Abstract
Abstract: The objective of this work was to assess the nutritive value of four elephant grass (Pennisetum purpureum) genotypes. The chemical composition, intake by sheep, and digestibility of different genotypes (G1, G2, G3, and G4) were evaluated. A dry matter (DM) digestibility assay was performed with total leftovers and feces collected from 20 sheep kept in metabolic cages. G3 had lower DM intake in grams per animal per day compared with G1 and G2, and it had greater digestibility, crude protein, neutral detergent fiber, and acid detergent fiber values. G1, G2, and G4 have the best nutritive values among the evaluated genotypes.
Highlights
Resumo – O objetivo deste trabalho foi determinar o valor nutritivo de quatro genótipos de capim-elefante (Pennisetum purpureum)
The objective of this work were to determine the nutritional value of four elephant grass genotypes and to identify the most promising genotypes
In the elephant grass samples, leftovers and feces, the following characteristics were determined: the dry matter (DM) contents by INCTCA G-003/1; crude protein (CP) by INCT-CA N-001/1; mineral matter (MM) by INCT-CA M-001/1; organic matter (OM) by INCT-CA M-001/1; ether extract (EE) by INCT-CA G-004/1 method; neutral detergent fiber (NDF) by INCT-CA F-001/1; neutral detergent fiber corrected for ashes and protein by INCT-CA F-001/1; acid detergent fiber (ADF) by INCT-CA F-003/1; and lignin (LIG) by INCT-CA F-005/1 according to the methodology of Detmann et al (2012)
Summary
Resumo – O objetivo deste trabalho foi determinar o valor nutritivo de quatro genótipos de capim-elefante (Pennisetum purpureum). In the elephant grass samples, leftovers and feces, the following characteristics were determined: the dry matter (DM) contents by INCTCA G-003/1; crude protein (CP) by INCT-CA N-001/1; mineral matter (MM) by INCT-CA M-001/1; organic matter (OM) by INCT-CA M-001/1; ether extract (EE) by INCT-CA G-004/1 method; neutral detergent fiber (NDF) by INCT-CA F-001/1; neutral detergent fiber corrected for ashes and protein (apNDF) by INCT-CA F-001/1; acid detergent fiber (ADF) by INCT-CA F-003/1; and lignin (LIG) by INCT-CA F-005/1 according to the methodology of Detmann et al (2012).
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