Skip to main content

Advertisement

Table 6 Effects of supplemental protease in diets containing graded levels of raw soybean on the weights of internal organs (g/ 100 g body weight) at day 24

From: Apparent and standardized ileal nutrient digestibility of broiler diets containing varying levels of raw full-fat soybean and microbial protease

RFFS1, g/kg Protease, PROT/kg G + P Pancreas SI Heart Liver Bursa Spleen
0 0 2.74 0.21 4.04 0.58 2.49 0.19 0.08
15,000 2.79 0.21 4.02 0.54 2.66 0.20 0.08
45 0 3.72 0.36 5.43 0.69 3.07 0.20 0.12
15,000 3.58 0.35 5.77 0.74 2.76 0.28 0.10
75 0 3.40 0.37 4.97 0.66 2.58 0.18 0.09
15,000 3.31 0.35 4.71 0.64 2.87 0.20 0.08
SEM 0.10 0.02 0.19 0.02 0.09 0.01 0.01
Main effects        
 0   2.77c 0.21b 4.03b 0.56c 2.58 0.20 0.08b
 45   3.65a 0.35a 5.57a 0.71a 2.91 0.24 0.11a
 75   3.36b 0.36a 4.84a 0.65b 2.73 0.19 0.08b
  0 3.29 0.31 4.81 0.64 2.7 0.19b 0.09
  15,000 3.23 0.30 4.71 0.64 2.8 0.23a 0.09
Sources of variation      
 RFFS *** *** *** *** NS NS *
 Protease NS NS NS NS NS * NS
 RFFS x protease NS NS NS NS NS NS NS
  1. a,b,cMeans bearing uncommon superscripts within a column are significantly different at NS = non-significant; ***P < 0.001; *P < 0.05; 1RFFS = raw full-fat soybean (SBM was replaced by RFFS at zero, 15 and 25%, equivalent to zero, 45 and 75 g/kg of diet, respectively); SEM = standard error of means; SI = Small intestine (jejunum, ileum and duodenum) were weighed with the contents; G + P (gizzard and proventriculus) were weighed with the contents; SEM = Pooled standard error of mean. A 15000 PROT/kg = 15,000 units of protease/kg of diet, equivalent to 200 mg of protease/kg of diet