3. Results
Analysis of protease in the experimental diets indicated that the supplemental enzyme had activity well proportioned with the expected value (formulated 15,000 PROT/kg and analysed 16,067 PROT/kg). Effects of SBM source and protease supplementation on total tract retention and apparent ileal digestibility are shown in Table 3. Only the main effects are presented in the tables, as SBM x protease interactions were not significant (P > 0.05) for any of the tested parameters. There were no interactions between SBM source and protease supplementation for ileal digestibility and total tract retention in 24-d-old broilers. There were no effects of SBM source on IDE, AME, and AMEn; however, the ileal digestibility of CP was 2.4% higher for SBM from North region (P < 0.05).
3. ResultsAnalysis of protease in the experimental diets indicated that the supplemental enzyme had activity well proportioned with the expected value (formulated 15,000 PROT/kg and analysed 16,067 PROT/kg). Effects of SBM source and protease supplementation on total tract retention and apparent ileal digestibility are shown in Table 3. Only the main effects are presented in the tables, as SBM x protease interactions were not significant (P > 0.05) for any of the tested parameters. There were no interactions between SBM source and protease supplementation for ileal digestibility and total tract retention in 24-d-old broilers. There were no effects of SBM source on IDE, AME, and AMEn; however, the ileal digestibility of CP was 2.4% higher for SBM from North region (P < 0.05).
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