APSS 2013 Proceedings - The University of Sydney

Aust. Poult. Sci. Symp. 2013.....24
Table 3 - Carcass characteristics of mixed sex chicks at 42 days of age, relative to age of
introduction of diets containing whole wheat
Whole wheat
Feeding Addition
age, d level, %
Carcass
yield, %
Relative
Breast
weight, %
Relative
wings
weight, %
Abdominal
fat
ratio, %
Relative
gizzard
weight, %
15 0 74.53 20.52 7.41 bc 2.03 0.93 c
15 15 75.37 20.50 7.43 bc 1.71 1.10 b
15 30 75.19 20.36 7.28 c 1.85 1.23 a
22 0 75.33 20.52 7.86 a 1.82 0.93 c
22 15 74.93 20.12 7.60 abc 1.95 1.10 b
22 30 74.87 20.37 7.68 ab 1.61 1.18 ab
SEM 0.179 0.987 0.05 0.052 0.205
Main effects
Feeding 15 75.03 20.46 7.37 b 1.86 1.09
age, d 22 75.04 20.34 7.71 a 1.79 1.07
0 74.93 20.52 7.63 1.92 0.93 c
Addition
15 75.15 20.31 7.52 1.83 1.10 b
level, %
30 75.03 20.37 7.48 1.73 1.20 a
Probabilities
Feeding age 0.969 0.739 0.0008 0.504 0.534
Addition level 0.881 0.889 0.394 0.321