Role of Secondary Plant Metabolites on Enteric Methane Mitigation in Ruminants

Kú-Vera, Juan Carlos; Jiménez-Ocampo, Rafael; Valencia-Salazar, Sara Stephanie; Montoya-Flores, María Denisse; Molina-Botero, Isabel Cristina; Arango, Jacobo; Bravo, Carlos Gómez; Aguilar-Pérez, Carlos Fernando; Solorio‐Sánchez, Francisco Javier

doi:10.3389/fvets.2020.00584

Cited by 142 publications

(113 citation statements)

References 122 publications

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“…Wallace et al [ 35 ] proposed that saponins form complexes with sterols on the surface of the protozoal membrane, which causes impairment and disintegration. Tannins can directly affect methanogen bacteria, but not for protozoa [ 36 ]. They may indirectly affect protozoal number [ 36 ], and a possible mechanism has been proposed by Tavendale et al [ 37 ].…”

Section: Discussionmentioning

confidence: 99%

“…Tannins can directly affect methanogen bacteria, but not for protozoa [ 36 ]. They may indirectly affect protozoal number [ 36 ], and a possible mechanism has been proposed by Tavendale et al [ 37 ]. That is, tannins may bind to proteinaceous adhesin or part of the cell envelope of methanogenic archaea, which impairs the methanogen–protozoa complex formation, decreases interspecies hydrogen transfer, and inhibits methanogen growth.…”

Section: Discussionmentioning

confidence: 99%

“…That is, tannins may bind to proteinaceous adhesin or part of the cell envelope of methanogenic archaea, which impairs the methanogen–protozoa complex formation, decreases interspecies hydrogen transfer, and inhibits methanogen growth. Methanogenic archaea and protozoa have a symbiotic association [ 36 ]; thus, tannins indirectly affect the protozoal number.…”

Section: Discussionmentioning

confidence: 99%

“…Protozoa can provide hydrogen for the methanogen bacteria and act as the host for methanogen [ 31 ], thus lowering the protozoal number with a reduction of CH 4 production. Tannins can directly affect methanogenesis by suppressing ruminal archaea, but not removing protozoa [ 36 ]. As methanogens attach to protozoa, tannins’ effect on protozoa could decrease CH 4 production because protozoa can synergistically offer hydrogen for the methanogenesis process [ 31 ].…”

Section: Discussionmentioning

confidence: 99%

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Influence of Supplementing Sesbania grandiflora Pod Meal at Two Dietary Crude Protein Levels on Feed Intake, Fermentation Characteristics, and Methane Mitigation in Thai Purebred Beef Cattle

Unnawong

Cherdthong

2021

Veterinary Sciences

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The aim of the study was to evaluate the effect of crude protein (CP) levels in concentrate and Sesbania grandiflora pod meal (SG) supplementation on feed intake, rumen fermentation, and methane (CH4) mitigation in Thai purebred beef cattle. Four cattle with 100 ± 5.0 kg body weight were used in this study. A 2 × 2 factorial experiment in a 4 × 4 Latin square design was conducted, in which factor A was the CP levels in concentrate of 14% and 16% of dry matter (DM) and factor B was the supplement levels of SG at 0.4% and 0.6% DM intake, respectively. The results showed that the CP content in concentrate and SG supplementation had no interaction effect on intake, digestibility, ruminal ecologies, ruminal fermentation products, and nitrogen utilization. Increasing CP content to 16% significantly (p < 0.05) increased the ruminal ammonia nitrogen (NH3-N), nitrogen (N) intake, N absorption, and N retention. SG supplementation significantly (p < 0.05) decreased CP digestibility, NH3-N, blood urea nitrogen, and protozoa. In addition, SG significantly decreased acetate (C2), acetate to propionate ratio, methane, and fecal N excretion, while it significantly increased total volatile fatty acids (VFAs) and propionate (C3) concentration. In conclusion, SG could mitigate methane emission and enhance nitrogen utilization.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

See 2 more Smart Citations

Influence of Supplementing Sesbania grandiflora Pod Meal at Two Dietary Crude Protein Levels on Feed Intake, Fermentation Characteristics, and Methane Mitigation in Thai Purebred Beef Cattle

Unnawong

Cherdthong

2021

Veterinary Sciences

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“…It may indirectly affect protozoal number [35], and a possible mechanism has been proposed by Tavendale et al [36], tannins may bind to proteinaceous adhesin or part of the cell envelope of methanogenic archaea, which impaired the methanogen-protozoa complex formation and decreased interspecies hydrogen transfer and inhibited methanogen growth. Methanogenic archaea and protozoa had a symbiotic association [35], thus tannins indirectly affected the protozoal number.…”

Section: Ph Ammonia Nitrogen Protozoa and Blood Urea-nitrogenmentioning

confidence: 99%

Influence of Supplementing Sesbania Grandiflora Pod Meal at Two Dietary Crude Protein Levels on Feed Intake, Fermentation Characteristics, and Methane Mitigation in Thai Purebred Beef Cattle

Unnawong¹,

Cherdthong²,

So³

2020

Preprint

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The aim of the study was to evaluate the effect of crude protein (CP) levels in concentrate and Sesbania grandiflora pod meal (SG) supplementations on feed intake, rumen fermentation, and methane (CH4) mitigation in Thai purebred beef cattle. Four cattle with 100 ± 5.0 kg body weight were used in this study. A 2 × 2 factorial experiment in a 4 × 4 Latin square design were conducted, in which factor A was the CP contents in concentrate of 14, and 16% of dry matter (DM) and factor B was the supplement contents of SG at 0.4% and 0.6% DM intake, respectively. The results showed that the CP contents in concentrate and SG had no interaction effect on intake, digestibility, ruminal ecologies, ruminal fermentation products, and nitrogen utilization. Increasing CP contents in concentrate did not influence DM intake and nutrients’ digestibility, and SG supplementation at 0.6% significantly (P<0.05) decreased CP digestibility. Increasing CP content to 16% increased significantly (P<0.05) the ruminal ammonia nitrogen (NH3-N) concentration while decreased significantly (P<0.05) the NH3-N concentration, protozoal number, and blood urea nitrogen (BUN) at 4 h post-feeding. The 0.6% supplementation of the SG increased significantly average total volatile fatty acids (VFAs) and propionate (C3) concentration while decreased significantly average acetate (C2), C2:C3 ratio, and CH4 production, which was 2.71% for C2, 13.17% for C2:C3 ratio, and 4.37% for CH4 production lower than 0.4% supplementation. Fecal nitrogen excretion was significantly decreased when supplemented with 0.6% of the SG. In conclusion, 0.6% of the SG supplementation showed a greater effect on intake, rumen manipulation, and CH4 mitigation and would recommend supplementation to a concentrate-based diet containing either 14% or 16% CP content.

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Untangling the Structure and Function of Rumen Microbes in Relation to Ruminant Health and Exploring Their Biotechnological Applications

2022

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Role of Secondary Plant Metabolites on Enteric Methane Mitigation in Ruminants

Cited by 142 publications

References 122 publications

Influence of Supplementing Sesbania grandiflora Pod Meal at Two Dietary Crude Protein Levels on Feed Intake, Fermentation Characteristics, and Methane Mitigation in Thai Purebred Beef Cattle

Influence of Supplementing Sesbania grandiflora Pod Meal at Two Dietary Crude Protein Levels on Feed Intake, Fermentation Characteristics, and Methane Mitigation in Thai Purebred Beef Cattle

Influence of Supplementing Sesbania Grandiflora Pod Meal at Two Dietary Crude Protein Levels on Feed Intake, Fermentation Characteristics, and Methane Mitigation in Thai Purebred Beef Cattle

Untangling the Structure and Function of Rumen Microbes in Relation to Ruminant Health and Exploring Their Biotechnological Applications

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