Chemical characteristics, degradation kinetics and gas production of arboreal species for ruminants

Leandro Pereira de Oliveira, André Luiz Rodrigues Magalhães, Ana Lúcia Teodoro, Albericio Pereira de Andrade, Kelly Cristina dos Santos, Gherman Garcia Leal de Araújo


The breeding systems of the small ruminants are extensive in the great majority, in which the animals are created in areas of native pasture named Caatinga, being necessary the knowledge on the chemical composition and its characteristics of feed degradation is crucial to increase nutrient use efficiency. Thereat, the objective of this study was to evaluate the chemical composition, the minerals, the carbohydrates and nitrogenous compounds fractionation, the degradability, in vitro dry matter digestibility and the in vitro gas production of arboreal species, those are consumed by goats and sheeps. The species evaluated were Cnidoscolus phyllacanthus (Muell. Arg.) Pax. et K. Hoffman, Mimosa tenuiflora (Willd.) Poiret, Myracrodruon urundeuva Fr. All., Poincianella bracteosa (Tul.) L. P. Queiroz, Spondias tuberosa Arr. Cam. and Ziziphus joazeiro Mart. It was found that Mimosa tenuiflora has a higher crude protein quantity (174.9 DM). Spondias tuberosa and Myracrodruon urundeuva had the highest values for total carbohydrates compared to the other species analyzed. As for the fractionation of nitrogenous compounds, the highest proportion of fraction A was found for Cnidoscolus phyllacanthus (375.5 CP). Among the species studied, Cnidoscolus phyllacanthus is highlighted with the highest ruminal degradation (61.63%) and dry matter digestibility (627.1 DM), reflecting higher gas production (206.02 mL.g-1 DM). Cnidoscolus phyllacanthus, Poincianella bracteosa and Myracrodruon urundeuva showed a greater availability of nutrients in the rumen which is fundamental to increase the amount of ruminal microbial protein which reaches the small intestine for use by the animal.


Goats; Native pasture; Semi-arid; Sheep

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ASSOCIATION OF OFFICIAL ANALYTICAL CHEMISTS. Official methods of analysis of AOAC international. 15 th ed. Virginia: AOAC, 1990. 684 p.

BHATTA, R. et al. Nutrient content, in vitro ruminal fermentation characteristics and methane reduction potential of tropical tannin-containing leaves. Journal of the Science of Food and Agriculture, v. 92, n. 15, p. 2929-9235, 2012.

DURMIC, Z. et al. Differences in the nutrient concentrations, in vitro methanogenic potential and other fermentative traits of tropical grasses and legumes for beef production systems in northern Australia. Journal of the Science of Food and Agriculture, v. 97, n. 12, p. 4075-4086, 2017.

HABIB, G. et al. Nutritive value of common tree leaves for livestock in the semi-arid and arid rangelands of Northern Pakistan. Livestock Science, v. 184, p. 64-70, 2016.

HOLDEN, L. A. Comparison of methods of in vitro dry matter digestibility for ten feeds. Journal of Dairy Science, v. 82, n. 8, p. 1791-1794, 1999.

IBGE. Censo Agro 2017. Disponível em: Acesso em: 20 fev. 2019.

LICITRA, G.; HERNANDEZ, T. M.; Van SOEST, P. J. Standardization of procedures for nitrogen fractionation of ruminant feeds. Animal Feed Science and Technology, v. 57, p. 347-358, 1996.

MALAVOLTA, E.; VITTI, G. C.; OLIVEIRA, S. A. Avaliação do estado nutricional das plantas: princípios e aplicações. 2. ed. Piracicaba: Potafos, 1997. 319 p.

NEVES, A. L. A. et al. Tabelas nordestinas de composição de alimentos para bovinos leiteiros. Brasília: Embrapa, 2014. 184 p.

NUNES, A. T. et al. Plants used to feed ruminants in semi-arid Brazil: a study of nutritional composition guided by local ecological knowledge. Journal of Arid Environments, v. 135, p. 96-103, 2016.

ØRSKOV, E. R.; McDONALD, I. The estimation of protein degradability in the rumen from incubation measurements weighted according to rate of passage. Journal of Agricultural Science, v. 92, p. 499-503, 1979.

OWENS, F. N.; BASSALAN, M. Ruminal fermentation. In: MILLEN, D.; DE BENI ARRIGONI, M.; LAURITANO PACHECO, R. (ed.). Rumenology. Switzerland: Springer, 2016. p. 66-102.

PAL, K. et al. Evaluation of several tropical tree leaves for methane production potential, degradability and rumen fermentation in vitro. Livestock Science, v. 180, p. 98-105, 2015.

PEREIRA, E. S. et al. Determination of the proteins and carbohydrates fractions and estimative of the energy value of forages and by-products in Brazilian Northeast. Semina: Ciências Agrárias, v. 31, n. 4, p. 1079-1094, 2010.

PEREIRA, V. L. A. et al. Valor nutritivo e consumo voluntário do feno de faveleira fornecido a ovinos no Semiárido pernambucano. Revista Caatinga, v. 25, n. 3, p. 96-101, 2012.

SANTANA, D. F. Y. et al. Caracterização da caatinga e da dieta de novilhos fistulados, na época chuvosa, no Semiárido de Pernambuco. Revista Brasileira de Zootecnia, v. 40, n. 1, p. 69-78, 2011.

SCHOFIELD, P.; PITT, R. E.; PELL, A. N. Kinetics of fiber digestion from in vitro gas-production. Journal of Animal Science, v. 72, n. 11, p. 2980-2991, 1994.

SENGER, C. C. D. et al. Evaluation of autoclave procedures for fibre analysis in forage and concentrate feedstuffs. Animal Feed Science and Technology, v. 146, p. 169-174, 2008.

SNIFFEN, C. J. et al. A net carbohydrate and protein system for evaluating cattle diets: II carbohydrate and protein availability. Journal of Animal Science, v. 70, n. 7, p. 3562-3577, 1992.

SOUZA, C. et al. Disponibilidade e valor nutritivo da vegetação de Caatinga no Semiárido norte riograndense do Brasil. Revista Holos, v. 3, p. 196-204, 2013.

THEODOROU, M. K. et al. A simple gas production method using a pressure transducer to determine the fermentation kinetics of ruminant feeds. Animal Feed Science and Technology, v. 48, p. 185-197, 1994.

TILLEY, J. M. A.; TERRY, R. A. A two-stage technique for the in vitro digestion of forage crops. Journal British of Grassland Society, v. 18, n. 2, p. 104-111, 1963.

VALENTE, T. N. P. et al. Evaluation of ruminal degradation profiles of forages using bags made from different textiles. Revista Brasileira de Zootecnia, v. 40, n. 11, p. 2565-2573, 2011.

Van SOEST, P. J. Use of detergents in the analysis of fibrous feeds. I. Preparation of fiber residues of low nitrogen content. Journal of the Association of Official Agricultural Chemists, v. 46, n. 5, p. 825-829, 1963a.

Van SOEST, P. J. Use of detergents in the analysis of fibrous feeds. II. A rapid method for the determination of fiber and lignin. Journal of the Association of Official Agricultural Chemists, v. 46, n. 5, p. 829-835, 1963b.

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