Efficacy of vitamin E+selenium and vitamin A+D+E combinations on oxidative stress induced by long-term transportation in Holstein dairy cows
2011
Aktas, Mustafa Sinan | Ozkanlar, Seckin | Karakoc, Akar | Akcay, Fatih | Ozkanlar, Yunusemre
The aim of this study was to evaluate the stress response to long-term transportation and to analyze the effects of vitamin A+D+E and vitamin E+selenium administrations on oxidative stress induced by long-term transportation in Holstein dairy cows. Control group (n=10) received 0.9% saline (placebo), Group I (n=10) received vitamin A+D+E, and Group II (n=10) received vitamin E+selenium. After the transport, adrenaline levels were high in all groups (P<0.05). Noradrenaline level was low in Group I (P<0.05) and tended to be low in Group II. Mean levels of serum cortisol decreased significantly in all groups (P<0.05) when comparing pre-transport data with post-transport data. Glucose levels increased in Control group (P<0.05) and in Groups I and II (P<0.01). The malondialdehyde level significantly increased in the Control group (P<0.05) after the transport and the levels were lower in Group I (P=0.076) and Group II (P<0.05) than in the Control group. As a result, vitamin E+selenium and vitamin A+D+E have been determined to prevent lipid peroxidation and oxidative stress, associated with long-term transportation stress in cattle.
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