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<blockquote data-quote="cjmc" data-source="post: 1665985" data-attributes="member: 27842"><p>All beef cattle ration balancing programs are based off the NRC's predictive equations. The intake predictive part of the equation is based off body weight. It assumes no factors limit intake.</p><p></p><p>Its been a long time since I read the KSU paper where they measured this in steers consuming dormant native tallgrass range. Couldn't remember the numbers so I pulled it back out. They consumed 5% CP hay & intake was 65% of the cattle fed a protein supplement. NDF digestion dropped from 49 to 42%</p><p></p><p>I'm not disagreeing with the rations you made. If the basal diet was actually that they would work fine & save money. I was just disagreeing with what the basal diet was valued at & pointing out what would happen if it was poor quality.</p><p></p><p>As far as liquid goes. That really depends. Liquid is the #1 supplement in feedyards. You can shove a lot of urea into it which typically (especially now) drops ration costs. Pellets & meals cannot carry as much urea. </p><p></p><p>In range diets with companies like Loomix doing some of the work for you they have historically been a really expensive option & you are right in saying it's been the most expensive way to feed cows. But the cost of natural proteins have really skyrocketed the last 90 days making them more competitive. I saw the price on a 100% CP biuret protein/mineral product week- it cost the same as feeding distillers & a mineral which really shocked me. </p><p></p><p>For those reading this & wanting to play with ration formulation software Oklahoma state puts out a free excel program that does this. You can learn a lot from playing with these programs.</p></blockquote><p></p>
[QUOTE="cjmc, post: 1665985, member: 27842"] All beef cattle ration balancing programs are based off the NRC's predictive equations. The intake predictive part of the equation is based off body weight. It assumes no factors limit intake. Its been a long time since I read the KSU paper where they measured this in steers consuming dormant native tallgrass range. Couldn't remember the numbers so I pulled it back out. They consumed 5% CP hay & intake was 65% of the cattle fed a protein supplement. NDF digestion dropped from 49 to 42% I'm not disagreeing with the rations you made. If the basal diet was actually that they would work fine & save money. I was just disagreeing with what the basal diet was valued at & pointing out what would happen if it was poor quality. As far as liquid goes. That really depends. Liquid is the #1 supplement in feedyards. You can shove a lot of urea into it which typically (especially now) drops ration costs. Pellets & meals cannot carry as much urea. In range diets with companies like Loomix doing some of the work for you they have historically been a really expensive option & you are right in saying it's been the most expensive way to feed cows. But the cost of natural proteins have really skyrocketed the last 90 days making them more competitive. I saw the price on a 100% CP biuret protein/mineral product week- it cost the same as feeding distillers & a mineral which really shocked me. For those reading this & wanting to play with ration formulation software Oklahoma state puts out a free excel program that does this. You can learn a lot from playing with these programs. [/QUOTE]
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