Table-4.
Spearman’s correlation coefficient between the content of heavy metals in hair and milk of cows of Group II.
| Milk elements | Hair elements | ||||||
|---|---|---|---|---|---|---|---|
|
| |||||||
| Al | As | Pb | Cd | Mn | Fe | Zn | |
| Fe | −0.29 | −0.54* | 0.18 | −0.21 | −0.94* | 0.57* | −0.06 |
| Zn | −0.34 | 0.08 | −0.67* | 0.27 | 0.32 | 0.05 | 0.15 |
| Mn | −0.44 | −0.38 | −0.18 | −0.34 | 0.56* | −0.33 | 0.2 |
| Cr | −0.86* | −0.39 | −0.33 | 0.12 | −0.27 | −0.68* | 0.13 |
| Pb | 0.67* | 0.40 | 0.27 | −0.41 | 0.24 | 0.4 | −0.1 |
| Cd | −0.25 | −0.36 | 0.61* | 0.58* | −0.34 | −0.45 | −0.27 |
The correlation is significant at the level of p ≤ 0.05