1950 नि सिगां , सोनाब इउरपनि गोबां हादरफोराव बे फारियै थि खालामनायखौ उनसंनाय जागासिनो दं आरो बिसोरो बे बेराम फोजोबस्रांनायखौ जाफुंसारै मावनो हादों ।
Before 1950 , in many countries of western Europe this very tactic was followed and they sucessfully eradicated this this disease .