Question

19. When a mixed diet was fed to growing mice, the following data was recorded when fed the reference protein diet (E) and test protein diet (MP). Intakes and excretions are for the total period of feeding. You have all the information that you need to answer this question. (15 points) MP Starting average wt. 25 g 28 g Ending average wt 918 83 8 Dietary consumption (g of dry matter) 3268 318 8 Dietary crude protein (% of dry matter) 12.6% 12% Total Fecal output (g of dry matter) 958 998 Fecal protein (% of dry matter) 8.3% 9.1% Nitrogen free diet (% protein in feces) 2.4% 2.2% Plasma Cholesterol 127 168 mg/dl Urinary protein (E) 10.56 g 9.488

Answer 1

Ansuler PCR (protein efficiency ortion] neodorod based on the weight gain of the subject to the intake and I PER = Gain in booly wright Probin intare . odlake distopy bookin. BY (Bidogion value) for the protein is calculated by deleaning the nitrogen content in top food and Wincay fecal mathea 'By Dietesy Nitrogen - Curiresy nitrogen + farcel nitrogen) Dietcoy nitrogen - feral nitrogen BV and PER are used as Slandards in evaluating the porotein quality in diets --for mice treated with gelagerre poolein diet (c) it protein intate = 12% of 320g = 39129 * gin in body weight 91-95 669 pee - Per in heng

fecol proloin . g 37 of ara 7 899 Dietary crude prolen - 31.129 Urinary protein 9.489 ' Biological value 29.12 - (1.48 +7.81). 39.12 -7.89 - 0:628 ::BV = 0.08 ] for mice tealod coith test prolein diet (110) Protein intake 12.6% of 3 189 = 4007g. Grein in body weight 839 - 23g = 55g PER = 55 40107 1.371 Dietary coude proloin = 40079. fecal protein 9.1% of pag : 7.00 Vainoy Protein = 10.56. Blla. 40.07- (10:56 +9.01) 40:07 -9.01 As per the above diesults of Pep and, By, the € protein is better. This is because the PER value of € - prolen IS 0:32 highes that per ol Mp Protein. The Bv Value C is 0:02 higher in C Protein thao MP Protein

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