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Forage Rape for in lamb ewes
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<blockquote data-quote="neilo" data-source="post: 7260276" data-attributes="member: 348"><p>Are you on the coast by any chance, giving the high Sodium and Iodine levels? </p><p></p><p>Having seen similar here, the stand out thing to me there (apart from high I and Na, which are both on the floor here) would be the very high Molybdenum level. I have similar levels here and, if I don't supplement with copper, see massive problems in terms of growth and fertility, to the extent of losing lambs with copper deficiency. Blood results are practically worthless for copper btw, I was losing lambs with Cu deficiency at the same time as their blood levels were coming back as OK.</p><p></p><p>On your last point, getting the basics of energy & protein right is of course important, but with TE deficiencies those basics don't translate into condition score, or growth & performance. I can have lambs with great genetic potential here that are rotationally grazed to ensure they have 24/7 access to grass in it's most nutritive state, but going backwards in condition. Performance is always capped by the most limiting factor, whether that's energy, protein or any of the fundamental trace elements required. In a good grass growing area like this, I am more often limited by trace elements unless I supplement specific ones. I have a few neighbours that tell me they don't have a problem with trace elements at all and don't need to supplement, but their hedgerows are generally strewn with white buckets from the cattle mineral licks that are out to the sheep all year round.</p></blockquote><p></p>
[QUOTE="neilo, post: 7260276, member: 348"] Are you on the coast by any chance, giving the high Sodium and Iodine levels? Having seen similar here, the stand out thing to me there (apart from high I and Na, which are both on the floor here) would be the very high Molybdenum level. I have similar levels here and, if I don't supplement with copper, see massive problems in terms of growth and fertility, to the extent of losing lambs with copper deficiency. Blood results are practically worthless for copper btw, I was losing lambs with Cu deficiency at the same time as their blood levels were coming back as OK. On your last point, getting the basics of energy & protein right is of course important, but with TE deficiencies those basics don't translate into condition score, or growth & performance. I can have lambs with great genetic potential here that are rotationally grazed to ensure they have 24/7 access to grass in it's most nutritive state, but going backwards in condition. Performance is always capped by the most limiting factor, whether that's energy, protein or any of the fundamental trace elements required. In a good grass growing area like this, I am more often limited by trace elements unless I supplement specific ones. I have a few neighbours that tell me they don't have a problem with trace elements at all and don't need to supplement, but their hedgerows are generally strewn with white buckets from the cattle mineral licks that are out to the sheep all year round. [/QUOTE]
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Forage Rape for in lamb ewes
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