Abstract

BRANDA, LN; RUIZ DIAZ, A; RAMIREZ, M  and  MARTINEZ, J. EVALUATION OF FECAL COLIFORMS IN EFFLUENTS OF A SWINE EXPLOITATION SUBJECT TO A TUBULAR BIODIGESTER TREATMENT WITH STACIONARY FREIGHT SYSTEM. Compend. cienc. vet [online]. 2016, vol.6, n.2, pp.7-12. ISSN 2226-1761.  https://doi.org/10.18004/compend.cienc.vet.2016.06.02.7-12.

ABSTRACT. This research was conducted in order to evaluate the effect of plastic biodigester semi-continuous flow of bacteriological parameters (coliforms) in the treatment of effluents in small-scale pig farm. Three points within the system were used for sampling: drinking water pigs, pig slurry (water entering the digester), Bio (water that emerges from the digester), every 21 days over a period of 70 days, from July 2015. the samples were subjected to analysis to determine total and fecal coliforms by the method of Most Probable Number (MPN). The study revealed that drinking water samples from animals tested negative microbiological results, while the purines and the biol positive microbiological results were obtained. It was found the presence of coliform species: Proteus spp, Escherichia coli, Klebsiella, Citrobacter freundii. However, samples obtained before entering the digester (B) with then taken anaerobic process (C), maintained the maximum bacterial load, with no statistically significant differences (p> 0.05).

Keywords : coliforms; biodigestor; effluents; stacionary freight; pigs.

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