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Biblioteca (s) :  INIA Tacuarembó.
Fecha :  30/05/2019
Actualizado :  22/04/2020
Tipo de producción científica :  Artículos en Revistas Indexadas Internacionales
Autor :  CAZZULI, F.; DE BARBIERI, I.; JAURENA, M.; SILVEIRA, C.; MONTOSSI, F.
Afiliación :  FIORELLA CARLA CAZZULI ALBA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; LUIS IGNACIO DE BARBIERI ETCHEBERRY, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; MARTIN ALEJANDRO JAURENA BARRIOS, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; CAROLINA INES SILVEIRA ROJAS, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; FABIO MARCELO MONTOSSI PORCHILE, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay.
Título :  Restricted oats grazing and its frequency of allocation affects calves´ performance on native grasslands.
Fecha de publicación :  2019
Fuente / Imprenta :  Arch. Zootec., 2019, v. 68, no. 262, p. 220-227.OPEN ACCESS. DOI: https://doi.org/10.21071/az.v68i262.4140
ISSN :  18854494
DOI :  10.21071/az.v68i262.4140
Idioma :  Inglés
Notas :  Article history: Recibido/Received: 25.01.2018; Aceptado/Accepted: 01.09.2018; On-line: 07.04.2019. Correspondencia a los autores/Contact e-mail: fcazzuli@inia.org.uy ACKNOWLEDGMENTS: This study was financially supported by INIA Uruguay. The authors would like to thank staff of “Glencoe” Research Station for their invaluable assistance during the present study.
Contenido :  SUMMARY: Nutritional constraints of rearing calves on native grasslands during their first winter is a common problem in Uruguay due to insufficient quality and quantity of forage. Winter supplementation on beef cattle grazing native grasslands using grains or their by-products has been studied before, but little attention has been given to restricting the access of animals to an adjacent enhanced forage basis, such as oats forage. Thirty-six castrated Hereford calves grazing native grasslands during their first winter were randomly allotted to one of the following treatments: (a) Everyday (E), with access to an adjacent oats forage crop for 4 hours a day (28 hours/week); (b) Monday-through-Friday (MthF), with access to the same crop for 5 hours 36 min per day (28 hours/week); (c) Control (C), where animals did not have any access to oats. The experiment was separated in two Phases: Phase I where treatments were applied (winter), and Phase II, after the treatments were applied (spring), to evaluate eventual carry-over effects. Restricted grazing on oats affected herbage mass and sward height of native grasslands in both experimental phases (P<0.01), being greater for E than C and MthF. Average daily gain (ADG) was affected in Phase I (P<0.01) by time-restricted grazing access to oats, being greater for E (745 g), followed by MthF (645 g) and then by C (377 g). During Phase II, ADG was greatest (P<0.05) for E (673 g), while MthF and C presented no differences between them (50... Presentar Todo
Palabras claves :  CAMPO NATURAL; FORRAJE COMO SUPLEMENTO; NATURAL MEADOW; RECRÍA RAZA CARNICERAS; SUPLEMENTACIÓN INFRECUENTE; VERDEO INVERNAL.
Asunto categoría :  A50 Investigación agraria
URL :  http://www.ainfo.inia.uy/digital/bitstream/item/12709/1/Montossi-2019-Archivos.pdf
Marc :  Presentar Marc Completo
Registro original :  INIA Tacuarembó (TBO)
Biblioteca Identificación Origen Tipo / Formato Clasificación Cutter Registro Volumen Estado
TBO102948 - 1INIAP - DD

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1.Imagen marcada / sin marcar ROMAN, L.; BANCHERO, G.; MORALES-PIÑEYRUA, J.; ACOSTA, Y.; MENDOZA, A.; PLA, M.; RAGGIO, V.; MEDINA, G.; WALLER, A.; LA MANNA, A. Efecto del acceso a sombra artificial durante el período seco en vacas lecheras Holando. In: Día de Campo Manejo de Estrés Térmico en Ganado Lechero. La Estanzuela: INIA, 2014. p. 19-22. (Serie Actividades de Difusión; 728).
Tipo: Documentos
Biblioteca(s): INIA La Estanzuela.
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