The present study was undertaken to assess the effect of dietary supplementation of Tinospora cordifolia on physico-morphological, biochemical, antioxidant profiles and serum testosterone concentration in Muzzafarnagari rams. Twelve rams were randomly divided into two groups, control (n=6) and supplemental (n=6) group. The control group was fed with a diet satisfying NRC recommendations whereas the supplemental group was fed with T. cordifolia at the rate of 1g/kg body weight for 6 months. The semen samples were collected 60 days post-feeding. The result revealed that T. cordifolia supplementation did not have a significant effect on physico-morphological, biochemical attributes of semen and serum testosterone concentrations in rams. The concentration of cholesterol, superoxide dismutase (SOD) and catalase were, however, increased (P<0.05) in seminal plasma. It was concluded that the possible protective effects of T. cordifolia supplementation were enhancing antioxidant enzymes and cholesterol concentrations in semen which may be protected the spermatozoa during cryopreservation and thus enhancing fertility in farm animals.
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