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<blockquote data-quote="dcara" data-source="post: 830069" data-attributes="member: 473"><p>";-) Peace brother. ;-)" Ditto</p><p></p><p>What probe tester do you use. Cooking hay is a pain in the rear but I have never really trusted the testers.</p><p>I'm glad you brought up the weight issue also. With regard to water intake the case you mentioned would also result in about 4.5 gal of water intake from the forage. depending on the animal this could represent 10-20% (more or less) of her daily water intake assuming something like a 75deg average temperature in April in Texas. Just an interesting note I thought.</p><p></p><p>A few years ago I wrote/developed a feed calculator in the form of a spreadsheet that would calculate the amount and types of various feeds, hays and mixes for a given bovine to grow, and/or change BCS, and/or milk a calf, etc for various feeds. It is all based on Mega Cals required by the bovine for various conditions which I calculated from various TDN/CP tables. For example. A 1000lb cow maintaining a BCS of 5 with no calf requires 18.2 Mcals and 1.6 lbs of protien per day. That same cow with a 5 month calf requires 23 Mcals and 1.9 lbs protien/day. If you also wanted that same cow to go from a BCS of 5 to 6 in 60 days while milking a 5 month calf (7 months at the end of 60days) she would require 25.8 Mcals and 1.9lbs CP/day. I also sent it to A&M after talking with a prof there in the hopes that a student could proof it for me for extra credit. Never heard anything. Still, I have found it to be reasonably accurate useful for feed planning.</p></blockquote><p></p>
[QUOTE="dcara, post: 830069, member: 473"] ";-) Peace brother. ;-)" Ditto What probe tester do you use. Cooking hay is a pain in the rear but I have never really trusted the testers. I'm glad you brought up the weight issue also. With regard to water intake the case you mentioned would also result in about 4.5 gal of water intake from the forage. depending on the animal this could represent 10-20% (more or less) of her daily water intake assuming something like a 75deg average temperature in April in Texas. Just an interesting note I thought. A few years ago I wrote/developed a feed calculator in the form of a spreadsheet that would calculate the amount and types of various feeds, hays and mixes for a given bovine to grow, and/or change BCS, and/or milk a calf, etc for various feeds. It is all based on Mega Cals required by the bovine for various conditions which I calculated from various TDN/CP tables. For example. A 1000lb cow maintaining a BCS of 5 with no calf requires 18.2 Mcals and 1.6 lbs of protien per day. That same cow with a 5 month calf requires 23 Mcals and 1.9 lbs protien/day. If you also wanted that same cow to go from a BCS of 5 to 6 in 60 days while milking a 5 month calf (7 months at the end of 60days) she would require 25.8 Mcals and 1.9lbs CP/day. I also sent it to A&M after talking with a prof there in the hopes that a student could proof it for me for extra credit. Never heard anything. Still, I have found it to be reasonably accurate useful for feed planning. [/QUOTE]
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