Influence of forage type in the diet of sheep on rumen microbiota and fermentation characteristics

Saro, C. and Ranilla, M. J. and Tejido, M. L. and Carro Travieso, María Dolores (2014). Influence of forage type in the diet of sheep on rumen microbiota and fermentation characteristics. "Livestock Science", v. 160 ; pp. 52-59. ISSN 0301-6226. https://doi.org/10.1016/j.livsci.2013.12.005.

Description

Title: Influence of forage type in the diet of sheep on rumen microbiota and fermentation characteristics
Author/s:
  • Saro, C.
  • Ranilla, M. J.
  • Tejido, M. L.
  • Carro Travieso, María Dolores
Item Type: Article
Título de Revista/Publicación: Livestock Science
Date: February 2014
Volume: 160
Subjects:
Faculty: E.T.S.I. Agrónomos (UPM) [antigua denominación]
Department: Producción Agraria
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

An in vitro experiment was carried out using the Hohenheim gas production technique to evaluate 24-h gas production, apparently and truly degraded dry matter (DM), partitioning factor (PF), short chain fatty acids, crude protein (CP) and carbohydrate (CHO) fractionation of grass and multipurpose tree species (MPTS) foliage diets. Four grasses and three MPTS were used to formulate 12 diets of equal mixtures (0.5:0.5 on DM basis) of each grass with each MPTS. In vitro gas production was terminated after 24 h for each diet. True DM degradability was measured from incubated samples and combined with gas volume to estimate PF. Diets had greater (P<0.001) CP (102–183 g/kg DM) content than sole grasses (66–131 g/kg DM) and lower (P<0.001) concentrations of fibre fractions. Contrary to in vitro apparently degraded DM, in vitro truly degraded DM coefficient was greater (P<0.001) in diets (0.63–0.77) than in sole grasses (0.48–0.68). The PF was on average higher in diets than in sole grasses. The proportion of potentially degradable CP fractions (A1, B1, B2 and B3, based on the Cornell Net Carbohydrate and Protein System) in the diets ranged from 971 to 989 g/kg CP. Crude protein fractions, A and B2 were greater in diets but B1 and B3 fractions were less in diets than in sole grasses. A similar trend was also observed in the CHO fractions. Results showed that the nutritive value of the four grasses was improved when MPTS leaves were incorporated into the diet and this could ensure higher productivity of the animals.

Funding Projects

TypeCodeAcronymLeaderTitle
Government of SpainAGL2008-04707-C02-02UnspecifiedUnspecifiedUnspecified
Government of SpainAGL2011-22628UnspecifiedUnspecifiedUnspecified

More information

Item ID: 35234
DC Identifier: http://oa.upm.es/35234/
OAI Identifier: oai:oa.upm.es:35234
DOI: 10.1016/j.livsci.2013.12.005
Official URL: https://www.sciencedirect.com/science/article/pii/S1871141313005295#ack0005
Deposited by: Memoria Investigacion
Deposited on: 28 May 2015 14:16
Last Modified: 07 May 2019 13:24
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