Microbial pool for biological control of milk quality and pathogen profile of milk from a dairy farm in southern Brazil

Authors

DOI:

https://doi.org/10.5902/2179460X29203

Keywords:

Mastitis, Enterobacteria, Sanitation control

Abstract

The objective of this study was to assess the health and environmental profile milk from a local dairy farm by applying inoculum in different environments. The inoculum used was diluted with water and then sprinkled on the surface of predetermined sites for characterization. Five swab samples from the ground were collected at random from the room or environment. Populations of the total and fecal coliforms, Salmonella spp., Staphylococcus coagulase positive and sulfite reducing Clostridium were set as indicators of hygiene and sanitary conditions. Milk samples were also collected from the cooling tank. Somatic cell counts (SCC) and different physicochemical parameters were determined, we used the methods set by ANVISA. A statistically significant reduction of SCC (P < 0.05) was observed from 2.8 to 2.0 log SSC.mL–1, significant interactions were considered when the probability was lower than 5%. The inoculum also showed a highly significant effect on pathogen populations, especially on Salmonella spp. and sulfite reducing Clostridium, while a lower reduction on the other two pathogens. In this way, the inoculum was effective in reducing pathogen populations, improved the sanitary quality,thus it might be used as a prevention tool for the diseases with environmental origin in dairy farms.

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Author Biographies

Pamela Lais Cabral Silva, Federal University of Pelotas, Pelotas, RS

Bolsista de iniciação científica no Núcleo de Educação, Pesquisa e Extensão em Resíduos e Sustentabilidade (NEPERS/UFPel)

Thayli Ramires Araújo, Federal University of Pelotas, Pelotas, RS

Mestrado em Ciência e Tecnologia de Alimentos.
Universidade Federal de Pelotas

Lucas Guidoni, Federal University of Pelotas, Pelotas, RS

Mestrado em Ciências Ambientais.
Universidade Federal de Pelotas

Fernanda Medeiros Gonçalves, Federal University of Pelotas, Pelotas, RS

Mercosur Integration Center

Roger Vasques Marques, Federal Institute of Rio Grande do Sul

Food Technology

Lauren Andrade Vieira, Federal University of Pelotas, Pelotas, RS

Postgraduate Program in Food Science and Technolog

Luciara Bilhalva Corrêa, Federal University of Pelotas, Pelotas, RS

Professora Associada da Universidade Federal de Pelotas.

Érico Kunde Corrêa, Federal University of Pelotas, Pelotas, RS

Professor Associado do Curso de Engenharia Ambiental e Sanitária da Universidade Federal de Pelotas

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Published

2018-03-27

How to Cite

Silva, P. L. C., Araújo, T. R., Guidoni, L., Gonçalves, F. M., Marques, R. V., Vieira, L. A., Corrêa, L. B., & Corrêa, Érico K. (2018). Microbial pool for biological control of milk quality and pathogen profile of milk from a dairy farm in southern Brazil. Ciência E Natura, 40, e6. https://doi.org/10.5902/2179460X29203

Issue

CIÊNCIA E NATURA, V. 40, 2018

Section

Biology-Ecology

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