Trace elements in fodder plants and dairy cow diets and milk in areas affected by the sulphur industry
1999
Pys, J.B. (Akademia Rolnicza, Krakow (Poland). Katedra Zywienia Zwierzat)
The study was performed to determine: the level of trace element contamination of fodder plants grown in the immediate vinicity (0-2000 m) of the "Siarkopol" Sulphur Industrial Group in Tarnobrzeg; trace element content of green fodders, hays and silages made of lucerne grown in the area reclaimed from a former sulphur mine. The additional aim of the study was to determine: the level of trace element intake by dairy cows during either winter or summer feeding; the trace elements of milk from these cows. The levels of Fe, Mn, Cu, Cr, Pb and Cd were determined in fodder crops grown in three selected areas close to: the storage yard to elementary sulphur, the sulphur mine fields and the industrial buildings of the fertilizer production plant
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