Muhammad Danish *,Nazir Ahmad ,Ihsan Sharif ,Mirza Naveed Shahzad ,Syed Sibtain Raza Rizvi,Muhammad Faizan Nazar
The current study was carried out to estimate the concentration of chromium (Cr) in soil, forage, blood plasma and milk samples of Sahiwal cows collected from Kalurkoat livestock station, situated at South Western Punjab, Pakistan. The sampling was done four times at interval of two months. The concentration of Cr was found in the ranged 6.7-10 mg/kg, 2.9-4.0 mg/kg, 3.5-4.3 mg/L, and 0.4-0.6 mg/L in soil, forage, blood plasma and cows’ milk respectively. The results were compared with standards values for soil, forage, blood plasma and milk. In soil, forage and plasma samples Cr was found higher than the standard concentration necessary for proper growth of plants and animals, whereas the level of Cr in milk was within standard limits. The statistical analyses indicate that the transfer of Cr to milk is independent of its concentration in soil-forage-blood continuum. The high concentration of Cr detected in forage and blood plasma implies the need for sound management of plants which absorb less quantity of chromium.
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