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Calling all good roto grazers
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<blockquote data-quote="bigbluegrass" data-source="post: 1691546" data-attributes="member: 15537"><p>45 heifers at 800 lbs each would be 36,000 lb of live weight. If they were grass only I would assume: 2% feed intake, 75% grazing efficiency, daily moves, 13" grass when you go in and 4" residual, 200 lb of dry matter yield/acre/inch - that would put each paddock at a little over 1/2 acre. Which means at 7-9 acres you have 14-18 days of rest before you start over again. That isn't enough of a rest period so the number of heifers would need to be much lower. HOWEVER, you say they will get a large percentage of their nutrition from the bunk. Now, if you say they only need 0.5% of their body weight in grass, you can get the paddock down to 0.13 acres per move which means 50+ days per rotation. That might work. I normally shoot for 45 days of rest, but it varies from 30-60 (or even 90). That is for here in KY. I don't know anything about rotational grazing in IL. Hard to give an exact answer, but that should give you an idea of at least one way to approach it.</p></blockquote><p></p>
[QUOTE="bigbluegrass, post: 1691546, member: 15537"] 45 heifers at 800 lbs each would be 36,000 lb of live weight. If they were grass only I would assume: 2% feed intake, 75% grazing efficiency, daily moves, 13" grass when you go in and 4" residual, 200 lb of dry matter yield/acre/inch - that would put each paddock at a little over 1/2 acre. Which means at 7-9 acres you have 14-18 days of rest before you start over again. That isn't enough of a rest period so the number of heifers would need to be much lower. HOWEVER, you say they will get a large percentage of their nutrition from the bunk. Now, if you say they only need 0.5% of their body weight in grass, you can get the paddock down to 0.13 acres per move which means 50+ days per rotation. That might work. I normally shoot for 45 days of rest, but it varies from 30-60 (or even 90). That is for here in KY. I don't know anything about rotational grazing in IL. Hard to give an exact answer, but that should give you an idea of at least one way to approach it. [/QUOTE]
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Calling all good roto grazers
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