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Mature cows, feeding silage and supplement with??
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<blockquote data-quote="GymTruckLaundry" data-source="post: 810649" data-attributes="member: 16190"><p>I havent been able to calculate crude protein "as fed", want to show me lol? I might be wrong but here's what i got...</p><p></p><p>1300 lb cow requires a TDN of 16 and a crude protein of 2.8 and according to my textbook this cow will eat up to 49lbs of silage/day.</p><p></p><p>Silage has a TDN of 69, 35% dry matter, 8% crude protein and a cow will eat 49 lbs of it per day...</p><p></p><p>Silage has a TDN of 69 so i multiplied 49lbs x 69% which equals 33.81 pounds of energy(TDN) per day. </p><p></p><p>But silage is only 35% dry matter so i multiplied 49lbs x 35% which equals 17.15lbs "as fed", or, should i multiply 33.81 x 35% to get 11.83lbs for my "as fed" TDN number?</p><p></p><p>For crude protein i could multiply 49lbs x 8% which equals 3.92lbs of crude protein but thats not adjusted to an "as fed" number</p><p></p><p>And last year i remember putting out 35-40lbs of silage out daily and it would take them 1.5/2 days to eat it all...</p></blockquote><p></p>
[QUOTE="GymTruckLaundry, post: 810649, member: 16190"] I havent been able to calculate crude protein "as fed", want to show me lol? I might be wrong but here's what i got... 1300 lb cow requires a TDN of 16 and a crude protein of 2.8 and according to my textbook this cow will eat up to 49lbs of silage/day. Silage has a TDN of 69, 35% dry matter, 8% crude protein and a cow will eat 49 lbs of it per day... Silage has a TDN of 69 so i multiplied 49lbs x 69% which equals 33.81 pounds of energy(TDN) per day. But silage is only 35% dry matter so i multiplied 49lbs x 35% which equals 17.15lbs "as fed", or, should i multiply 33.81 x 35% to get 11.83lbs for my "as fed" TDN number? For crude protein i could multiply 49lbs x 8% which equals 3.92lbs of crude protein but thats not adjusted to an "as fed" number And last year i remember putting out 35-40lbs of silage out daily and it would take them 1.5/2 days to eat it all... [/QUOTE]
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Mature cows, feeding silage and supplement with??
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