Popis: |
The effects of pyridoxine alone or combined with different antioxidants on viability and oxidative stress parameters of cryopreserved sperm of goat bucks were studied. Pooled semen samples diluted with tris-egg yolk extenders were supplemented in the Study I: with 0, 2, 4, 6 and 8 mM of pyridoxine; in the study II with 2 mM of pyridoxine (P) each combined with different concentrations (0, 2, 4, 6 and 8 mM) of vitamin E (PE), vitamin C (PC) and melatonin (PM); and in study III: with 2 mM of pyridoxine each supplemented with different combinations of vitamin C, vitamin E and melatonin (PCEM) each at different concentrations (0, 2, 4, 6 and 8 mM). The results showed higher (p |