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Comportamiento de Panicum maximum ʻGattonʼ en dos sistemas de pastoreo

Authors: Casado, Maria Veronica; Cavalieri, Jessika Mariel;

Comportamiento de Panicum maximum ʻGattonʼ en dos sistemas de pastoreo

Abstract

La producción de forraje puede incrementarse sustentablemente con un manejo intensivo, esto permite cubrir baches de alimentación e incrementar la cantidad y calidad de la pastura. El objetivo del presente estudio fue analizar el efecto de dos manejos de pastoreo; extensivo convencional vs. intensivo; sobre la producción, calidad y persistencia de Panicum maximum ʻGattonʼ. El ensayo fue realizado en el establecimiento “Las Curiosas” en la localidad de Avia Terai, Provincia de Chaco. Se midió, la producción de forraje; % de Proteína Bruta (PB); % de Fibra Detergente Neutro (FDN) y la persistencia de la pastura, bajo los dos manejos realizados. Los períodos de estudio fueron: primavera de 2011; verano-primavera de 2012 y verano de 2013. La Materia Seca (MS ha-1) no presentó diferencias significativas entre tratamientos (9746,7 vs. 8981,3 Kg. MS ha-1 en Intensivo y Convencional, respectivamente). Mientras que el % PB fue superior en el tratamiento Intensivo, el % FDN en éste, fue inferior en relación al Convencional. La persistencia, en % de cobertura fue superior en el tratamiento intensivo al finalizar el ensayo. En conclusión, el manejo intensivo, si bien no presentó valores de producción significativamente superiores al convencional, mostró una mayor calidad y mejor persistencia a lo largo de los períodos estudiados, por lo que sería un manejo a considerar para aumentar la calidad de la oferta forrajera, y la persistencia de Gatton Panic en el sistema.

Forage yield may sustainably increase with an intensive management, which allow a steady production and improve quantity and quality yield. The aim of this study was to analyze the effect of two types of grazing management (Conventional and Intensive) on yield, quality and persistence of Panicum maximum ʻGattonʼ. The experiment was carried out at “Las Curiosas” farm located at Avia Terai, Chaco province. Dry matter yield (DM), Crude Protein percentage, Neutral Detergent Fiber percentage and plant persistence were measured in both grazing managements treatments. Samples were taken at: spring 2011; summer-spring 2012 and summer 2013. DM yield didn’t present significant differences between treatments (9746,7 kg DM ha-1 vs 8981,3 kg DM ha-1 ) in Intensive and Conventional, respectively. Crude Protein percentage was superior in Intensive treatment, Neutral Detergent Fiber percentage was lower in Intensive treatment compared with Conventional treatment. Persistence, expressed as coverture percentage was higher in Intensive treatment at the end of this experiment. Intensive management treatment, didn’t show significant differences on yield production compared with conventional treatment, but it showed higher quality and persistence during the studied period. Intensive management would be a tool to increased quality and persistence of Gatton Panic in the system.

Fil: Cavalieri, Jessika Mariel. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Las Breñas. Agencia De Extensión Rural General Pinedo; Argentina

Fil: Casado, Maria Veronica. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Las Breñas; Argentina

EEA Las Breñas

Keywords

Grazing, Forage, Proteina Bruta, Livestock Management, Pastoreo, Forrajes, Crude Protein, Panicum maximum, Manejo del Ganado

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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