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Table 4 Energy metabolizability and nitrogen balance: experiment 1 1

From: Metabolizable energy, nitrogen balance, and ileal digestibility of amino acids in quality protein maize for pigs

Traits QPM2 Maize   Contrast  
  QPM1 334Ce 537Ta 537Ig 538Ta White Yellow SEM3 QPM Normal Prob4
Dry Matter, kg/d            
 Intake 1.67a 1.66a 1.66a 1.68a 1.64a 1.66a 1.55b 0.010 1.66 1.60 0.05
Energy, MJ/d            
 Intake 29,9a 29.7a 29.7a 30.2a 29.5a 29.7a 27.7b 0.17 29.8 28.7 0.63
 In feces 3.1a 3.2a 3.0a 2.9ab 2.9ab 2.6b 2.6b 0.04 3.0 2.6 0.001
 Digestible 26.8a 26.5a 26.7a 27.3a 26.5a 27.1a 25.1b 0.16 26.7 26.1 0.01
 In Urine 0.50 0.58 0.53 0.60 0.62 0.60 0.61 0.013 0.57 0.60 0.21
 Metabolizable 26.3a 25.9a 26.2a 26.7a 25.9a 26.5a 24.5b 0.16 26.2 25.5 0.01
Nitrogen, g/d            
 Intake 22.4b 24.6a 24.5a 24.6a 24.4a 22.0b 22.1b 0.13 24.0 22.0 0.001
 In feces 3.6 4.1 3.8 3.7 3.8 3.4 3.5 0.08 3.82 3.46 0.32
 Digestible 18.7b 20.5a 20.6a 20.4a 20.5a 18.5b 18.6b 0.35 20.1 18.6 0.001
 In Urine 10.2a 12.6b 13.2b 11.9b 12.0b 12.1b 12.2b 0.21 11.97 12.2 0.74
 Retained 8.5a 7.9ab 7.5ab 8.5a 8.5a 6.5ab 6.4b 0.24 8.18 6.44 0.19
Dry matter, MJ/kg            
 Digestible energy 16.11cd 15.96d 16.12bcd 16.29ab 16.18abc 16.34a 16.22abc 0.007 16.13 16.28 0.01
 Metabolizable energy 15.59ab 15.38b 15.59ab 15.70a 15.55ab 15.74a 15.61ab 0.009 15.56 15.68 0.09
 Coefficient            
 DM Digestibility 88.7c 88.2c 88.9c 90.1ab 89.2bc 90.8a 90.2a 0.12 89.0 90.5 0.001
 E Digestibility 89.6bc 89.1c 89.8bc 90.4ab 90.1bc 91.3a 90.6ab 0.14 89.8 91.0 0.001
 Metabolizability 87.9b 87.2b 88.0b 88.4ab 88.0b 89.3a 88.4ab 0.15 87.9 88.9 0.01
 N Digestibility 83.7 83.3 84.3 84.7 84.3 84.3 84.2 0.30 84.1 84.3 0.72
N retention as percentage of           
 Intake5 38.2a 32.1ab 30.5ab 35.2ab 35.0ab 29.6ab 28.8b 1.01 34.2 29.2 0.28
 Absorbed6 45.7a 38.5ab 36.1ab 41.6ab 41.3ab 35.0b 34.2b 1.14 40.3 34.6 0.20
  1. 1All data are reported on a DM basis.
  2. 2Quality Protein Maize.
  3. 3Standard error of the mean.
  4. 4Contrast Probability.
  5. 5(N retained/N intake)*100.
  6. 6(N retained/N absorbed)*100.
  7. abcdifferent letters in the same line differ (P < 0.05).