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Is small cow size a myth?
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<blockquote data-quote="Nesikep" data-source="post: 1116819" data-attributes="member: 9096"><p>I have both sizes of cows and can be certain that the 2000 lb cow doesn't eat twice as much as the 1000 lb cow, and this is particularly true during the winter and non-milking periods... I think she eats about 1.5 times that of the 1000 lb cow if you average it througout the year. </p><p></p><p>There's a reason dairies have big cows and feed them like heck, If small cows were more efficient, there wouldn't be a holstein in a dairy anywhere... and they have all the tools to measure efficiency on a per-individual basis.</p><p></p><p>I think you are correct, that you ran 2000 lb cows, you would run 780,000 lbs of COWS on the same feed, but that's not saying it will be more <strong>profitable</strong> because you'll be down to 390 head... I believe it's a bit of a bell-curve... there's a happy spot at the top, because you might be able to run ONE 900,000 lb cow on that feed or 20,000 minis, and neither one will be any good for the bottom line.</p><p></p><p>If my guesstimate numbers are remotely close on the 2000 lb cow eating 1.5 times what the 1000 lb cow eats, as an average through the year, I"ll do some math...</p><p>for my guesstimate... x stands for food intake.. so 2x</p><p></p><p>2* x (double the cow size) = 1.5(times the food intake) thus x = 1.5/2 thus x = .75 </p><p></p><p>x = 1100/1400 1100 lb cows eat a certain ratio of what 1400 lb cows eat</p><p>x = 1100/1400</p><p>x = .78 </p><p>Off by 3%.. I seriously didn't think it would be that close, but it would indicate that you can indeed feed 600 1100 lb cows on the same feed as 500 1400 lb cows, where a cow eats 1.5 times as much if you double her weight... </p><p></p><p>This is a run of the mill average on cows, not the most efficient small cow versus an inefficient big cow of course.. I think we've established that though</p><p></p><p>We're doing a great job of not being argumentative! I hope you don't take any offense, as I assure you I am not (I'm actually aiming to reduce the max cow size to about 1400)</p></blockquote><p></p>
[QUOTE="Nesikep, post: 1116819, member: 9096"] I have both sizes of cows and can be certain that the 2000 lb cow doesn't eat twice as much as the 1000 lb cow, and this is particularly true during the winter and non-milking periods... I think she eats about 1.5 times that of the 1000 lb cow if you average it througout the year. There's a reason dairies have big cows and feed them like heck, If small cows were more efficient, there wouldn't be a holstein in a dairy anywhere... and they have all the tools to measure efficiency on a per-individual basis. I think you are correct, that you ran 2000 lb cows, you would run 780,000 lbs of COWS on the same feed, but that's not saying it will be more [b]profitable[/b] because you'll be down to 390 head... I believe it's a bit of a bell-curve... there's a happy spot at the top, because you might be able to run ONE 900,000 lb cow on that feed or 20,000 minis, and neither one will be any good for the bottom line. If my guesstimate numbers are remotely close on the 2000 lb cow eating 1.5 times what the 1000 lb cow eats, as an average through the year, I"ll do some math... for my guesstimate... x stands for food intake.. so 2x 2* x (double the cow size) = 1.5(times the food intake) thus x = 1.5/2 thus x = .75 x = 1100/1400 1100 lb cows eat a certain ratio of what 1400 lb cows eat x = 1100/1400 x = .78 Off by 3%.. I seriously didn't think it would be that close, but it would indicate that you can indeed feed 600 1100 lb cows on the same feed as 500 1400 lb cows, where a cow eats 1.5 times as much if you double her weight... This is a run of the mill average on cows, not the most efficient small cow versus an inefficient big cow of course.. I think we've established that though We're doing a great job of not being argumentative! I hope you don't take any offense, as I assure you I am not (I'm actually aiming to reduce the max cow size to about 1400) [/QUOTE]
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