boric acid (at concentrations 250–100 mg/L) was influenced by the concentration of protozoa parasites reducing them to 100 times compared with the tartaric acid, zinc and 1000 times - compared to a control group, what contributed to percentage increase and mobility of spermatozoa.