Effects of replacing extruded maize by dried citrus pulp in a mixed diet on ruminal fermentation, methane production, and microbial populations in rusitec fermenters
14 páginas, 5 tablas, 1 figura.
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Multidisciplinary Digital Publishing Institute
2020
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| Subjects: | Citrus pulp, Extruded maize, qPCR, ARISA, Microbial protein synthesis, Methane, Rusitec, |
| Online Access: | http://hdl.handle.net/10261/223906 |
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dig-igm-es-10261-2239062021-12-27T16:33:15Z Effects of replacing extruded maize by dried citrus pulp in a mixed diet on ruminal fermentation, methane production, and microbial populations in rusitec fermenters García-Rodríguez, J. Saro, Cristina Mateos, Iván González, Jesús Salvador Carro Travieso, Mª Dolores Ranilla, María José Ministerio de Ciencia, Innovación y Universidades (España) Universidad de León Citrus pulp Extruded maize qPCR ARISA Microbial protein synthesis Methane Rusitec 14 páginas, 5 tablas, 1 figura. Citrus pulp is a highly abundant by-product of the citrus industry. The aim of this study was to assess the effects of replacing extruded maize (EM; 20% of total diet) by dried citrus pulp (DCP; 20%) in a mixed diet on rumen fermentation and microbial populations in Rusitec fermenters. The two diets contained 50% alfalfa hay and 50% concentrate, and the same protein level. Four Rusitec fermenters were used in a cross-over design with two 13-d incubation runs. After 7-d of diet adaptation, diet disappearance, fermentation parameters, microbial growth, and microbial populations were assessed. Fermenters receiving the DCP showed greater pH values and fiber disappearance (p < 0.001) and lower methane production (p = 0.03) than those fed EM. Replacing EM by DCP caused an increase in the proportions of propionate and butyrate (p < 0.001) and a decrease in acetate (p = 0.04). Microbial growth, bacterial diversity, and the quantity of bacteria and protozoa DNA were not affected by the diet, but the relative abundances of fungi and archaea were greater (p < 0.03) in solid and liquid phases of DCP fermenters, respectively. Results indicate that DCP can substitute EM, promoting a more efficient ruminal fermentation. This research was funded by Ministerio de Ciencia, Innovación y Universidades, ProjectAGL2016-75322-C2-2-R. J.G.-R. was supported by a pre-doctoral contract funded by Universidad de León (Programa propio de investigación). 2020-11-27T12:00:20Z 2020-11-27T12:00:20Z 2020 2020-11-27T12:00:20Z artículo http://purl.org/coar/resource_type/c_6501 doi: 10.3390/ani10081316 issn: 2076-2615 Animals 10 (8): 01316 (2020) http://hdl.handle.net/10261/223906 10.3390/ani10081316 32751690 #PLACEHOLDER_PARENT_METADATA_VALUE# info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/AGL2016-75322-C2-2-R Publisher's version http://dx.doi.org/10.3390/ani10081316 Sí open Multidisciplinary Digital Publishing Institute |
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Citrus pulp Extruded maize qPCR ARISA Microbial protein synthesis Methane Rusitec Citrus pulp Extruded maize qPCR ARISA Microbial protein synthesis Methane Rusitec |
| spellingShingle |
Citrus pulp Extruded maize qPCR ARISA Microbial protein synthesis Methane Rusitec Citrus pulp Extruded maize qPCR ARISA Microbial protein synthesis Methane Rusitec García-Rodríguez, J. Saro, Cristina Mateos, Iván González, Jesús Salvador Carro Travieso, Mª Dolores Ranilla, María José Effects of replacing extruded maize by dried citrus pulp in a mixed diet on ruminal fermentation, methane production, and microbial populations in rusitec fermenters |
| description |
14 páginas, 5 tablas, 1 figura. |
| author2 |
Ministerio de Ciencia, Innovación y Universidades (España) |
| author_facet |
Ministerio de Ciencia, Innovación y Universidades (España) García-Rodríguez, J. Saro, Cristina Mateos, Iván González, Jesús Salvador Carro Travieso, Mª Dolores Ranilla, María José |
| format |
artículo |
| topic_facet |
Citrus pulp Extruded maize qPCR ARISA Microbial protein synthesis Methane Rusitec |
| author |
García-Rodríguez, J. Saro, Cristina Mateos, Iván González, Jesús Salvador Carro Travieso, Mª Dolores Ranilla, María José |
| author_sort |
García-Rodríguez, J. |
| title |
Effects of replacing extruded maize by dried citrus pulp in a mixed diet on ruminal fermentation,
methane production, and microbial populations in rusitec fermenters |
| title_short |
Effects of replacing extruded maize by dried citrus pulp in a mixed diet on ruminal fermentation,
methane production, and microbial populations in rusitec fermenters |
| title_full |
Effects of replacing extruded maize by dried citrus pulp in a mixed diet on ruminal fermentation,
methane production, and microbial populations in rusitec fermenters |
| title_fullStr |
Effects of replacing extruded maize by dried citrus pulp in a mixed diet on ruminal fermentation,
methane production, and microbial populations in rusitec fermenters |
| title_full_unstemmed |
Effects of replacing extruded maize by dried citrus pulp in a mixed diet on ruminal fermentation,
methane production, and microbial populations in rusitec fermenters |
| title_sort |
effects of replacing extruded maize by dried citrus pulp in a mixed diet on ruminal fermentation,
methane production, and microbial populations in rusitec fermenters |
| publisher |
Multidisciplinary Digital Publishing Institute |
| publishDate |
2020 |
| url |
http://hdl.handle.net/10261/223906 |
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