Effect of vitamin E and selenium supplementation on oxidative stress indices and cortisol level in blood in water buffaloes during pregnancy and early postpartum period

Abstract

Pregnancy is a physiology state accompanied by high energy and oxygen demand that may lead to increased level of oxidative stress and development of metabolic and reproductive disorders in pregnant water buffaloes. In the present study, the alterations in serum cortisol and erythrocyte lipid peroxides and superoxide dismutase activities were examined in 28 pregnant water buffaloes supplemented with antioxidant nutrients, Vitamin E and selenium. Another 14 buffaloes did not receive any treatment during pregnancy to serve as negative control. Results of the present study suggested that pregnancy is associated with oxidative stress and supplementation of vitamin E and selenium may be beneficial by alleviating oxidative stress in water buffaloes.

The effects of high temperature and wallow on physiological responses of swamp buffaloes (Bubalus bubalis) during winter season in Thailand

“…Plasma cortisol concentrations have been used as physiological markers of stress (Megahed et al, 2008;Liu et al, 2010) in both cattle (Christison and Johnson, 1972;Chaiyabutr et al, 2008) and swamp buffalo (Zhengkang et al, 1994;Dimri et al, 2010). The thyroid controls heat production and body temperature regulation, and high ambient temperature markedly suppresses the thyroid hormone resulting in low feed intake.…”

Effect of yeast-based selenium on blood progesterone, metabolites and milk yield in Achai dairy cows

“…Antioxidant activity of Se is mainly based upon reducing capability of selenoproteins which include glutathione peroxidase and thioredoxin reductase families (Sordillo et al 2009). So Se supplementation reduces oxidative stress and plasma cortisol level (Dimri et al 2010). In the current study, 0.3 mg did not show any significant effect on the level of cortisol compared to the control.…”

Improved milk production through PG–PL system by provision of in‐house shelter management in lactating Murrah buffaloes during winter season

“…It fluctuates in response to a number of different variables, apart from ACTH levels, including psychological and physiological stress like hypoglycaemia, illness, fever, trauma, pain, fear, physical exertion or extremes of ambient temperature. Hence, plasma cortisol concentrations have been used as physiological markers of stress (Megahed et al., ; Liu et al., ) in both cattle (Chaiyabutr et al., ) and swamp buffalo (Zhengkang et al., ; Dimri et al., ; Haque et al., 2012a). Significant higher level cortisol in cold stressed animals is corroborated with previous findings of Titto et al.…”