Paisley et al. (1986) suggested that organisms other than A. pyogenes andGram-negative anaerobes such as Fusobacterium necrophorum, as well as, E. coli, Streptococcusspp., Staphylococcus spp., and Pseudomonas spp. are responsible for toxic puerperal metritis.Others (Farin et al., 1989; DelVecchio et al., 1992) indicated clearly that A. pyogenes either aloneor in combination with other organisms (i