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dc.contributor.authorCOSTA, H. H. A.
dc.contributor.authorROGERIO, M. C. P.
dc.contributor.authorPOMPEU, R. C. F. F.
dc.contributor.authorLÔBO, R. N. B.
dc.contributor.authorLIMA, A. R.
dc.contributor.authorCOSTA, C. S.
dc.contributor.authorPEREIRA, E. S.
dc.contributor.authorGUEDES, F. L.
dc.contributor.authorMUIR, J. P.
dc.date.accessioned2025-01-03T14:47:16Z-
dc.date.available2025-01-03T14:47:16Z-
dc.date.created2025-01-03
dc.date.issued2021
dc.identifier.citationSouth African Journal of Animal Science, v. 51, n. 3, 2021.
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1171141-
dc.descriptionAbstract: The objective of this research was to evaluate lamb diets with a high proportion of concentrate and various levels of physically effective neutral detergent fibre (NDF) using tropical ingredients. Four diets were formulated: D1 with 16.5% physically effective NDF (peNDF), D2 with 21.4% peNDF, D3 with 23.3% peNDF, and D4 with 24.6% peNDF. Twenty male Santa Inês lambs at four months old with an average liveweight (LW) of 18.6 ± 3.4 kg were fed for 49 days. There were no differences (P >0.05) among the diets in dry matter (DM) intake. Crude protein (CP) intake, relative to either LW or metabolic live weight (LW0.75) or LW, was greater (P ≤0.05) for D2 and D3 than for D1 or D4. Lower (P ≤0.05) NDF intake, relative to LW0.75 or LW, was lower for D1 than for the other diets. Selection indexes (SIs) were similar (P >0.05) among diets. Animals that consumed D1 had less (P ≤0.05) rumination time per bolus. Meaningful variations were not observed in performance and efficiency of finishing lambs that were related to differences in peNDF among the diets. Santa Inês lambs were able to adapt to diets with low levels of peNDF by increasing rumination time as a consequence of increased fibre consumption and greater particle size selection.
dc.language.isoeng
dc.rightsopenAccess
dc.subjectAgro-industrial by-products
dc.subjectAverage particle size
dc.subjectRumen bypass protein
dc.subjectTropical feedstuffs
dc.subjectRaça Santa Inês
dc.titleEvaluation of high-concentrate diets that vary in physically effective neutral detergent fibre for finishing lambs.
dc.typeArtigo de periódico
dc.subject.thesagroOvino
dc.subject.thesagroCordeiro
dc.subject.thesagroNutrição Animal
dc.subject.nalthesaurusSheep feeding
dc.subject.nalthesaurusRuminant nutrition
dc.subject.nalthesaurusIndustrial byproducts
dc.subject.nalthesaurusLambs
dc.subject.nalthesaurusBrazil
dc.subject.nalthesaurusNutrient use efficiency
riaa.ainfo.id1171141
riaa.ainfo.lastupdate2025-01-03
dc.identifier.doi10.4314/sajas.v51i3.5
dc.contributor.institutionUNIVERSIDADE ESTADUAL VALE DO ACARAÚ; MARCOS CLAUDIO PINHEIRO ROGERIO, CNPC; ROBERTO CLAUDIO FERNANDES F POMPEU, CNPC; RAIMUNDO NONATO BRAGA LÔBO, CNPC; FEDERAL UNIVERSITY OF CEARÁ; FEDERAL UNIVERSITY OF CEARÁ; FERNANDO LISBOA GUEDES, CNPC; TEXAS A&M AGRILIFE RESEARCH.
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