Table 3 Effects of different doses of MHA-Zn in low-protein diets on immune organ index of broilers.
Item (%) | A | B | C | D | SEM | p-value |
|---|---|---|---|---|---|---|
Spleen index | 0.11 | 0.12 | 0.14 | 0.12 | 0.006 | 0.447 |
Bursa of fabricius index | 0.20 | 0.25 | 0.22 | 0.22 | 0.049 | 0.552 |
Thymus index | 0.48 | 0.44 | 0.38 | 0.37 | 0.062 | 0.167 |