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Selenium in Animal Nutrition: Deficiencies in Soils and Forages, Requirements, Supplementation and Toxicity

Received: 27 October 2016    Accepted: 11 November 2016    Published: 27 December 2016
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Abstract

Selenium (Se), an essential nutrient for animals and humans, occurs as selenoproteins in enzymes. It is very important in animal nutrition because it functions as an anti-oxidant assisted by vitamin E. Se deficiency is a major problem which can be reduced or prevented by supplementation with inorganic or organic sources of Se. However, excessive supplementation and consumption of Se accumulating plants may lead to Se toxicity and animal poisoning. Minimal lethal dose for animals range between 1.5 to 8 mg kg-1 Se live body weight and maximum tolerable concentration of Se in forages is 5 mg kg-1. Se deficiency in animals also depends greatly on Se content of forages and soils. Se deficient soils contain less than 0.6 mg kg-1 and can be fertilized to increase Se content of forages or pastures for animals. Forages are classified as adequate, marginally deficient and deficient in Se and contain 0.2, 0.1-0.199 and <0.1 mg kg-1Se respectively. Silages can also be fortified with selenium to meet the requirements for Se in animals. The requirements of Se for animals need to be met to provide adequate animal and human nutrition.

Published in International Journal of Applied Agricultural Sciences (Volume 2, Issue 6)
DOI 10.11648/j.ijaas.20160206.15
Page(s) 112-125
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

Selenium, Forages, Selenium Supplementation, Selenium Deficiency, Anti-oxidant, Selenium Toxicity

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    Uttam Saha, Abioye Fayiga, Dennis Hancock, Leticia Sonon. (2016). Selenium in Animal Nutrition: Deficiencies in Soils and Forages, Requirements, Supplementation and Toxicity. International Journal of Applied Agricultural Sciences, 2(6), 112-125. https://doi.org/10.11648/j.ijaas.20160206.15

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    Uttam Saha; Abioye Fayiga; Dennis Hancock; Leticia Sonon. Selenium in Animal Nutrition: Deficiencies in Soils and Forages, Requirements, Supplementation and Toxicity. Int. J. Appl. Agric. Sci. 2016, 2(6), 112-125. doi: 10.11648/j.ijaas.20160206.15

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    AMA Style

    Uttam Saha, Abioye Fayiga, Dennis Hancock, Leticia Sonon. Selenium in Animal Nutrition: Deficiencies in Soils and Forages, Requirements, Supplementation and Toxicity. Int J Appl Agric Sci. 2016;2(6):112-125. doi: 10.11648/j.ijaas.20160206.15

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  • @article{10.11648/j.ijaas.20160206.15,
      author = {Uttam Saha and Abioye Fayiga and Dennis Hancock and Leticia Sonon},
      title = {Selenium in Animal Nutrition: Deficiencies in Soils and Forages, Requirements, Supplementation and Toxicity},
      journal = {International Journal of Applied Agricultural Sciences},
      volume = {2},
      number = {6},
      pages = {112-125},
      doi = {10.11648/j.ijaas.20160206.15},
      url = {https://doi.org/10.11648/j.ijaas.20160206.15},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijaas.20160206.15},
      abstract = {Selenium (Se), an essential nutrient for animals and humans, occurs as selenoproteins in enzymes. It is very important in animal nutrition because it functions as an anti-oxidant assisted by vitamin E. Se deficiency is a major problem which can be reduced or prevented by supplementation with inorganic or organic sources of Se. However, excessive supplementation and consumption of Se accumulating plants may lead to Se toxicity and animal poisoning. Minimal lethal dose for animals range between 1.5 to 8 mg kg-1 Se live body weight and maximum tolerable concentration of Se in forages is 5 mg kg-1. Se deficiency in animals also depends greatly on Se content of forages and soils. Se deficient soils contain less than 0.6 mg kg-1 and can be fertilized to increase Se content of forages or pastures for animals. Forages are classified as adequate, marginally deficient and deficient in Se and contain 0.2, 0.1-0.199 and <0.1 mg kg-1Se respectively. Silages can also be fortified with selenium to meet the requirements for Se in animals. The requirements of Se for animals need to be met to provide adequate animal and human nutrition.},
     year = {2016}
    }
    

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  • TY  - JOUR
    T1  - Selenium in Animal Nutrition: Deficiencies in Soils and Forages, Requirements, Supplementation and Toxicity
    AU  - Uttam Saha
    AU  - Abioye Fayiga
    AU  - Dennis Hancock
    AU  - Leticia Sonon
    Y1  - 2016/12/27
    PY  - 2016
    N1  - https://doi.org/10.11648/j.ijaas.20160206.15
    DO  - 10.11648/j.ijaas.20160206.15
    T2  - International Journal of Applied Agricultural Sciences
    JF  - International Journal of Applied Agricultural Sciences
    JO  - International Journal of Applied Agricultural Sciences
    SP  - 112
    EP  - 125
    PB  - Science Publishing Group
    SN  - 2469-7885
    UR  - https://doi.org/10.11648/j.ijaas.20160206.15
    AB  - Selenium (Se), an essential nutrient for animals and humans, occurs as selenoproteins in enzymes. It is very important in animal nutrition because it functions as an anti-oxidant assisted by vitamin E. Se deficiency is a major problem which can be reduced or prevented by supplementation with inorganic or organic sources of Se. However, excessive supplementation and consumption of Se accumulating plants may lead to Se toxicity and animal poisoning. Minimal lethal dose for animals range between 1.5 to 8 mg kg-1 Se live body weight and maximum tolerable concentration of Se in forages is 5 mg kg-1. Se deficiency in animals also depends greatly on Se content of forages and soils. Se deficient soils contain less than 0.6 mg kg-1 and can be fertilized to increase Se content of forages or pastures for animals. Forages are classified as adequate, marginally deficient and deficient in Se and contain 0.2, 0.1-0.199 and <0.1 mg kg-1Se respectively. Silages can also be fortified with selenium to meet the requirements for Se in animals. The requirements of Se for animals need to be met to provide adequate animal and human nutrition.
    VL  - 2
    IS  - 6
    ER  - 

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Author Information
  • Agricultural and Environmental Services Laboratories, University of Georgia Cooperative Extension, Athens, Georgia, USA

  • Freelancer, Ibadan, Nigeria

  • Department of Crop and Soil Science, University of Georgia, Athens, Georgia, USA

  • Agricultural and Environmental Services Laboratories, University of Georgia Cooperative Extension, Athens, Georgia, USA

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