brucella gallinifaecis brucella gallinifaecis brucella gallinifaecis is a gram-negative, non-spore-forming, rod-shaped bacteria from the genus of brucella which was isolated from chicken faeces in germany. brucella gallinifaecis scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: hyphomicrobiales family: brucellaceae genus: brucella species: brucella gallinifaecis binomial name b. gallinifaecis(kämpfer et al. 2003) hördt et al. 2020 synonyms ochrobactrum gallinifaecis kämpfer et al. 2003