Feeding value of dried shredded sugarbeets as a partial replacement for steam-flaked corn in finishing diets for feedlot cattle

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AudienciaPúblico en generales_ES
CoberturaMéxicoes_ES
Fecha de ingreso2026-10-05T16:34:23Z
Fecha de publicación2012-01-01
ResumenTwo experiments were conducted to evaluate the comparative feeding value of dried shredded sugarbeets (DSSB; 0, 20, and 40% of diet DM) as a replacement for steam-flaked corn (SFC) in finishing diets for feedlot cattle. In Exp. 1, 60 calf-fed Holstein steers (476 ± 6.3 kg) were used in a 97-d finishing trial. Substitution of SFC with DSSB did not affect ADG or DMI (P > 0.20). Increasing DSSB decreased gain efficiency (ADG:DMI; linear effect, P = 0.04) and dietary NE (linear effect, P = 0.03). Given that SFC has a NE<sub>m</sub> value of 2.38 Mcal/kg, the replacement NE<sub>m</sub> and NE<sub>g</sub> values for DSSB were 1.94 and 1.29 Mcal/kg, respectively. There were no treatment effects (P > 0.20) on carcass characteristics. In Exp. 2, 6 cannulated Holstein steers (205 kg) were used in a replicated 3 × 3 Latin square design to evaluate treatment effects on digestion. Ruminal digestion of starch, NDF, and feed N were not affected (P > 0.10) by DSSB, although ruminal OM digestion tended to increase (linear effect, P < 0.08). Replacing SFC with DSSB decreased flow of starch to the small intestine, but it increased flow of microbial N (linear effect, P = 0.05). There were no treatment effects (P > 0.14) on postruminal digestion of OM, NDF, starch, or feed N or total tract digestion of OM, starch, and N. Substitution of DSSB increased (linear effect, P = 0.05) total tract NDF digestion and decreased (linear effect, P = 0.05) dietary DE (Mcal/kg). Given that SFC has a DE value of 4.19 Mcal/kg, the replacement DE value of DSSB was 3.68 Mcal/kg. There were no treatment effects (P > 0.12) on ruminal pH or total VFA; however, DSSB decreased propionate (linear effect, P = 0.05) and increased acetate (linear effect, P = 0.07), butyrate (linear effect, P = 0.05), valerate (linear effect, P = 0.04), and estimated methane production (linear effect, P = 0.05). We concluded that DSSB may replace SFC in finishing diets at levels of up to 40% without detrimental effects on ADG and carcass characteristics. The NE value of DSSB is 82% that of SFC (DM basis). Partial replacement of SFC with DSSB alters ruminal VFA patterns, increasing estimated methane energy loss and slightly decreasing the efficiency of DE utilization.es_ES
Doihttps://doi.org/10.2527/jas.2011-4477es_ES
URIhttps://riuat.uat.edu.mx/handle/123456789/6157
Idiomaenes_ES
RelaciónJournal of Animal Sciencees_ES
URL relacionadohttps://doi.org/10.2527/jas.2011-4477es_ES
DerechosAcceso restringido / Suscripción (Metadatos de producción científica)es_ES
Licenciahttp://purl.org/coar/access_right/c_16eces_ES
FuenteJournal of Animal Science
Palabra claveCattlees_ES
Palabra claveDigestiones_ES
Palabra clavePerformancees_ES
Palabra claveSugarbeetes_ES
TítuloFeeding value of dried shredded sugarbeets as a partial replacement for steam-flaked corn in finishing diets for feedlot cattlees_ES
TipoArtículoes_ES
ArbitradoHa sido Arbitradoes_ES
AutorArrizon, A.
AutorCarrasco, R.
AutorSalinas-Chavira, J.
AutorMontano, M.
AutorTorrentera, N.
AutorZinn, R.A.
AutorArrizon, A.es_ES
AutorCarrasco, R.es_ES
AutorSalinas-Chavira, J.es_ES
AutorMontano, M.es_ES
AutorTorrentera, N.es_ES
AutorZinn, R.A.es_ES
InstituciónUniversidad Autónoma de Tamaulipas
InstituciónUniversidad Autónoma de Tamaulipases_ES
Número6es_ES
Rango de páginas1892-1897es_ES
URL relacionadahttps://doi.org/10.2527/jas.2011-4477
Tipo de artículoIndexado
Tipo de artículoIndexadoes_ES
Volumen90es_ES

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