Table 1.
Effects of in ovo probiotic supplementation on embryo morphometry at d 18 of incubation.
| Morphometric parameters | Treatments |
||
|---|---|---|---|
| Control | LR | LP | |
| Embryo (YFBM; % SEW) relative percent increase | 44.83 ± 0.88a | 48.44 ± 0.87b +8.05% |
46.38 ± 0.85a +3.44% |
| Yolk sac (% SEW) | 27.02 ± 1.15 | 26.49 ± 1.33 | 28.03 ± 1.03 |
| Breast (% YFBM) relative percent increase | 4.72 ± 0.20a | 5.58 ± 0.34b +18.27% |
5.29 ± 0.18b +12.05% |
| Leg (% YFBM) Relative percent increase |
6.59 ± 0.26a | 7.59 ± 0.41b +15.13% |
7.75 ± 0.23b + 17.68% |
| Heart (% YFBM) | 1.20 ± 0.14 | 1.32 ± 0.29 | 1.01 ± 0.10 |
| Liver (% YFBM) | 3.62 ± 0.40 | 3.69 ± 0.52 | 3.85 ± 0.53 |
| Gizzard (% YFBM) | 7.82 ± 0.60 | 6.81 ± 0.77 | 7.77 ± 0.78 |
| Crown-rump length (cm) | 8.59 ± 0.07 | 8.74 ± 0.08 | 8.61 ± 0.10 |
| Tibial length (cm) | 2.61 ± 0.12 | 2.54 ± 0.14 | 2.50 ± 0.10 |
| Radial length (cm) | 1.34 ± 0.03 | 1.29 ± 0.04 | 1.36 ± 0.05 |
| Third digit length (cm) | 2.03 ± 0.03 | 2.08 ± 0.08 | 1.97 ± 0.04 |
Data are represented as mean ± SEM.
a,b
Treatments with different superscripts within a row are significantly different at P < 0.05.
Abbreviations: Embryo weight, YFBM; LP, Lactobacillus paracasei; LR, Lactobacillus rhamnosus; SEW, starting egg weight.
Breast weight includes the breast bone; Leg weight includes thigh and drumstick with femur and tibia; Tibial length: measured from knee cap to hock joint; Radial length: measured from elbow to carpal joint.