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<blockquote data-quote="Bright Raven" data-source="post: 1581148" data-attributes="member: 27490"><p>That is a point worth expanding on. There are certainly environments where the soils and geological history provide all the essential nutrients. But they are rare indeed. Almost every environment is missing one or more essential elements for example , selenium occurs in extremely low levels here.</p><p></p><p>One advantage you have, it is like what I saw in Montana - you don't get the kind of extreme lush blossom of spring grasses we do in Kentucky. Where the grass is almost 90 % water. It is like "power washing" the GI tract. The weeks of lush grass and loose feces can decrease the uptake of minerals. Again, intake is what they consume. Uptake is what they absorb and get into the cellular level.</p><p></p><p>Since we are in an environment where there is low levels of Selenium, copper or magnesium to satisfy the essential needs of the biological functions, the cows health is going to be compromised and performance is going to suffer. In the case of some essential minerals like magnesium - they can die from grass tetany.</p><p></p><p>The Rocky Mountain area is a relatively young geological environment, rich in elements we have lost after 100s of millions of years of erosion and leaching.</p><p></p><p>This brings up a side note - regardless of culling there is no such thing as a mammalian biological unit that can carry on physiological functions without essential minerals. In example, there are no cows that have evolved a way to carry oxygen without iron. Culling cures some ills but it does not change the process of respiration and cellular function that is common to all life on the planet.</p></blockquote><p></p>
[QUOTE="Bright Raven, post: 1581148, member: 27490"] That is a point worth expanding on. There are certainly environments where the soils and geological history provide all the essential nutrients. But they are rare indeed. Almost every environment is missing one or more essential elements for example , selenium occurs in extremely low levels here. One advantage you have, it is like what I saw in Montana - you don't get the kind of extreme lush blossom of spring grasses we do in Kentucky. Where the grass is almost 90 % water. It is like "power washing" the GI tract. The weeks of lush grass and loose feces can decrease the uptake of minerals. Again, intake is what they consume. Uptake is what they absorb and get into the cellular level. Since we are in an environment where there is low levels of Selenium, copper or magnesium to satisfy the essential needs of the biological functions, the cows health is going to be compromised and performance is going to suffer. In the case of some essential minerals like magnesium - they can die from grass tetany. The Rocky Mountain area is a relatively young geological environment, rich in elements we have lost after 100s of millions of years of erosion and leaching. This brings up a side note - regardless of culling there is no such thing as a mammalian biological unit that can carry on physiological functions without essential minerals. In example, there are no cows that have evolved a way to carry oxygen without iron. Culling cures some ills but it does not change the process of respiration and cellular function that is common to all life on the planet. [/QUOTE]
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