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Salt. Blocks pre lambing
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<blockquote data-quote="Global ovine" data-source="post: 6785314" data-attributes="member: 493"><p>YES. If the following:</p><ol> <li data-xf-list-type="ol">If your soils are high in K and your ewes are outside prior to lambing and soil temps are under 5 degrees C.</li> <li data-xf-list-type="ol">If your soils are high in K and your conserved feeds are low in Mg due to K ferts being applied before harvesting that feed which is fed indoors in late pregnancy.</li> <li data-xf-list-type="ol">If no or very little grain based supplements are fed, as these turn alkaline rumens towards acid (normal) that enables Ca to be mobilised from the bones. A blood Ca shortage can lead to both Milk fever or Prolapse.</li> <li data-xf-list-type="ol">In flocks where a history of both or either of these problems occur, Mg supplementation is recommended.</li> <li data-xf-list-type="ol">Applying high N ferts on late winter pastures in high risk flocks is also increasing the risk significantly.</li> <li data-xf-list-type="ol">Winter grown pasture is also very low in Sulphur. Sulphur salts also lowers pH of the rumen. Salt blocks on such pastures after lambing carries additional risk.</li> </ol><p>Sheep and cows have very similar metabolic reactions to the cation/anion balance of what they consume.</p><p>Increasing the soil pH enables a longer period of pasture growth where the Mg uptake by plants assists animal health, especially those outcomes explained above. Soil pH of 6.0 to 6.5 also reduces K content in pastures. </p><p>Conserved pasture boosted by K and N preharvest add much risk when fed to ruminants in late pregnancy.</p></blockquote><p></p>
[QUOTE="Global ovine, post: 6785314, member: 493"] YES. If the following: [LIST=1] [*]If your soils are high in K and your ewes are outside prior to lambing and soil temps are under 5 degrees C. [*]If your soils are high in K and your conserved feeds are low in Mg due to K ferts being applied before harvesting that feed which is fed indoors in late pregnancy. [*]If no or very little grain based supplements are fed, as these turn alkaline rumens towards acid (normal) that enables Ca to be mobilised from the bones. A blood Ca shortage can lead to both Milk fever or Prolapse. [*]In flocks where a history of both or either of these problems occur, Mg supplementation is recommended. [*]Applying high N ferts on late winter pastures in high risk flocks is also increasing the risk significantly. [*]Winter grown pasture is also very low in Sulphur. Sulphur salts also lowers pH of the rumen. Salt blocks on such pastures after lambing carries additional risk. [/LIST] Sheep and cows have very similar metabolic reactions to the cation/anion balance of what they consume. Increasing the soil pH enables a longer period of pasture growth where the Mg uptake by plants assists animal health, especially those outcomes explained above. Soil pH of 6.0 to 6.5 also reduces K content in pastures. Conserved pasture boosted by K and N preharvest add much risk when fed to ruminants in late pregnancy. [/QUOTE]
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Salt. Blocks pre lambing
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