Question
Answer before 5:45 today (3/4). Please help and answer anything you can! A farmer had a feedstuff which he sent to a laboratory for proximate
Answer before 5:45 today (3/4). Please help and answer anything you can! A farmer had a feedstuff which he sent to a laboratory for proximate analysis. It was ground and a 180.0gram sample was weighed Into a pan and dried in an oven until constant weight was attained. The dry weight of that sample was 162.00 grams. Another 180.0 gram sample was weighed and kjeldahl analysis run. From that sample 3.6 grams of nitrogen were obtained. A different 280.000 gram sample was weighed, dried, weighed ( 252.0 grams), ether was refluxed through the sample, then it was dried and weighed again and it weighed 237.30 grams. This sample was boiled in dilute alkali, then dilute acid, then washed, the residue dried, weighed (it weighed 17 grams) and placed in a crucible in a furnace at 550\degree C and ashed, cooled, and what was left weighed 0.7 grams. An additional 280.000 g sample was ashed and it weighed 4.62 g What is the proximate analysis of this feed stuff that should be reported to the farmer? What is the percent TDN, if the digestibility of CP, EE and NFE are 80% and CF is 50%? Maintain 2 decimal accuracy. Need to find percent water, crude protein, ether extract, crude fiber, ash NFE, and TDN.
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