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Dallisgrass question
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<blockquote data-quote="Lucky_P" data-source="post: 1819247" data-attributes="member: 12607"><p>KT, I love - well, the cows love - Johnsongrass. I have seen some cow deaths and abortion storms related to feeding heavily-fertilized, drought-stressed JG hay with high nitrate levels, so it warrants some wisdom in when to cut/graze. </p><p></p><p>I suppose with a heavy ergot infection rate on dallisgrass, you could clip high to remove seedheads, but as I've never encountered a problem with 'dallisgrass staggers', I'd be disinclined to burn time and diesel doing so. </p><p></p><p>Acorns... I've seen plenty of cases of acorn toxicosis in cattle in heavy mast years - both in a practice setting and as a diagnostic pathologist at the D-labs. Deer and goats have proline-rich salivary proteins which effectively inactivat/tie-up tannins, so they can eat acorns with impunity... cattle and sheep, not so much. I've treated acorn toxicosis cattle with fluids, laxatives, etc., and seen them get to their feet and stagger off to go right back to eating acorns. The gallotannins in acorns wipe out their renal tubules, and they essentially die of renal failure.</p></blockquote><p></p>
[QUOTE="Lucky_P, post: 1819247, member: 12607"] KT, I love - well, the cows love - Johnsongrass. I have seen some cow deaths and abortion storms related to feeding heavily-fertilized, drought-stressed JG hay with high nitrate levels, so it warrants some wisdom in when to cut/graze. I suppose with a heavy ergot infection rate on dallisgrass, you could clip high to remove seedheads, but as I've never encountered a problem with 'dallisgrass staggers', I'd be disinclined to burn time and diesel doing so. Acorns... I've seen plenty of cases of acorn toxicosis in cattle in heavy mast years - both in a practice setting and as a diagnostic pathologist at the D-labs. Deer and goats have proline-rich salivary proteins which effectively inactivat/tie-up tannins, so they can eat acorns with impunity... cattle and sheep, not so much. I've treated acorn toxicosis cattle with fluids, laxatives, etc., and seen them get to their feet and stagger off to go right back to eating acorns. The gallotannins in acorns wipe out their renal tubules, and they essentially die of renal failure. [/QUOTE]
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