Retention of trace elements in the livers of sheep fed poultry manure as a ration component
Dried poultry manure from batteries ( DPM) was included at 0,0, 11,6, 23,5 and 35,4% in sheep finishing rations. An increase in the DPM content of rations caused substantial increase in the concentrations of calcium (Ca), phosphorus (P), sulphur (S),…