Influence of Selenium on the Morphology of Immune System Organs in Healthy Broilers

Korzeniowska, Małgorzata; Madej, Janusz A.; Stefaniak, Tadeusz; Kopeć, Wiesław

doi:10.2478/acve-2019-0032

Cited by 8 publications

(3 citation statements)

References 16 publications

(20 reference statements)

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“…However, the enlarged heart of DHQ fed birds is difficult to explain without further pathological and anatomical investigation. Korzeniowska et al (2019) did not find differences between the relative weight of the spleen in birds fed selenium as an antioxidant. Khan et al (2010) reported an increase in the relative weight of liver of hens with aflatoxicosis.…”

Section: Growth Performance and Relative Organ Weightsmentioning

confidence: 58%

Feeding dihydroquercetin and vitamin E to broiler chickens reared at standard and high ambient temperatures

Pirgozliev

Mansbridge

Westbrook

et al. 2020

Archives of Animal Nutrition

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The use of natural antioxidants, in particular polyphenols such as dihydroquercetin (DHQ), in animal nutrition have recently increased in popularity. This may partly be due to the risk of increased incidences of heat stress associated with raising livestock in warmer ambient temperatures, facilitated by global warming, reducing antioxidant capacity. The current research demonstrates the effect of dietary DHQ, vitamin E and standard or high ambient temperatures on growth performance, energy and nutrient metabolism, gastrointestinal tract development (GIT), jejunal villus morphometry and antioxidant status in broiler chickens. Each of the four experimental diets were fed to 16 pens of five birds, which were allocated to four rooms (four pens in each room). The temperature in two rooms was maintained at a constant 35 °C (high temperature; HT), and the temperature in the other two rooms was gradually reduced from 27 °C at 7d of age to 22 °C at 20d of age (standard temperature; ST). Rearing birds at HT reduced: feed intake, weight gain, weight of small intestine, total GIT, liver, spleen, heart, villus height, villus surface area and lowered blood glutationperoxidase (GSH-Px).Dietary DHQ increased blood GSH-Px and total antioxidant status, increased heart weight and reduced caecal size. When fed separately, DHQ and vitamin E improved hepatic vitamin E concentration. Feeding vitamin E increased spleen and liver weights. When fed together, DHQ and vitamin E reduced villus height, villus height to crypt depth ratio and villus surface area.Temperature and antioxidants did not affect energy and nutrient metabolism. There were no effects of dietary antioxidants on growth performance of broiler chickens and there were no mortalities. At present it is unclear if feeding antioxidants (in particular DHQ) at different levels, using different dietary formulations, and rearing birds under a range of environmental conditions may be effective at enhancing production performance and bird health in hot ambient climates.

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Section: Growth Performance and Relative Organ Weightsmentioning

confidence: 58%

Feeding dihydroquercetin and vitamin E to broiler chickens reared at standard and high ambient temperatures

Pirgozliev

Mansbridge

Westbrook

et al. 2020

Archives of Animal Nutrition

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“…Moreover, Se is not only essential for humans but also animals and poultry [16,17]. It was found that the level of 0.25 mg kg −1 diet of organic Se was adequate to enrich eggs [17].…”

Section: Introductionmentioning

confidence: 99%

Effects of Selenium Fertilizer Application on Yield and Selenium Accumulation Characteristics of Different Japonica Rice Varieties

Yan

Chen

Zhu³

et al. 2021

Sustainability

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In this study, three japonica rice varieties—Nanjing 9108, Jiahua 1 and Wuyunjing 29—were supplied with different levels of nano-foliar selenium fertilizers (0, 40 and 80 kg Se ha−1) under field conditions. Their rice yield and absorption, accumulation, transportation and utilization of selenium were studied to find suitable selenium-rich rice cultivars and optimal selenium supply levels, while providing references for the development of selenium-rich rice. On an average basis, the Nanjing 9108, Jiahua 1 and Wuyunjing 29 yielded 8755 ± 190, 8200 ± 317 and 9098 ± 72.7 kg ha−1, respectively. The selenium content in polished rice of the three rice varieties is between 0.210 and 0.933 mg kg−1. When 40 g Se ha−1 nano-selenium fertilizer was used, the selenium accumulation in the shoots of Nanjing 9108, Jiahua 1 and Wuyunjing 29 was, respectively, 11.4 g Se ha−1, 12.3 g Se ha−1 and 12.2 g Se ha−1, and when 80 g Se ha−1 selenium fertilizer was applied, the total selenium accumulation of three rice varieties was, respectively, 2.45, 1.75 and 2.40 times that of 40 g Se ha−1 selenium fertilizer. No evident diversity was observed in the selenium transport coefficient and the apparent utilization rate of selenium among the three varieties. The three rice varieties in this experiment had a strong selenium enrichment capacity, and they could be planted as selenium-enriched and high-yield rice varieties. Further, the amount of selenium fertilizer should not exceed 40 g Se ha−1.

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“…In addition to this, GPx enables the reparation of complex molecules (e.g. cell membrane lipids) [21]. The specifi c structure of sperm cell plasma membrane, which is rich in unsaturated fatty acids, is targeted by free radicals, which points to the importance of GPx in the protection from damage caused by peroxides.…”

Section: Introductionmentioning

confidence: 99%

The Effects of Antioxidants Provided with Feed on Certain Quality Parameters of Bull Semen Under Heat Stress Conditions

et al. 2020

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The aim of the current research was to assess the effects of the feed additive made of lyophilised melon juice (source of superoxide dismutase, SOD) and inactivated live Saccharomyces cerevisiae (strain R397) cells added to the feed via the product containing high levels of organically bound selenium (source of selenium-dependant glutathione peroxidase, Se-GPx) on the semen quality of bulls in heat stress conditions. The 15 bulls chosen for the experiment were assigned to three equal groups (control –group C; treated group M, given the source of SOD; and group A, treated with the source of Se-GPx). The research was conducted in summer. The activities of SOD and Se-GPx in seminal plasma were determined spectrophotometrically. Computer-assisted semen analysis was done to determine the sperm counts, motility and velocity. The temperature and humidity were recorded with a digital data logger.The average SOD activity in the control bulls was significantly lower than in M (p<0.001) and A (p<0.001), whilst the average activities in the treated groups did not differ significantly (p=0.784). Higher average SOD activity compared to the control in the treated groups showed that both feed additives increased the antioxidative capacity of the seminal fluid. The average GPx activity in the control was significantly lower than in groups A (p=0.001) and M (p=0.005), whilst the two treatments did not lead to significantly different results (p=0.701). The analysis of relations between the activity of each enzyme and sperm motility and progressive motility in each of the bulls failed to detect a significant correlation. The analysis of the relation between THI (temperature-humidity index) and the activity of the antioxidative enzymes revealed that the increase in THI coincided with the decrease in the SOD activity in the control group, but with its increase in the treated groups (p>0.05). In all of the three groups with the increase in THI there was an increase in GPx activity (p>0.05). It can be concluded that in all of the three groups of bulls there was an increase in the activity of both enzymes in the seminal plasma, but the increase was significantly lower in the control. Thus, the antioxidative capacity of the seminal plasma of untreated bulls was proven to be lower in comparison with those of the treated animals.

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Influence of Selenium on the Morphology of Immune System Organs in Healthy Broilers

Cited by 8 publications

References 16 publications

Feeding dihydroquercetin and vitamin E to broiler chickens reared at standard and high ambient temperatures

Feeding dihydroquercetin and vitamin E to broiler chickens reared at standard and high ambient temperatures

Effects of Selenium Fertilizer Application on Yield and Selenium Accumulation Characteristics of Different Japonica Rice Varieties

The Effects of Antioxidants Provided with Feed on Certain Quality Parameters of Bull Semen Under Heat Stress Conditions

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