Uso de bacterias ácido lácticas para descontaminación de estiércol porcino mediante ensilaje experimental

José Martín Ruvalcaba-Gómez, Ramón Ignacio Arteaga-Garibay, Gerardo Domínguez-Araujo, Alberto Jorge Galindo-Barboza, Gerardo Salazar-Gutiérrez, Marcos Daniel Martínez-Peña, Raúl Jacobo Delgado-Macuil

Research output: Contribution to journalArticleResearchpeer-review

Abstract

© 2019, Centro de Ciencias de la Atmosfera, UNAM. All rights reserved. Swine production generates every day a large amount of residues, including nutrients and microorganisms, which potentially contribute to contamination of air, water and soil, and generation of unpleasant odors. Many strategies have been developed in order to mitigate the contaminant effect of swine manure and to take advantage of its nutrients and beneficial compounds; silage is an example of these, and consists in swine manure fermentation mainly under anaerobic conditions. The aim of this study was to assess the effect of applying a process of silage to swine manure added with two different sources of carbohydrates and two different sources of lactic-acid bacteria, under the reduction of different microbiological indicators. Through the process, it was observed the reduction of pH levels (until reaching 4.6) and microbial content, mainly for coliforms (reduction greater than 5 log), molds and yeasts, and total elimination of enterococci. On the other hand, significant decline was not reported for the lactic-acid bacteria content, main responsible of fermentation process. Best results were observed through using sorghum as a source of carbohydrates and cheese whey as a source of lactic-acid bacteria, for both, decrease of pH and reduction of some microbiological indicators, including bacteria that produce sulfuric acid. Therefore, silage process, applied to swine manure, induces the decrease of pH for action of lactic-acid bacteria until limit the survival of bacteria associated with fecal contamination, making of swine a transformed and microbiologically safe residue for its handling and subsequent use.
Original languageAmerican English
Pages (from-to)247-257
Number of pages221
JournalRevista Internacional de Contaminacion Ambiental
DOIs
StatePublished - 1 Jan 2019

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Bacteria
Swine
Manure
Manures
Lactic acid
bacterium
Silage
silage
manure
Lactic Acid
acid
Carbohydrates
Fermentation
Nutrients
fermentation
carbohydrate
Contamination
Food
Cheeses
Sorghum

Cite this

Ruvalcaba-Gómez, J. M., Arteaga-Garibay, R. I., Domínguez-Araujo, G., Galindo-Barboza, A. J., Salazar-Gutiérrez, G., Martínez-Peña, M. D., & Delgado-Macuil, R. J. (2019). Uso de bacterias ácido lácticas para descontaminación de estiércol porcino mediante ensilaje experimental. Revista Internacional de Contaminacion Ambiental, 247-257. https://doi.org/10.20937/RICA.2019.35.01.18
Ruvalcaba-Gómez, José Martín ; Arteaga-Garibay, Ramón Ignacio ; Domínguez-Araujo, Gerardo ; Galindo-Barboza, Alberto Jorge ; Salazar-Gutiérrez, Gerardo ; Martínez-Peña, Marcos Daniel ; Delgado-Macuil, Raúl Jacobo. / Uso de bacterias ácido lácticas para descontaminación de estiércol porcino mediante ensilaje experimental. In: Revista Internacional de Contaminacion Ambiental. 2019 ; pp. 247-257.
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abstract = "{\circledC} 2019, Centro de Ciencias de la Atmosfera, UNAM. All rights reserved. Swine production generates every day a large amount of residues, including nutrients and microorganisms, which potentially contribute to contamination of air, water and soil, and generation of unpleasant odors. Many strategies have been developed in order to mitigate the contaminant effect of swine manure and to take advantage of its nutrients and beneficial compounds; silage is an example of these, and consists in swine manure fermentation mainly under anaerobic conditions. The aim of this study was to assess the effect of applying a process of silage to swine manure added with two different sources of carbohydrates and two different sources of lactic-acid bacteria, under the reduction of different microbiological indicators. Through the process, it was observed the reduction of pH levels (until reaching 4.6) and microbial content, mainly for coliforms (reduction greater than 5 log), molds and yeasts, and total elimination of enterococci. On the other hand, significant decline was not reported for the lactic-acid bacteria content, main responsible of fermentation process. Best results were observed through using sorghum as a source of carbohydrates and cheese whey as a source of lactic-acid bacteria, for both, decrease of pH and reduction of some microbiological indicators, including bacteria that produce sulfuric acid. Therefore, silage process, applied to swine manure, induces the decrease of pH for action of lactic-acid bacteria until limit the survival of bacteria associated with fecal contamination, making of swine a transformed and microbiologically safe residue for its handling and subsequent use.",
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Ruvalcaba-Gómez, JM, Arteaga-Garibay, RI, Domínguez-Araujo, G, Galindo-Barboza, AJ, Salazar-Gutiérrez, G, Martínez-Peña, MD & Delgado-Macuil, RJ 2019, 'Uso de bacterias ácido lácticas para descontaminación de estiércol porcino mediante ensilaje experimental', Revista Internacional de Contaminacion Ambiental, pp. 247-257. https://doi.org/10.20937/RICA.2019.35.01.18

Uso de bacterias ácido lácticas para descontaminación de estiércol porcino mediante ensilaje experimental. / Ruvalcaba-Gómez, José Martín; Arteaga-Garibay, Ramón Ignacio; Domínguez-Araujo, Gerardo; Galindo-Barboza, Alberto Jorge; Salazar-Gutiérrez, Gerardo; Martínez-Peña, Marcos Daniel; Delgado-Macuil, Raúl Jacobo.

In: Revista Internacional de Contaminacion Ambiental, 01.01.2019, p. 247-257.

Research output: Contribution to journalArticleResearchpeer-review

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AU - Arteaga-Garibay, Ramón Ignacio

AU - Domínguez-Araujo, Gerardo

AU - Galindo-Barboza, Alberto Jorge

AU - Salazar-Gutiérrez, Gerardo

AU - Martínez-Peña, Marcos Daniel

AU - Delgado-Macuil, Raúl Jacobo

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Ruvalcaba-Gómez JM, Arteaga-Garibay RI, Domínguez-Araujo G, Galindo-Barboza AJ, Salazar-Gutiérrez G, Martínez-Peña MD et al. Uso de bacterias ácido lácticas para descontaminación de estiércol porcino mediante ensilaje experimental. Revista Internacional de Contaminacion Ambiental. 2019 Jan 1;247-257. https://doi.org/10.20937/RICA.2019.35.01.18