2017
DOI: 10.1590/s0100-736x2017001200008
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Oxidative state of ewes with different number of parity during gestation and lactation

Abstract: This study was conducted to assess the changes in some indicators of oxidative status during pregnancy and lactation in sheep of different parity. Dorset x Suffolk ewes were classified by number of parity: 1, 2 and ≥4. They were sampled before pregnancy and on the first, second, third, and fourth months, then on day 143 of pregnancy, as well as on day 5 after birth and after one month of lactation. Antioxidant capacity was found to have two reductions, the first during the second month of pregnancy and the sec… Show more

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Cited by 9 publications
(7 citation statements)
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“…In addition to enzymatic antioxidants, the current results showed a significant decrease in the level of GSH in ewes after two weeks from lambing, which came in agreement with another study conducted on ewes (Rios et al, 2017) and cows (Khudhair et al, 2021). Many cells produce GSH as a primary antioxidant for neutralizing ROS through its associated enzymes, like peroxidase, reductase, and transferase (Ghosh et al, 2015;Cruz et al, 2014).…”
Section: Resultssupporting
confidence: 93%
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“…In addition to enzymatic antioxidants, the current results showed a significant decrease in the level of GSH in ewes after two weeks from lambing, which came in agreement with another study conducted on ewes (Rios et al, 2017) and cows (Khudhair et al, 2021). Many cells produce GSH as a primary antioxidant for neutralizing ROS through its associated enzymes, like peroxidase, reductase, and transferase (Ghosh et al, 2015;Cruz et al, 2014).…”
Section: Resultssupporting
confidence: 93%
“…The current study ob-served an apparent decline in the activity of antioxidant enzymes, especially catalase, and SOD, which agrees with many researchers that involved animal parturition (Khudhair et al, 2021). Catalase and SOD are regarded as essential antioxidant enzymes that neutralize the oxidation processes that occur during stress factors (Rios et al, 2017;Al-Hassan et al, 2016;Nawito et al, 2016). A stress factor occurred during parturition, which started with the fetus completing the delivery process (Erişir et al, 2009).…”
Section: Resultsmentioning
confidence: 99%
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“…Research shows that curcumin added to dairy products provides increased antioxidant potential with a consequent improvement in storage stability. The antiinflammatory and antioxidant actions of curcumin already benefit the health of the sheep in this initial period of lactation and reduce somatic cell count (SCC) in the milk when the lactating sheep may experience metabolic disturbances and oxidative stress (Salinas-Rios et al 2017;Jaguezeski et al 2018).…”
Section: Discussionmentioning
confidence: 99%