CRYOPROTECTIVE EFFICACY OF LOCAL FRIESIAN BULL’S SPERMATOZOA USING TRIS-EXTENDER ENRICHED WITH NATURAL OR SYNTHETIC ANTIOXIDANTS

Document Type : Original Article

Author

• Y. S. Hussein

Biotechnology Research Department, Animal Production Research Institution, Dokki, P. O. Box 443, 23221, Giza, Egypt

Keywords

• Friesian bulls
• semen extender
• antioxidants
• L-Carnitine
• Ubiquinone-10
• N-Acetyl-L-Cysteine