Selenium in Nutrition: Revised Edition by National Research Council, Board on Agriculture, Committee

By National Research Council, Board on Agriculture, Committee on Animal Nutrition, Subcommittee on Selenium

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1968), Beauchamp et al. (1969), and Young et al. (1977), Ontario; Arthur (1971), most regions; Walker (1971), Martin et al. (1973), and Macdonald et al. (1976), Alberta; Winter et al. (1973), Gupta and Winter (1975), and Winter and Gupta (1979), Atlantic Provinces; Miltimore et al. (1975), British Columbia Selenium-adequate areas: Arthur (1971), most regions; Walker (1971), Martin et al. (1973), and Macdonald et al. (1976), Alberta; Miltimore et al. (1975), British Columbia; Owen et al. (1977a), Saskatchewan Seleniferous areas: Byers and Lakin (1939), Thorvaldson and Johnson (1940).

Plant and animal wastes return selenium to the soil. Oceans, seas, and lakes obtain selenium from inflowing waters, with some of the element deposited in the sediments. Selenium is transported in running water to lowlands and poorly drained areas. The atmosphere is supplied with selenium via soil dust, volcanoes, burning of fossil fuels, industrial emissions, and volatile products produced by plants and animals. Some of the airborne element returns to the land and water as solid particles or in water precipitation.

1 ppm selenium were wheat, 12 percent; barley and oats, 32 percent; legumes, 22 percent; grasses, 21 percent; and corn silage, 76 percent. About this PDF file: This new digital representation of the original work has been recomposed from XML files created from the original paper book, not from the original typesetting files. Page breaks are true to the original; line lengths, word breaks, heading styles, and other typesetting-specific formatting, however, cannot be retained, and some typographic errors may have been accidentally inserted.

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