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trace element requirements in young lambs
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<blockquote data-quote="Tim W" data-source="post: 3871628" data-attributes="member: 72"><p>I must admit I struggle with the mineral supplementation thing ---- I have places that suffer from low mineral levels and sheep that show symptoms ---particularly Cobalt deficiency</p><p>I monitor this in various ways---bloods/PM/soil & grass analysis/visual appraisal and so I am pretty sure of the problems I face</p><p>mainly Cobalt deficiency (some Se too)</p><p> </p><p>So in the past i have done a small trial on a mob of 140 ewes. I bolused 1/2 the ewes and their lambs ...monitored FEC, growth and mineral status (bloods) over the next 10 weeks and found no difference between the two groups (all sheep in 1 mob in the same field ) --- in fact the untreated group had a slightly higher growth rate!</p><p> </p><p>This year I have bolused ewes pre-lambing (different bolus) and will blood test lambs (but at 4 weeks they are starting to show signs---scabby ears etc)</p><p>So I am not sure where to go with it ----I know it's affecting performance on one farm</p><p>I guess I have to supplement the lambs somehow but with past results I am not that confident</p></blockquote><p></p>
[QUOTE="Tim W, post: 3871628, member: 72"] I must admit I struggle with the mineral supplementation thing ---- I have places that suffer from low mineral levels and sheep that show symptoms ---particularly Cobalt deficiency I monitor this in various ways---bloods/PM/soil & grass analysis/visual appraisal and so I am pretty sure of the problems I face mainly Cobalt deficiency (some Se too) So in the past i have done a small trial on a mob of 140 ewes. I bolused 1/2 the ewes and their lambs ...monitored FEC, growth and mineral status (bloods) over the next 10 weeks and found no difference between the two groups (all sheep in 1 mob in the same field ) --- in fact the untreated group had a slightly higher growth rate! This year I have bolused ewes pre-lambing (different bolus) and will blood test lambs (but at 4 weeks they are starting to show signs---scabby ears etc) So I am not sure where to go with it ----I know it's affecting performance on one farm I guess I have to supplement the lambs somehow but with past results I am not that confident [/QUOTE]
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trace element requirements in young lambs
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