Table 4.
Effect of in ovo injected and supplemental Zn on leukocytes and erythrocytes in broilers at 35 days of age.
| Parameters | Con | In Ovo | Added Zn (mg/kg) | SEM 1 | p-Values | |
|---|---|---|---|---|---|---|
| 100 | 200 | |||||
| Leukocytes | ||||||
| WBC (K/μL) 2 | 17.8 | 19.9 | 20.2 | 20.4 | 1.65 | 0.65 |
| HE (K/μL) | 4.86 | 5.86 | 6.30 | 5.99 | 0.77 | 0.59 |
| LY (K/μL) | 10.4 | 10.8 | 10.6 | 11.2 | 0.52 | 0.68 |
| H/L | 0.46 | 0.53 | 0.59 | 0.52 | 0.05 | 0.39 |
| MO (K/μL) | 1.78 | 2.20 | 2.00 | 2.14 | 0.20 | 0.47 |
| EO (K/μL) | 0.57 | 0.78 | 0.97 | 0.80 | 0.18 | 0.50 |
| BA (K/μL) | 0.17 | 0.26 | 0.37 | 0.24 | 0.09 | 0.53 |
| Erythrocyte | ||||||
| RBC (K/μL) | 2.23 | 2.35 | 2.47 | 2.38 | 0.13 | 0.63 |
| Hb | 7.78 | 8.18 | 8.64 | 8.24 | 0.46 | 0.63 |
| HCT (%) | 22.9 | 24.4 | 27.6 | 25.1 | 1.49 | 0.20 |
| MCH (g/dL) | 34.9 | 34.7 | 34.9 | 34.1 | 0.64 | 0.81 |
| MCHC (g/dL) | 33.9 | 33.6 | 31.4 | 28.6 | 2.46 | 0.41 |
1 SEM, standard error of means. 2 WBC, white blood cells; HE, heterophils; LY, lymphocytes; H/L, Heterophil: lymphocytes; Mo, monocytes; EO, eosinophils; BA, basophils; RBC, red blood cells; Hb, hemoglobulin; HCT, hematocrit; MCH, mean corpuscular hemoglobulin; MCHC, mean corpuscular hemoglobulin concentration.