Nagagi Y P, Temba V and Komba E V G 2017: The efficacy of ZeroFlyŽ Screen, insecticide incorporated screen, against nuisance and biting flies on cattle kept under zero grazing system in the Northern Zone of Tanzania. Livestock Research for Rural Development. Volume 29, Article #54. Retrieved , from http://www.lrrd.org/lrrd29/3/naga29054.html