Effect of the addition of Enterolobium cyclocarpum pods and Gliricidia sepium forage to Brachiaria brizantha on dry matt
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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 Isabel Cristina Molina-Botero 1,2,3 & Johanna Mazabel 2 & Jeyder Arceo-Castillo 4 & José Luis Urrea-Benítez 2 & Leticia Olivera-Castillo 5 & Rolando Barahona-Rosales 6 & Ngonidzashe Chirinda 2,7 & Juan Ku-Vera 1 & Jacobo Arango 2 Received: 3 July 2019 / Accepted: 9 June 2020 # Springer Nature B.V. 2020
Abstract The purpose of this study was to determine the in vitro fermentation and methane (CH4) 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 CH4 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 CH4/g DMD, on average
* Jacobo Arango [email protected] 1
Laboratory of Climate Change and Livestock Production, Faculty of Veterinary Medicine and Animal Science, Autonomous University of Yucatán, Carretera Mérida-Xmatkuil km 15.5, Apdo, 4-116 Itzimná, C.P. 97100 Mérida, Yucatán, Mexico
2
Tropical Forages Program, International Center for Tropical Agriculture (CIAT), Km 17 Recta Cali-Palmira, Cali C.P. 763537, Valle del Cauca, Colombia
3
Present address: Department of Nutrition, Faculty of Animal Science, Agrarian National University La Molina, Av. La Molina s/n, La Molina, C.P. 15024 Lima, Perú
4
Department of Applied Physics, Center for Research and Advanced Studies of the National Polytechnic Institute (CINVESTAV-IPN), Carretera Antigua a Progreso Km. 6, C.P. 97310 Mérida, Yucatán, Mexico
5
Department of Marine Resources, Center for Research and Advanced Studies of the National Polytechnic Institute (CINVESTAV-IPN), Carretera Antigua a Progreso Km. 6, C.P. 97310 Mérida, Yucatán, Mexico
6
Department of Animal Husbandry, Faculty of Agricultural Sciences, Universidad Nacional de Colombia, Calle 59 A N 63-20, Medellín, Antioquia C.P. 050034, Colombia
7
Present address: Agricultural Innovation and Technology Transfer (AITTC), Mohammed VI 14 Polytechnic University (UM6P), Benguerir, Morocco
(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 CH4 at 48 h. Supplementing livestock feed with legume forages and pods allows improves the nutritional quality of the diet and th
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