| [comparative trial of drug premixes for preventing dysentery in growing pigs]. | four experiments (three under conditions existing in the practice), each one comprising four groups of pigs equalized in weight from 8 to 35 kg were carried out. all groups received the same ration, but no medicamentous premix was added to the ration of the control group, while the experimental groups were for checking the following premixes: mrz containing ridzol, mpr containing prozhen and mav containing avimertonid. the mean daily and fodder expenditure were recorded in the course of the expe ... | 1980 | 6998103 |