{"id":1065,"date":"2015-08-07T14:07:23","date_gmt":"2015-08-07T21:07:23","guid":{"rendered":"http:\/\/ext100.wsu.edu\/stevens\/?page_id=1065"},"modified":"2025-06-12T14:55:31","modified_gmt":"2025-06-12T21:55:31","slug":"selenium-levels-in-stevens-county","status":"publish","type":"page","link":"https:\/\/extension.wsu.edu\/stevens\/agriculture\/selenium-levels-in-stevens-county\/","title":{"rendered":"Selenium Levels"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Selenium Levels in Much of the Northwest<\/h2>\n\n\n\n<ul>\n<li><a href=\"http:\/\/extension.oregonstate.edu\/wasco\/sites\/default\/files\/smallfarms\/featured-articles\/livestock\/Selenium.pdf\">Symptoms of Selenium Deficiency in Livestock (pdf)<\/a> \u2013 WSU Extension<\/li>\n\n\n\n<li><a href=\"https:\/\/www.extension.colostate.edu\/chaffee\/live\/selenium.shtml\">Symptoms of Selenium Toxicity in Livestock<\/a> \u2013 Colorado State University Extension<\/li>\n\n\n\n<li>See the map below to see how Stevens County selenium levels compare with other areas in the Northwest.<\/li>\n\n\n\n<li><a href=\"https:\/\/mrdata.usgs.gov\/geochem\/doc\/averages\/se\/northwestern.html\">Map showing average selenium levels in the Northwest<\/a>&nbsp;&#8211; US Geological Survey<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Selenium Toxicity from Forage<\/h2>\n\n\n\n<p>Selenium Toxicity can also be caused when animals eat certain plants which accumulate Selenium such as Locoweeds and Milkvetches.&nbsp; For more information, please see the WSU document called <a href=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/54\/2019\/05\/SelectedPoisonousPlantsOfThePacificNW_Kerr-PoisonousPlants1007-2005.pdf\">Selected Poisonous Plants of the Northwest (pdf)<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Managing Selenium Levels in Forage and Livestock<\/h2>\n\n\n\n<p>Selenium level mapping in Stevens County soils is not of high enough resolution to tell us which soils have high levels and which are low.&nbsp; The best way to know for sure about selenium levels in your soil, water, and forage is to have them tested in by a qualified lab.<\/p>\n\n\n\n<p>Information on maximum allowable selenium levels for different livestock:&nbsp; <a href=\"https:\/\/wpcdn.web.wsu.edu\/extension\/uploads\/sites\/54\/2019\/05\/SeleniumToxicityForRuminants_ParanoiaOrPrecautionion_McDowell.pdf\">Selenium Toxicity for Ruminants, Paranoia or Precaution (McDowell) (pdf)<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Selecting a Soil, Forage, or Water Testing Lab<\/h2>\n\n\n\n<p>The <a href=\"https:\/\/waddl.vetmed.wsu.edu\/\">Washington Animal Disease Diagnostic Lab (WADDL)<\/a>&nbsp;in Pullman can test selenium levels in forage for you for a reasonable fee. &nbsp;For more information, contact WADDL at:<br> Email:&nbsp;<a href=\"mailto:waddl@vetmed.wsu.edu\">waddl@vetmed.wsu.edu<\/a><br> Phone: 509-335-9696<\/p>\n\n\n\n<p>For more information about other labs and testing check with the WA State Department of Ecology (see link below) or contact the Stevens County Extension office.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.ecy.wa.gov\/programs\/eap\/labs\/\">WA State department of Ecology web page<\/a> dedicated to accredited testing labs for Washington State, including information on selecting a lab.<\/p>\n\n\n\n<p>University of Idaho Analytic&nbsp;Sciences Lab (ASL)<\/p>\n\n\n<section  class=\"wsu-section wsu-spacing-top--xsmall wsu-border--add-top wsu-border--color-crimson\"  >\r\n        \n<div class=\"program-contact \">\n\t\t\t<img\n\t\t\tsrc=\"https:\/\/extension.wsu.edu\/stevens\/wp-content\/plugins\/cahnrs-extension-plugin\/assets\/images\/ag.png\"\n\t\t\theight=\"75\"\n\t\t\twidth=\"75\"\n\t\t\tclass=\"extension-program-icon\"\n\t\t\talt=\"Program Icon.\"\n\t\t>\n\t\n\t<div class=\"program-contact-info\">\n\t\t<h2>Program Contact<\/h2>\n\n\t\t\t\t\tKathryn Hoogheem, Agriculture Extension Coordinator<br>\n\t\t\n\t\t\t\t\t<span class=\"wsu-screen-reader-only\">Phone Number<\/span>509-684-2588\t\t\n\t\t\t\t\t<span class=\"wsu-screen-reader-only\">Email Address<\/span> \u2022\n\t\t\t<a href=\"mailto:kathryn.hoogheem@wsu.edu\">kathryn.hoogheem@wsu.edu<\/a>\n\t\t\t<\/div>\n<\/div>\n    <\/section>","protected":false},"excerpt":{"rendered":"<p>Selenium Levels in Much of the Northwest Selenium Toxicity from Forage Selenium Toxicity can also be caused when animals eat certain plants which accumulate Selenium such as Locoweeds and Milkvetches.&nbsp; [&hellip;]<\/p>\n","protected":false},"author":134,"featured_media":0,"parent":6623,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_expiration_date":""},"categories":[6],"tags":[],"_links":{"self":[{"href":"https:\/\/extension.wsu.edu\/stevens\/wp-json\/wp\/v2\/pages\/1065"}],"collection":[{"href":"https:\/\/extension.wsu.edu\/stevens\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/extension.wsu.edu\/stevens\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/extension.wsu.edu\/stevens\/wp-json\/wp\/v2\/users\/134"}],"replies":[{"embeddable":true,"href":"https:\/\/extension.wsu.edu\/stevens\/wp-json\/wp\/v2\/comments?post=1065"}],"version-history":[{"count":7,"href":"https:\/\/extension.wsu.edu\/stevens\/wp-json\/wp\/v2\/pages\/1065\/revisions"}],"predecessor-version":[{"id":7540,"href":"https:\/\/extension.wsu.edu\/stevens\/wp-json\/wp\/v2\/pages\/1065\/revisions\/7540"}],"up":[{"embeddable":true,"href":"https:\/\/extension.wsu.edu\/stevens\/wp-json\/wp\/v2\/pages\/6623"}],"wp:attachment":[{"href":"https:\/\/extension.wsu.edu\/stevens\/wp-json\/wp\/v2\/media?parent=1065"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/extension.wsu.edu\/stevens\/wp-json\/wp\/v2\/categories?post=1065"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/extension.wsu.edu\/stevens\/wp-json\/wp\/v2\/tags?post=1065"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}