Table 3.
Stocking density (birds/m2) | GAA (g/kg feed) | BW (g) | BWG (g) | FI (g) | FCR (g/g) | Mortality (%) | EPEF |
---|---|---|---|---|---|---|---|
LSD | 0 | 2649.86b | 2607.86b | 3518.57a | 1.34ab | 7.14 | 521.02b |
LSD | 0.6 | 2741.14a | 2699.14a | 3474.86ab | 1.29c | 4.29 | 582.16a |
HSD | 0 | 2507.57d | 2469.14d | 3402.14b | 1.38a | 8.92 | 474.38c |
HSD | 0.6 | 2588.29c | 2546.61c | 3409.29b | 1.34b | 7.14 | 513.36bc |
Pooled SEM | 17.22 | 17.01 | 13.16 | 0.01 | 0.81 | 8.81 | |
P value | |||||||
SD | < 0.001 | < 0.001 | < 0.001 | < 0.001 | 0.153 | < 0.001 | |
GAA | < 0.001 | < 0.001 | 0.366 | < 0.001 | 0.153 | < 0.001 | |
SD × GAA | 0.630 | 0.522 | 0.212 | 0.199 | 0.736 | 0.280 |
P value in bold are statistically significant
LSD, Low stocking density; HSD, High stocking density; SD, Stocking density; GAA, Guanidinoacetic acid; BW, body weight; BWG, body weight gain; FI, feed intake; FCR, feed conversion ratio (g of feed/g of weight gain); EPEF, European Production Efficiency Factor = (livability × live weight (kg)/(age in days × FCR) × 100
a,b,c,dDifferent superscript letters in the same column indicate a significant difference (P < 0.05), Pooled SEM: total SEM