Malliga, J.Narmatha, N.Uma, V.Akila, N.Sakthivel, K.M.TANUVAS2020-06-022020-06-022012http://krishikosh.egranth.ac.in/handle/1/5810146924TNV_JDF&HS_31(1)_2012_52+54Sendamangalam and Erumapatti blocks of Namakkal district were selected as the study area. Thirty milkvendors from each selected blocks formed the respondents. The knowledge level of the respondents was from medium to high before viewing the CD lesson. Cent per cent knowledge level was observed immediately after viewing the CD lesson The knowledge gain was studied under five different domains, of which highest knowledge gain was noticed in the management of dairy animals. The CD lesson was found to be effective in disseminating knowledge in clean milk production practices among milkvendors.en-USArticle