The Effect of Estrous Cycle on Oxidant and Antioxidant Parameters in Dairy Cows

Aydılek, Nurettın; Varışlı, Ömer; Selek, Sahabettın; Korkmaz, Ömer; Atlı, Mehmet Osman; Taşkın, Abdullah

doi:10.9775/kvfd.2014.10947

Cited by 11 publications

(13 citation statements)

References 20 publications

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“…For example, Aksu et al [22] conducted a study on cows in which the use of CIDR in the synchronization protocol resulted in higher MDA levels than in those cows for which the devices were not used. Other studies conducted on cattle found that TAC and TOC levels were higher during the period of the cycle which had high progesterone levels than they were during the estrus period [3,23] . It has also been reported that estrogen and progesterone can affect OS parameters in the body [2] .…”

Section: Introductionmentioning

confidence: 83%

“…Aydilek et al [3] conducted a study in which they attempted to measure TAC and TOC levels at various points of the reproductive cycle in cows. The study identified an increase in both factors during the estrus period.…”

Section: Discussionmentioning

confidence: 99%

“…The body consists of about 1-2% ROM, which play a role in many body activities [1] . These metabolites are found in low concentrations and play a role in functions such as protein phosphorylation, cell maturation, apoptosis, oocyte maturation, steroidogenesis, cell immunity, ovulation, implantation, blastocyst formation, luteolysis, acrosome reactions, fertilization and luteal maintenance during pregnancy [1][2][3][4] . However, when ROM is produced in large amounts in an organism, it causes damage to lipids, protein and DNA in the cell, resulting in the loss of cell functions.…”

Section: Introductionmentioning

confidence: 99%

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Kısa Süreli PRID Uygulanan Düvelerde Bazı Oksidatif Stres Parametrelerinin Değerlendirilmesi

Oral¹,

Öğün²,

Kuru³

et al. 2015

Kafkas Univ Vet Fak Derg

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The purpose of this study was to investigate the effect of short term administration of PRID on the levels of serum progesterone, nitric oxide (NO), malondialdehyde (MDA), total antioxidant capacity (TAC) and total oxidant capacity (TOC) in heifers. This purpose, 200 heifers were synchronized with the Cosynch-72 protocol in which progesterone was administered for 5 days. Blood was taken from the heifers 10 days prior to starting synchronization (day -10), the day the PRID was attached (day 0), the day the PRID was removed (day 5) and on the day of insemination (day 8). Blood taken on day -10 and day 0 were accepted as control values for the study. Serum progesterone, NO, MDA, TAC and TOC were measured on days 5 and 8. The difference in serum NO and MDA levels was found to be statistically significant on day 5 of the study (P<0.001). It was determined that the procedure caused a drop in the TAC level, while the TOC level was not affected. In conclusion, it was determined that short-term administration of PRID in heifers caused an increase in serum NO and MDA levels, a decrease in TAC level and had no effect on the TOC level. Keywords: Heifer, Nitric oxide, Oxidative Stress, PRID Kısa Süreli PRID Uygulanan Düvelerde Bazı Oksidatif Stres Parametrelerinin Değerlendirilmesi ÖzetBu çalışmada, düvelere kısa süreli PRID uygulamasının; serum progesteron, nitrik oksit (NO), malondialdehit (MDA), total antioksidant (TAK) ve oksidant kapasitesi (TOK) düzeyleri üzerine etkisinin araştırılması amaçlanmıştır. Bu amaçla, 200 adet düve 5 gün progesteron uygulanan Cosynch-72 protokolüyle senkronize edildi. Düvelerden senkronizasyona başlamadan 10 gün önce (-10. gün), PRID takılma günü (0. gün), PRID çıkarılma günü (5. gün) ve tohumlama günü (8. gün) kan alındı. Çalışmada -10 ve 0. gün alınan kanlar kontrol olarak değerlendirildi. Beş ve 8. günlerde serum progesteron, NO, MDA, TAK ve TOK değerleri araştırıldı. Çalışmada 5. gün serum NO ve MDA düzeyleri diğer günlerden istatistiksel olarak farklı olduğu tespit edildi (P<0,001). Uygulamanın TAK düzeyinde düşmeye neden olduğu, TOK değerini ise etkilemediği belirlendi. Sonuç olarak, düvelere kısa süreli PRID uygulamasının serum NO ve MDA düzeylerinde artışa neden olduğu, TAK düzeyinde düşmeye ve TOK değerini ise etkilemediği belirlendi.

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Section: Introductionmentioning

confidence: 83%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Kısa Süreli PRID Uygulanan Düvelerde Bazı Oksidatif Stres Parametrelerinin Değerlendirilmesi

Oral¹,

Öğün²,

Kuru³

et al. 2015

Kafkas Univ Vet Fak Derg

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“…The highest RT was in phase IV, while the lowest was in phase II, and there was a significant interaction between estrus phases and hot conditions to exert this significant amendment. The estrous cycle is related to many physiological, metabolic, and hormonal variations (Aydilek et al, 2014), leading to diverse changes according to the estrus stage. The rise in RT during phase IV compared with phase II is explained by the corpus luteum that is fully functional during this stage and the increase in blood concentration of some hormones.…”

Section: Discussionmentioning

confidence: 99%

Evaluation of some oxidative-stress and antioxidant markers in goats during estrous cycle under Egyptian environmental conditions

Teama

2018

R. Bras. Zootec.

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The objective of this study was to explore the impact of thermal stress on hormonal level and antioxidant activity in goats during various phases of the estrous cycle in the Egyptian summer. Forty cycling does were allocated to two groups (20 animals each) divided by season (mild/hot). Daily meteorological, rectal temperature, and respiratory rate data were recorded in the two seasons. The estrous cycle of the goats was synchronized by two intramuscular injections of 5 mg of prostaglandin F2α (PGF2α) at 11-day intervals. Blood samples were collected every two days and the levels of total antioxidant, malondialdehyde, and β-carotene were estimated. Total protein, albumin, cholesterol, triglycerides, progesterone, and thyroxine (T 4) hormones were additionally measured in the serum of the collected samples. Under hot circumstances, both rectal temperature and respiratory rate increased considerably, with significant variation during the different stages of the estrous cycle. On the other hand, serum level of total protein, albumin, cholesterol, and triglycerides reduced significantly in animals in the hot environment, particularly during the luteal period of the estrous cycle (IV). During the Egyptian hot summer, the serum level of progesterone and T 4 hormones declined in phases II and IV of the estrous cycle for progesterone and T 4 , respectively. Moreover, the serum content of all oxidative stress markers tested (total antioxidant, β-carotene, and malondialdehyde) decreased considerably, especially in estrous cycle phase II in the hot environment. The Egyptian environmental conditions have detrimental effects on some antioxidant agents and some biochemical parameters throughout the estrous cycle of goats.

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“…Oxidative and antioxidative parameters were measured in the tissue samples using the Aeroset automated analyzer (Abbott, IL, USA) and a spectrophotometer (Cecil 3000, Cambridge, UK). The lipid hydroperoxide level (LOOH) was evaluated by the fluorometric method based on the reaction between malondialdehyde (MDA) and thiobarbituric acid [18]. All analyses were made in the Biochemistry Laboratory of the Faculty of Medicine at Harran University.…”

Section: Analyses Of Oxidant and Antioxidant Parametersmentioning

confidence: 99%

The comparing of homogenization methods for oxidative and antioxidative analyses of sperm

Varışlı¹,

Akyol²

2019

Turk J Vet Anim Sci

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Pretreatment of sperm for oxidative and antioxidative analysis has been shown to be different in studies. These differences can affect the result of analyses. The aim of this study was to compare the analyses of sperm homogenization methods. The semen of four rams were used in the study. Pretreatment procedures included the rotary, bead, and ultrasonic homogenization methods. Oxidative and antioxidative status of sperm samples was assessed by measuring serum lipid hydroperoxide, total oxidant status, free sulfhydryl groups (SH total thiol), ceruloplasmin, and total antioxidant capacity levels. As a result, the homogenization methods before oxidative and antioxidative status analyses significantly affected the result (P < 0.05), and the ultrasonic homogenization method was the most effective. It is recommended to use the ultrasonic homogenization as a pretreatment method to determine the oxidative and antioxidative status analyses in sperm.

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The Effect of Estrous Cycle on Oxidant and Antioxidant Parameters in Dairy Cows

Cited by 11 publications

References 20 publications

Kısa Süreli PRID Uygulanan Düvelerde Bazı Oksidatif Stres Parametrelerinin Değerlendirilmesi

Kısa Süreli PRID Uygulanan Düvelerde Bazı Oksidatif Stres Parametrelerinin Değerlendirilmesi

Evaluation of some oxidative-stress and antioxidant markers in goats during estrous cycle under Egyptian environmental conditions

The comparing of homogenization methods for oxidative and antioxidative analyses of sperm

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