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. 2021 Jun 23;34(11):1822–1828. doi: 10.5713/ab.21.0102

Table 4.

Energy balance in pigs fed experimental diets (as-fed basis),1) Exp. 1

Item2) Diet SEM p-value

Corn Meat meal Fish meal Soybean meal
Diet intake (kg/d) 2.08 2.07 2.13 2.07 0.099 0.968
Feces output (kg/d) 0.198b 0.285a 0.272a 0.199b 0.0100 <0.001
Urine output (kg/d) 4.27 3.30 4.04 5.06 0.129 0.841
GE in feces (kcal/kg) 4,833a 4,515ab 4,182b 4,751a 135.4 0.014
GE in urine (kcal/kg) 128.8 165.9 141.5 95.7 15.53 0.043
GE intake (kcal/d) 7,971 8,229 8,579 8,190 387.4 0.740
Fecal GE output (kcal/d) 957b 1,287a 1,133ab 945b 51.5 0.001
Urinary GE output (kcal/d) 371 508 551 463 76.5 0.413
ATTD of energy (%) 87.8a 84.4b 86.7ab 88.4a 0.66 0.003
Feed DE (kcal/kg) 3,363b 3,354b 3,490a 3,493a 25.5 0.001
Feed ME (kcal/kg) 3,174 3,106 3,229 3,267 53.9 0.238

SEM, standard error of the means; GE, gross energy; ATTD, apparent total tract digestibility; DE, digestible energy; ME, metabolizable energy.

1)

Each least squares mean represents 6 observations.

2)

Diet intake, feces output, and urine output were based on 5 d of collection.

a,b

Means within a row without a common superscript letter differ (p<0.05).