Managing cow dung with a low tech, cheap plastic digester YongabiK.A. HarrisP.L. SamboA.S. AghoM.O. 2018 In this report, the management and disinfection of manure with a low-tech, cheap, plastic digester is described. The efficacy of disinfection was monitored by carrying out microscopy and culture analysis of the raw and treated manure slurries to establish the microbial presence in both.