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Grass-fed Beef Cattle Genetics 101
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<blockquote data-quote="IluvABbeef" data-source="post: 694839" data-attributes="member: 3739"><p>Explanation please. As I learned it, yes the lactation period is THE highest area where nutrition is needed, but, the last trimester of gestation is also a developing point because of the point where the calf is needing more energy and protein to grow. But of courses there's a fine line between too much nutrition and too little. That has been an example with the snow storms last winter, and folks were putting in more feed to last the cows through the winter, as a result getting bigger calves than expected and more calving problems. But, my point is the last trimester is an <em>additional</em>, <em>increased</em> requirement; after that, <em>then</em> she reaches peak nutrition requirement. The first two trimesters are the lowest nutrient requirements; but, according to a chart I'm looking at in Beef Cattle Science, <u>the CRITICAL period is from 30 days before and 70 days after calving</u>.</p><p></p><p></p><p></p><p>Thank you.</p><p></p><p></p><p></p><p>You've really got me confused because first you say that Ca is directly correlated to sol. CHO's in the grass, then I say that Ca is more closely related to the level of P (phosphorus) because of the fabled Ca<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite7" alt=":p" title="Stick out tongue :p" loading="lazy" data-shortname=":p" /> ratio, and yet you jump in with this stupid soil calcium relates to Lime index thing. That's not even what I'm talking about, nor was that even a statement to dispute your example; heII not even close! </p><p></p><p>So let me explain for you. Ca levels are determined by the level of phosphorus, magnesium and potassium levels. There is a "thing" called the Ca<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite7" alt=":p" title="Stick out tongue :p" loading="lazy" data-shortname=":p" /> ratio. If there is too much P or Vit D, calcium deficiencies develop, since they prohibit the proper use of calcium in the animal's body. Similar thing with Mg and K. Ca is related to Lime because that's what Lime is; thus, yes the level of calcium in the soil is related to the lime index thing you spoke of. But as for the direct correlation of Ca to sol. CHOs?</p><p></p><p>Upon doing some research, you do have a point (to your example), but this is especially related to the growth stages of the grasses within the species. The correlation differs between each species. But this is from what I seen with the relation between the levels of DE (digestible energy) in Mcal/lb of, for instance, KBG, and percentage of calcium.</p><p></p><p>So now, I will let the rest of the cattlemen and women on here discuss this post to it's unprecedented end. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p></blockquote><p></p>
[QUOTE="IluvABbeef, post: 694839, member: 3739"] Explanation please. As I learned it, yes the lactation period is THE highest area where nutrition is needed, but, the last trimester of gestation is also a developing point because of the point where the calf is needing more energy and protein to grow. But of courses there's a fine line between too much nutrition and too little. That has been an example with the snow storms last winter, and folks were putting in more feed to last the cows through the winter, as a result getting bigger calves than expected and more calving problems. But, my point is the last trimester is an [i]additional[/i], [i]increased[/i] requirement; after that, [i]then[/i] she reaches peak nutrition requirement. The first two trimesters are the lowest nutrient requirements; but, according to a chart I'm looking at in Beef Cattle Science, [u]the CRITICAL period is from 30 days before and 70 days after calving[/u]. Thank you. You've really got me confused because first you say that Ca is directly correlated to sol. CHO's in the grass, then I say that Ca is more closely related to the level of P (phosphorus) because of the fabled Ca:P ratio, and yet you jump in with this stupid soil calcium relates to Lime index thing. That's not even what I'm talking about, nor was that even a statement to dispute your example; heII not even close! So let me explain for you. Ca levels are determined by the level of phosphorus, magnesium and potassium levels. There is a "thing" called the Ca:P ratio. If there is too much P or Vit D, calcium deficiencies develop, since they prohibit the proper use of calcium in the animal's body. Similar thing with Mg and K. Ca is related to Lime because that's what Lime is; thus, yes the level of calcium in the soil is related to the lime index thing you spoke of. But as for the direct correlation of Ca to sol. CHOs? Upon doing some research, you do have a point (to your example), but this is especially related to the growth stages of the grasses within the species. The correlation differs between each species. But this is from what I seen with the relation between the levels of DE (digestible energy) in Mcal/lb of, for instance, KBG, and percentage of calcium. So now, I will let the rest of the cattlemen and women on here discuss this post to it's unprecedented end. :) [/QUOTE]
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