Selenium in poultry breeder nutrition: An update

@article{Surai2014SeleniumIP,
  title={Selenium in poultry breeder nutrition: An update},
  author={Peter F Surai and V. I. Fisinin},
  journal={Animal Feed Science and Technology},
  year={2014},
  volume={191},
  pages={1-15}
}
Selenium (Se) is shown to be an essential element for poultry nutrition and a great deal of information has been accumulated for the last 20 years indicating that dietary form of Se is a major determinant of its efficiency. Generally speaking, there are two major Se sources for poultry, namely inorganic selenium (mainly selenite or selenate) and organic selenium in the form of selenomethionine (SeMet; mainly as Se-Yeast or SeMet preparations). In this review two main areas are considered in… 
Selenium in Poultry Nutrition: from Sodium Selenite to Organic Selenium Sources
TLDR
Advantages and disadvantages of main organic Se sources for poultry (Se-yeast, SeMet, and OH-SeMet) are analyzed, and future directions for the development of new Se sources are identified.
Selenium in sow nutrition
TLDR
It was proven that replacement of sodium selenite by organic Se in the sow's diet improved Se status of newly born piglets characterised by increased Se concentrations in tissues and whole body, and increased Se concentration in piglet muscles could be considered as an important storage form of Se to be used in stress conditions.
Selenium in poultry nutrition: a review
TLDR
The present research focuses on the effects of Se on meat and egg quality, antioxidant activity of Se, effects on fatty acid levels, activity of glutathione-peroxidase, or the effect ofSe on the immune system.
Selenium in Pig Nutrition and Reproduction: Boars and Semen Quality—A Review
TLDR
Organic selenium in the form of selenomethionine provided by a range of products, including Se-Yeast and SeMet preparations is an important source of Se to better meet the needs of modern pig genotypes in commercial conditions of intensive pig production.
Revisiting Oxidative Stress and the Use of Organic Selenium in Dairy Cow Nutrition
TLDR
It has been proposed that one of the main advantages of organic Se in pig and poultry nutrition is the non-specific incorporation of SeMet into general body proteins, thus forming an endogenous Se reserve that can be utilized during periods of stress for additional synthesis of selenoproteins.
Effects of Dietary Selenium Sources on Physiological Status of Laying Hens and Production of Selenium-Enriched Eggs
TLDR
Results revealed that dietary supplementation of 2 mg/kg of Se increased egg weight, decreased feed conversion ratio, and enhanced the antioxidant capacity of eggs in laying hens relative to the control group, whereas no significant differences were observed among SS, SEY, and SEIP treatment groups for the same.
Nutritional modulation of the antioxidant capacities in poultry: the case of selenium.
TLDR
Analysis of the current data on selenium roles in antioxidant defenses in poultry clearly showed its modulatory effect at the level of breeders, developing embryos, newly hatched chicks, and postnatal chickens, and a search for most effective dietary form of organic Se is a priority in poultry nutrition.
Selenium in Livestock and Other Domestic Animals
TLDR
Recent developments in selenoprotein studies and the new roles of Se in antioxidant defenses and cell signaling have opened new areas of Se research, which have aided understanding of the application of this element to the livestock industry.
Impact of Se supplementation on the oxidation stability of eggs
Se supplementation in feed can be used to increase human Se intake, and this has showed significant progress in the area of healthy nutrition in recent years. It has been proven that the antioxidant
Effect of Microbiota-Selenoprotein on Meat Selenium Content and Meat Quality of Broiler Chickens
TLDR
Bacterial selenoprotein is more efficient than sodium selenite in increasing the breast meat Se deposition and oxidative capacity of broiler chickens, therefore, it can be effectively used to produce Se-rich meat as a functional food.
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Selenium (Se) has a special place among the feed-derived natural antioxidants, being an integral part of selenoproteins participating in the regulation of various physiological processes in the body.
Selenium in poultry nutrition 2. Reproduction, egg and meat quality and practical applications
TLDR
Dietary antioxidant supplementation in general and organic Se supplementation in particular are considered to be major protective measures for maintaining high productive and reproductive characteristics in poultry.
Turnover of Se in adequately fed chickens using Se-75 as a tracer.
TLDR
It is hypothesized that organic Se sources, such as Se-enriched yeast and wheat, could be a more suitable Se supply in animal nutrition, although information on the transition of Se fromorganic Se sources in fast-growing chickens is scarce.
The effect of dietary selenium source on embryonic development in Turkeys.
TLDR
Selenium source had no effect on the hatching rates of fertilized eggs, which reached 79.61% and 79.84% in laying hens fed organic and inorganic selenium, respectively.
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  • 2004
TLDR
It is concluded that Se-yeast from reputable manufacturers is adequately characterised, of reproducible quality, and that there is no evidence of toxicity even at levels far above the EC tolerable upper intake level of 300 μg/d.
Effect of different selenium source (sodium selenite and selenium yeast) on broiler chickens
TLDR
Chickens fed the basal diet showed lower muscle selenium content of chickens between trials 1 and 2 and Glutathione peroxidase activities in broiler chickens plasma and liver of all seenium treatment groups were significantly different.
Effect of organic selenium in quail diet on its accumulation in tissues and transfer to the progeny
TLDR
It was shown that it is possible to produce Se-enriched quail meat and eggs by adding organic selenium to the diet and it has been suggested that the maternal effect of dietary Se can be seen beyond the hatching time.
Effects of Inclusion of Selenium-Enriched Yeast in the Diet of Laying Hens on Performance, Eggshell Quality, and Selenium Tissue Deposition
TLDR
Seleniumenriched eggs and edible tissues from organic Se sources in poultry diet could improve antioxidant status in humans and reduce possible Se deficiency-related diseases.
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TLDR
Although tissue Se concentrations did not differ between hens fed SS- and SP-supplemented diets, expression patterns of genes involved in energy production and protein synthesis pathways differed between treatments, which may partially explain the differences in reproductive performance reported in hens feeding different forms of Se.
The selenium intake of the female chicken influences the selenium status of her progeny.
TLDR
The effects of maternal Se supplementation persist in the progeny for several weeks after hatching, however, when chicks hatching from low-Se eggs were placed on a high Se diet, their tissue Se concentrations at 7 days of age were markedly higher than the values in chicks from high- Se eggs placed on the low- Se diet.
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