Table 2.
Parameter | T1 | T2 | T3 | T4 | T5 | T6 | T7 | SEM | P-value | |
---|---|---|---|---|---|---|---|---|---|---|
Carcass weight | 91.69 | 90.73 | 94.38 | 89.97 | 86.99 | 93.25 | 88.49 | 0.87 | 0.27 | |
Breast meat | 28.29 | 24.47 | 26.08 | 25.39 | 28.80 | 27.76 | 27.19 | 0.42 | 0.22 | |
Thighs | 9.70 | 9.66 | 9.41 | 10.17 | 9.24 | 9.52 | 9.84 | 0.19 | 0.97 | |
Drumstick | 9.71 | 10.64 | 9.89 | 11.84 | 10.83 | 10.35 | 13.79 | 0.41 | 0.18 | |
Liver | 2.29 | 1.95 | 2.09 | 2.60 | 1.79 | 2.64 | 2.34 | 0.11 | 0.52 | |
Gizzard | 1.59 | 1.54 | 1.72 | 1.79 | 0.89 | 1.83 | 1.56 | 0.12 | 0.67 | |
Proventriculus | 0.36 | 0.26 | 0.33 | 0.36 | 0.32 | 0.33 | 0.28 | 0.01 | 0.23 | |
Abdominal Fat | 1.82 | 1.60 | 1.39 | 1.16 | 1.62 | 2.04 | 1.47 | 0.09 | 0.39 |
a,b,c Means within the same row carrying different superscripts are significantly different at (P < 0.05).
T1: Control group "basal diet with no additives (breeder recommendation (BR)). T2: Basal diet minus 100 kcal/kg supplemented with 0.02% NSP-degrading enzymes (NSP). T3: Basal diet minus 50 kcal/kg supplemented with 0.025% emulsifier (LYSOFORTE®). T4: Basal diet minus 50 kcal/kg supplemented with 0.06% guanidinoacetic acid (CreAMINO®). T5: Basal diet minus 150 kcal/kg supplemented with a mixture of NSP and LYSOFORTE® (NSPL), T6: Basal diet minus 100 kcal/kg supplemented with a mixture of NSP and CreAMINO® (NSPC). T7: Basal diet minus 200 kcal/kg supplemented with a mixture of NSP, LYSO, and CreAMINO® (NSPLC).