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dc.contributor.author
López, A.
dc.contributor.author
Arroquy, Jose Ignacio
dc.contributor.author
Juarez Sequeira, Ana Veronica
dc.contributor.author
DiLorenzo, N.
dc.contributor.author
Barrionuevo, M. C.
dc.contributor.author
Distel, Roberto Alejandro
dc.date.available
2018-12-05T13:00:54Z
dc.date.issued
2017-05-01
dc.identifier.citation
López, A.; Arroquy, Jose Ignacio; Juarez Sequeira, Ana Veronica; DiLorenzo, N.; Barrionuevo, M. C.; et al.; High-sulfate water consumption determines intake and metabolic responses to protein supplementation in lambs consuming low-quality forage1; American Society of Animal Science; Journal of Animal Science; 95; 5; 1-5-2017; 2111-2120
dc.identifier.issn
0021-8812
dc.identifier.uri
http://hdl.handle.net/11336/65830
dc.description.abstract
Twenty Hampshire lambs (31±4 kg BW) in individual metabolism cages were used in a 10 treatments by 2 period (n=4) trial, to evaluate the interaction between protein supplementation and sulfate water on intake and metabolic responses when fed on low quality grass hay (Megathyrsus maximus; 6.4% CP, 79.5% NDF). Treatment structure was a 2×5 factorial: 2 water qualities (WQ; low-sulfate [LS] and high-sulfate [HS]; 442 and 8,358 mg/kg of total dissolved solids, respectively) and 5 soybean meal levels (SBM; 0, 0.25, 0.50, 0.75 and 1.00% BW/d). After 15 d of adaptation, periods consisted of 5 d for determination forage and water intake, nitrogen balance and digestion measurements (d 16 to d 20); and for blood sampling and determination of ruminal hydrogen sulfide (H2S) concentration (d 21).Supplemental SBM × WQ interactions were significant for forage OM intake (FOMI; P=0.04) and total OM intake (TOMI; P=0.04), whereas a tendency was observed for total tract digestible OM intake (TTDOMI; P=0.07). Intake values of LS lambs were higher than those of HS lambs (P< 0.05) in the first and second level of SBM only. Water intake (WI) increased linearly (P<0.01) with SBM level, but was not affected by WQ (P= 0.39). Water quality and SBM supplementation affected total tract OM digestibility (TTOMD; P< 0.01); LS lambs had lower TTOMD than HS lambs (P< 0.01). Plasma urea N increased linearly in response to SBM (P < 0.01), but was not affected by WQ (P = 0.11). Nitrogen balance was not affected by SBM × WQ interaction (P> 0.12), except for N utilization (N-retained/N-intake ratio; P< 0.01). Regardless of WQ, N-intake (P> 0.01), N-urine (P> 0.01) and N-balance increased linearly (P> 0.01) with SBM level. Water quality adversely affected N-intake and N-balance, although at the highest level of SBM no differences in N-balance were observed between LS and HS lambs (P = 0.85). No changes due to WQ were observed for both urea reabsorbed by kidneys (P = 0.63) and glomerular filtration rate (GFR; P = 0.30), but renal function was affected by SBM level (P < 0.01). There was supplemental SBM × WQ interaction for ruminalH2S concentration (P < 0.01), due mainly to a greater concentration from 0.25% BW SBM in HS than in LS lambs. In conclusion, these results confirmed the existence of an interaction between sulfate water and supplemental protein, which alters intake and metabolic responses when lambs are fed low-quality grass hay.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
American Society of Animal Science
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Lambs
dc.subject
Low-Quality Forages
dc.subject
Nitrogen Supplementation
dc.subject
High-Sulfate Water
dc.subject.classification
Otras Producción Animal y Lechería
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Producción Animal y Lechería
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CIENCIAS AGRÍCOLAS
dc.title
High-sulfate water consumption determines intake and metabolic responses to protein supplementation in lambs consuming low-quality forage1
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-11-12T13:22:13Z
dc.journal.volume
95
dc.journal.number
5
dc.journal.pagination
2111-2120
dc.journal.pais
Estados Unidos
dc.journal.ciudad
Urbana
dc.description.fil
Fil: López, A.. Instituto Nacional de Tecnología Agropecuaria. Centro Regional Tucumán-Santiago del Estero. Estación Experimental Agropecuaria Santiago del Estero; Argentina. Universidad Nacional de Santiago del Estero. Facultad de Agronomía y Agroindustrias; Argentina
dc.description.fil
Fil: Arroquy, Jose Ignacio. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Santiago del Estero. Facultad de Agronomía y Agroindustrias; Argentina. Instituto Nacional de Tecnología Agropecuaria. Centro Regional Tucumán-Santiago del Estero. Estación Experimental Agropecuaria Santiago del Estero; Argentina
dc.description.fil
Fil: Juarez Sequeira, Ana Veronica. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Santiago del Estero. Facultad de Agronomía y Agroindustrias; Argentina
dc.description.fil
Fil: DiLorenzo, N.. University of Florida; Estados Unidos
dc.description.fil
Fil: Barrionuevo, M. C.. Universidad Nacional de Santiago del Estero. Facultad de Agronomía y Agroindustrias; Argentina
dc.description.fil
Fil: Distel, Roberto Alejandro. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional del Sur. Departamento de Agronomía; Argentina
dc.journal.title
Journal of Animal Science
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://academic.oup.com/jas/article/95/5/2111/4703651
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://dx.doi.org/10.2527/jas.2016.1264
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