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I have a 6 pound recipe with 4 pounds ground beef. Every 100 grams of ground beef has 1.85 grams of Arginine and 58.8% moisture. How much % Arginine on a dry matter basis is in my 6 pound recipe that has 4 pounds of this ground beef?

Second part; mg per kg. I have 28.2 mg per kg of iron per every 100 grams of ground beef. How do I figure out mg/kg on a dry matter (58.8% moisture), and then how do calculate the mg/kg of this iron on a dry matter basis for my 4 pounds of beef in the same recipe as mentioned?

user369226
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  • How many grams per pound please? In addition, what have you tried? – barak manos Sep 15 '16 at 14:32
  • Will the moisture evaporate? totally ? and when, before weighing and adding the meet to the recipe, or after upon cooking the recipe (whose other components are dry ?) ? – G Cab Sep 15 '16 at 14:40
  • I am making dog food and need to match the AAFCO recommendations. Some nutrients they list as % and other are mg/kg but all have to be on a dry matter basis. I have found an equation to find dry matter which works for the nutrients shown in a percentage and that is: % of the nutrient/100%-moisture% multiplied by 100. This gives me the dry matter of a nutrient per 100 grams. For arginine I tried 1.85% divided by 41.2 which is 4.49% arginine out of 100 grams of beef per 100 grams. I just cant figure out how to find out how much % is in my actual recipe. Do I calculate % of a %? – user369226 Sep 15 '16 at 15:02
  • for the second part, I am unable to find a way to calculate dry matter when the amount is stated in mg/kg instead of as a %. I searched veterinary books, asked vet nutritionists and still unable to get an answer. AAFCO states certain nutrients as mg/kg and I need to first find a formula for obtaining the dry matter on a mg/kg then how to calculate how many mg/kg are in my recipe per ingredient amount. – user369226 Sep 15 '16 at 15:07
  • this is where the aafco profile is http://www.aafco.org/Portals/0/SiteContent/Regulatory/Committees/Pet-Food/Reports/Pet_Food_Report_2013_Midyear-Proposed_Revisions_to_AAFCO_Nutrient_Profiles.pdf – user369226 Sep 15 '16 at 15:07

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