Table-2.
The concentration of HM in horse feed produced in two farms of the Almaty region.
| Farm No. | Sampling season | Type of feed | HM concentration in the feed, mg/kg | |||
|---|---|---|---|---|---|---|
|
| ||||||
| Cadmium M±m |
Lead M±m |
Arsenic M±m |
Mercury M±m |
|||
| 1 | Spring | Hay | 0.3691±1.2 | 0.1463±0.13 | ± | - |
| Mixed feed | 0.2456±1.3* | 0.1523±0.5 | - | - | ||
| Wheat bran | 0.1562±0.1 | 0.1142±0.6* | - | - | ||
| Summer | Grass clipping | 0.2744±0.7 | 0.1771±0.03 | - | - | |
| Barley | 0.1621±1.3* | 0.1064±0.8* | - | - | ||
| Mixed feed | 0.2521±0.8 | 0.1431±1.2* | - | - | ||
| Alfalfa | 0.2042±0.1 | 0.1548±0.4 | - | - | ||
| Fall | Bran | 0.3851±0.6 | 0.1348±0.3 | ± | - | |
| Hay | 0.4198±0.2 | 0.1376±0.1 | - | - | ||
| Average quantity | 0.2767±0.03 | 0.1407±0.1 | ± | - | ||
| 2 | Spring | Hay | 0.1521±0.2 | 0.0862±0.1 | - | ± |
| Mixed feed | 0.1548±0.1 | 0.1062±0.2 | - | - | ||
| Summer | Alfalfa | 0.1137±003* | 0.0476±0.8* | - | - | |
| Barley | 0.1632±0.1 | 0.0588±0.01 | - | - | ||
| Hay | 0.0426±1.2* | 0.0722±0.2 | - | - | ||
| Mixed feed | 0.1428±1.4* | 0.0922±0.4 | - | - | ||
| Fall | Hay | 0.5811±0.1 | 2.86±0.24* | - | ± | |
| Mixed feed | 0.2935±0.6* | 2.76±0.3 | - | - | ||
| Average number | 0.2055±0.8 | 0.7604±0.02 | ± | ± | ||
| TLV | 0.3 | 3.2 | 0.5 | 0.05 | ||
*
p<0.05; (±) – trace of an element. TLV=Threshold level value, HM=Heavy metals