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Table 1 Information on intake and output for pigsa

From: Methodologies on estimating the energy requirements for maintenance and determining the net energy contents of feed ingredients in swine: a review of recent work

Diets n Mean BW, kg Intake Output Gas exchange, L/d Digestibility, %
Feed, kg/d GE, MJ/d Feces Urine CH4 energy, MJ/d HP, MJ/d O2 CH4 CO2 DM GE
Weight, g/d GE, MJ/d Volume, L/d GE, MJ/d THP FHP HI
Corn-soybean meal 30 45.53 1.46 24.31 380.4 2.57 2.64 0.57 0.19 12.73 7.66 5.07 606.4 4.9 660.8 73.9 89.4
Oil-seed mealsb 66 44.78 1.45 24.51 576.6 3.80 3.19 0.81 0.14 12.26 7.50 4.76 587.8 3.6 619.6 60.2 84.5
Fibrous ingredientsc 24 44.70 1.54 24.62 766.6 4.47 2.33 0.74 0.16 12.04 7.22 4.82 593.8 4.1 634.1 50.2 81.8
Corn DDGS 36 47.08 1.68 28.09 622.1 4.09 3.08 1.02 0.26 13.69 7.78 5.91 651.7 6.6 735.5 63.0 85.4
Meand 168 45.07 1.50 25.22 558.2 3.62 2.89 0.78 0.18 12.61 7.53 5.08 604.8 4.5 654.9 62.8 85.6
  1. aData from NE trials conducted at MAFIC; pigs were fed in crates with a feed intake lower than ad libitum; GE, gross energy; HP, heat production; THP, total heat production; FHP, fasting heat production; HI, heat increment
  2. bIncludes rapeseed meal, peanut meal, sunflower meal, and cottonseed meal
  3. cIncludes rice bran, corn germ meal, corn gluten feed, and wheat bran
  4. dExcluding corn-SBM, oil-seed meals, high-fiber meals, and corn DDGS but including wheat and corn diets