Abstract
Abstract A collection of 23 Flemingia macrophylla (Willd.) Merrill accessions of different growth habits and contrasting digestibility and one Flemingia stricta reference accession were assessed for forage quality with particular emphasis on digestibility, condensed tannin concentration and fiber content. Large differences in in vitro dry matter digestibility (IVDMD) (356 to 598 g kg −1 ), content of crude protein (CP) (121 to 254 g kg −1 ) and extractable condensed tannins (CT) (0 to 268 g kg −1 ), protein‐binding capacity of extractable CT or astringency (1.7 to 7.9 protein‐binding entities) (PBE) and monomer composition of extractable CT were detected. IVDMD and extractable CT were negatively correlated and extractable CT was positively correlated with protein‐binding capacity. Prodelphinidin was positively and propelargonidin negatively correlated with protein‐binding capacity of extractable CT. The accessions CIAT 18438, CIAT 21083, CIAT 21090 and CIAT 22082 were superior to the most widely used accession CIAT 17403 in terms of forage quality and could be an option in production systems with acid infertile soils. In future evaluations, particular attention needs to be paid to chemical and structural features related to the composition of extractable CT and their effect on nitrogen utilization by ruminants. Copyright © 2006 Society of Chemical Industry
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Claims 11
Claim · model-written summary
Accessions varied in dry matter digestibility from 356 to 598 g kg −1.
Not reportedTaxon
Verbatim
e0“in vitro dry matter digestibility (IVDMD) (356 to 598 g kg −1 )”
Claim · model-written summary
Crude protein content varied from 121 to 254 g kg −1.
Not reportedTaxon
Verbatim
e0“content of crude protein (CP) (121 to 254 g kg −1 )”
Claim · model-written summary
Extractable condensed tannins varied from 0 to 268 g kg −1.
Not reportedTaxon
Verbatim
e0“extractable condensed tannins (CT) (0 to 268 g kg −1 )”
Claim · model-written summary
Tannin protein-binding capacity varied from 1.7 to 7.9 protein-binding entities.
Not reportedTaxon
Verbatim
e0“protein‐binding capacity of extractable CT or astringency (1.7 to 7.9 protein‐binding entities)”
Claim · model-written summary
Monomer composition of extractable tannins differed among accessions.
Not reportedTaxon
Verbatim
e0“Large differences in in vitro dry matter digestibility (IVDMD) (356 to 598 g kg −1 ), content of crude protein (CP) (121 to 254 g kg −1 ) and extractable condensed tannins (CT) (0 to 268 g kg −1 ), protein‐binding capacity of extractable CT or astringency (1.7 to 7.9 protein‐binding entities) (PBE) and monomer composition of extractable CT were detected”
Claim · model-written summary
Digestibility and extractable condensed tannins were negatively correlated.
Not reportedTaxon
Verbatim
e0“IVDMD and extractable CT were negatively correlated”
Claim · model-written summary
Extractable tannins and protein-binding capacity were positively correlated.
Not reportedTaxon
Verbatim
e0“extractable CT was positively correlated with protein‐binding capacity”
Claim · model-written summary
Prodelphinidin was positively correlated with tannin protein-binding capacity.
Not reportedTaxon
Verbatim
e0“Prodelphinidin was positively and propelargonidin negatively correlated with protein‐binding capacity of extractable CT”
Claim · model-written summary
Propelargonidin was negatively correlated with tannin protein-binding capacity.
Not reportedTaxon
Verbatim
e0“Prodelphinidin was positively and propelargonidin negatively correlated with protein‐binding capacity of extractable CT”
Claim · model-written summary
Four CIAT accessions had better forage quality than CIAT 17403.
- Material
- CIAT 18438, CIAT 21083, CIAT 21090 and CIAT 22082e0
- Outcome
- forage qualitye0
- Direction
- superiore0
- Comparator
- CIAT 17403e0
Not reportedTaxon
Verbatim
e0“The accessions CIAT 18438, CIAT 21083, CIAT 21090 and CIAT 22082 were superior to the most widely used accession CIAT 17403 in terms of forage quality”
Claim · model-written summary
The four superior accessions could be used in acid infertile soil production systems.
Not reportedTaxon
Verbatim
e0“could be an option in production systems with acid infertile soils”