Skip to main content
. 2018 Jul 26;32(5):691–700. doi: 10.5713/ajas.18.0228

Table 7.

Relative organ weights of broilers fed diets supplemented with phytase at 21 and 42 days of age

Variables2) Experimental diets1) p-value SEM

No phytase Phytase 500 +MT A Phytase 1,000 +MT A Phytase 1,500 +MT A Phytase 1,000 +MT B Phytase 1,500 +MT C
21 days of age
 Proventriculus (%) 0.58 0.56 0.57 0.58 0.60 0.58 0.955 0.01
 Gizzard (%) 2.18 2.05 1.88 2.20 2.25 2.20 0.264 0.05
 Small intestine (%) 3.35 3.23 3.08 2.97 3.31 3.26 0.785 0.08
 Pancreas (%) 0.34 0.36 0.32 0.37 0.36 0.31 0.499 0.01
 Heart (%) 0.61 0.64 0.63 0.69 0.67 0.68 0.751 0.02
 Liver (%) 2.56 2.34 2.62 2.61 2.52 2.51 0.730 0.05
42 days of age
 Proventriculus (%) 0.29 0.30 0.25 0.24 0.26 0.27 0.151 0.01
 Gizzard (%) 1.31 1.22 1.21 1.17 1.21 1.17 0.551 0.02
 Small intestine (%) 1.56 2.09 2.00 1.81 2.24 2.04 0.152 0.04
 Pancreas (%) 0.20 0.18 0.16 0.19 0.21 0.16 0.092 0.01
 Heart (%) 0.44 0.49 0.46 0.41 0.50 0.48 0.426 0.01
 Liver (%) 1.56b 1.83ab 1.73ab 1.61ab 2.02a 1.78ab 0.035 0.05

SEM, standard error of the means.

1)

Matrix A (MT A): 0.165% Ca, 0.150% avP, and 0.035% Na; matrix B (MT B): 0.215% Ca, 0.195% avP, and 0.045% Na; matrix C (MT C): 0.245% Ca, 0.225% avP, and 0.053% Na.

2)

%: Relative weights calculated in relation to bird live weight.

a,b

Means followed by different letters in the same line are different by Tukey test (p<0.05).