Effect of the addition of Enterolobium cyclocarpum pods and Gliricidia sepium forage to Brachiaria brizantha on dry matter degradation, volatile fatty acid concentration, and in vitro methane production

The purpose of this study was to determine the in vitro fermentation and methane (CH 4 ) production in the grass Brachiaria brizantha (B) alone or when mixed with Gliricidia sepium forage (G) and/or Enterolobium cyclocarpum pods (E). Theses substrates were incubated in the following proportions: B10...

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Bibliographic Details
Published in:Tropical animal health and production 2020-11, Vol.52 (6), p.2787-2798
Main Authors: Molina-Botero, Isabel Cristina, Mazabel, Johanna, Arceo-Castillo, Jeyder, Urrea-Benítez, José Luis, Olivera-Castillo, Leticia, Barahona-Rosales, Rolando, Chirinda, Ngonidzashe, Ku-Vera, Juan, Arango, Jacobo
Format: Article
Language:English
Subjects:
Biomedical and Life Sciences
Brachiaria brizantha
Degradation
Design of experiments
Dry matter
Enterolobium cyclocarpum
Experimental design
Fatty acids
Fermentation
Forage
Gas production
Gliricidia sepium
Incubation
Legumes
Life Sciences
Livestock
Livestock feed
Livestock feeds
Methane
Oil and gas production
Organic matter
Reviews
Substrates
Veterinary Medicine/Veterinary Science
Zoology
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Summary:The purpose of this study was to determine the in vitro fermentation and methane (CH 4 ) production in the grass Brachiaria brizantha (B) alone or when mixed with Gliricidia sepium forage (G) and/or Enterolobium cyclocarpum pods (E). Theses substrates were incubated in the following proportions: B100 (B100%), B85E15 (B85% + E15%), B85G15 (B85% + G15%), B85GE15 (B85% + G7.5% + E7.5%), and B70GE30 (B70% + G15% + E15%). Dry matter degradation (DMD), volatile fatty acid (VFA) concentration, and CH 4 production were measured at 12, 24, and 48 h of incubation. Experimental design was a randomized complete block. At 48-h incubation, DMD ranged between 46.5 and 51.2% ( P  = 0.0015). The lowest cumulative gas production (CGP) was observed in B85E15 and B85G15 (160 mL CGP/g organic matter, on average). At 48 h, B85G15 and B100 produced 28.8 and 30.2 mg CH4/g DMD, respectively, while B85E15 or the mixtures, 33.5 mg CH 4 /g DMD, on average ( P  ≤ 0.05). B85E15 and B70G30 had the highest concentration of total VFA ( P  ≤ 0.05). Results showed that B85E15 and B70GE30 favor DMD and increased total production of VFA and CH 4 at 48 h. Supplementing livestock feed with legume forages and pods allows improves the nutritional quality of the diet and the fermentation patterns.
ISSN:0049-4747
1573-7438
DOI:10.1007/s11250-020-02324-4