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. 2021 May 20;8:639039. doi: 10.3389/fvets.2021.639039

Table 6.

Effects of protein source on NH3-N and biogenic amine contents in cecal digesta of weaned pigs (μg /g digesta).

Items EFS ESBM SEM P-value
NH3-N 129.33 107.16 3.79 <0.01
PUT 48.32 32.99 2.09 <0.01
CAD 28.84 24.28 1.95 0.14
SPD 14.72 13.69 1.04 0.51
SPM 2.77 2.14 0.20 0.06

Data were shown as the mean + SEM (n = 6). PUT, putrescine; CAD, cadaverin; SPD, spermine; SPM, spermidine. EFS, extruded full-fat soybean; ESBM, enzyme-treated soybean meal.