Table 4.
Effect of encapsulated Lactobacillus paracasei on lymphoid organs, carcass quality of broilers.
| Items | CON | ANT | ELP |
|---|---|---|---|
| Full eviscerated percentage | 74.36±1.13b | 76.53±1.02a | 75.61±1.23ab |
| Chest muscle (%) | 29.07±1.69b | 31.36±0.9a | 30.82±1.57ab |
| Thigh muscle (%) | 26.85±1.1 | 27.44±1.31 | 28.26±1.63 |
| Relative liver weight (%) | 1.73±0.13 | 1.77±0.17 | 1.85±0.17 |
| Abdominal fat (%) | 0.82±0.09 | 0.81±0.13 | 0.95±0.31 |
| Thymus (g/kg) (21 d) | 4.43±0.67 | 4.28±0.68 | 4.56±1.42 |
| Thymus (g/kg) (42 d) | 1.24±0.67 | 1.44±0.68 | 1.47±1.42 |
| Spleen (g/kg) (21 d) | 0.93±0.09 | 0.87±0.1 | 0.81±0.09 |
| Spleen (g/kg) (42 d) | 0.88±0.09a | 0.88±0.1a | 1.15±0.09b |
| Bursa of Fabricus (g/kg) (21 d) | 2.27±0.64 | 2.39±0.31 | 2.59±0.53 |
| Bursa of Fabricus (g/kg) (42 d) | 0.5±0.64 | 0.48±0.31 | 0.46±0.53 |
Treatments: CON = a basal diet; ANT = CON+0.15 ppm Virginiamycin; ELP = CON+500PPM of encapsulated Lactobacillus paracasei.
a,b
Means within a row with different letters are statistically significant (P < 0.05).