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Related to Protein efficiency ratio: Biological Value, Net protein utilization
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Except by the 50R's result, the best protein efficiency ratio (PER) was registered for the 75R+25WBF treatment that was not different from 75R+25DBF (p > 0.05; Table 3).
Protein efficiency ratio and FE are utilized as quality indicators for fish diets and amino acid balance.
The calculations for true digestibility (TD), net protein utilization (NPU), protein efficiency ratio (PER) and biological value (BV) were made by using the formulae of Miller and Bender (1955).
The parameters for in-vivo protein quality assay in Sprague Dawley rats were; 93.68% true digestibility, 67.02% net protein utilization, 70.56% biological value, 4.55net protein ration, and 2.75 protein efficiency ratio, which are higher in comparison to most of cereal proteins.
(2006) did not find significant difference in weight gain, feed consumption, feed conversion ratio, protein efficiency ratio and specific growth rate in tambaqui fed diets with different leucena leaf meal concentration in replacement to fish meal.
The concept of "limiting" amino acids is used to determine which protein form is best, and to calculate how proteins can be blended or supplemented with individual amino acids to improve with the FAO pattern, the PER (Protein Efficiency Ratio) or the Chemical Score (an assessment of the limiting amino acid as a percentage of the recommended amino acid level).
Growth rate (GR), survival rate (SR), feed conversion ratio (FCR) and protein efficiency ratio (PE).
Percent weight gain (%WG), specific growth rate (SGR), protein efficiency ratio (PER), feed conversion ratio (FCR), feed intake (FI) and condition factor (CF), hepatosomatic index (HSI) and viscrosomatic index (VSI) were calculated by the following formulae:
Weight gain (WG), specific growth rate (SGR), feed efficiency (FE), protein efficiency ratio (PER), survival and whole body proximate composition were measured and calculated.
From the values of Mean Daily Feed Intake (MFDI) and Mean Daily Weight Gain (MDWG) obtained, Protein Efficiency Ratio (PER), Net Protein Retention (NPR) were estimated by the method of Pellet and Young [16]; Apparent Digestibility (AD) and Feed Conversion Efficiency (FCE) were calculated using approved formulae.
This study examined the effects of kaolin, bentonite and zeolite on energy efficiency ratio (EER), protein efficiency ratio (PER), ileal digestibility of energy, ileal digestibility of protein and carcass yield in broilers.
Also, specific growth rate, condition factor, protein efficiency ratio were slightly but significantly (P<0.05) higher and feed conversion ratio was lower in groups received probiotic via diets than controls [2].
fulgens requires between 59-67 cal/g abalone/day to achieve maximum growth, at a crude protein intake of 6.22 [+ or -] 0.17 mg/g abalone/day with a protein efficiency ratio (PER) of 3.41 (Gomez-Montes el al.