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Article
2024
Relationship between nutritional composition and fibre digestibility in tropical forages compared to temperate forages
Relationship between nutritional composition and fibre digestibility in tropical forages compared to temperate forages
Abstract (English)
The study aimed to analyse variability in nutrient concentration and fibre digestibility in forage legumes and grasses from tropical and temperate regions and identify forage species with similar fibre concentration and digestibility. Forty-five samples comprised 22 tropical forage legumes, four temperate forage legumes, eleven tropical grasses, and eight temperate grasses were analysed for their proximate nutritional composition, as well as fibre digestibility by 240-h of in vitro incubation in buffered rumen fluid. All data were analysed using SAS (SAS Institute Inc., USA). Pearson correlations and multiple linear regressions were determined using CORR and GLM procedures, respectively. Cluster analyses were done using CLUSTER procedures. Tropical forage legumes had greater ash-corrected neutral detergent fibre (aNDFom) concentrations compared to temperate forage legumes, but lower aNDFom concentrations compared to tropical and temperate grasses. Tropical forage legumes had greater undigested neutral detergent fibre estimated after 240 h in vitro incubation (uNDF240) concentrations compared to other forages. In tropical forage legumes, aNDFom and lignin concentrations correlated with uNDF240 concentration (p < 0.001). Meanwhile, there were no relationships between explanatory variables and fibre digestibility (p > 0.100). Four clusters of forage species varying in fibre concentration and fibre digestibility were identified. Peanut, lima bean, and cowpea forages might have low fibre concentration and medium fibre digestibility similar to those of alfalfa and red clover. Despite differences in environmental conditions, tropical forage legumes might compete with temperate species in terms of nutrient and fibre quality. This information allows tropical farmers to improve forage quality by choosing appropriate species.
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Italian journal of animal science, 23 (2024), 1, 1839-1853.
https://doi.org/10.1080/1828051X.2024.2434697.
ISSN: 1828-051X
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English
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630 Agriculture
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Sustainable Development Goals
BibTeX
@article{Nurdianti2024,
doi = {10.1080/1828051X.2024.2434697},
url = {https://hohpublica.uni-hohenheim.de/handle/123456789/17111},
author = {Nurdianti, Risma Rizkia and Dickhöfer, Uta and Castro-Montoya, Joaquín Miguel et al.},
title = {Relationship between nutritional composition and fibre digestibility in tropical forages compared to temperate forages},
journal = {Italian journal of animal science},
year = {2024},
volume = {23},
number = {1},
pages = {1839--1853},
}