Calidad forrajera de la ingesta caprina, en la meseta central del sur de Mendoza (Argentina)

Patricio Mario Dayenoff; Javier Eduardo Macario; Ignacio Kotani; José Luis Roberi; María Soledad Gorrachategui; Agustín Nicolás; Miguel Angel Bolaño

doi:10.19137/cienvet202325202

Patricio Mario Dayenoff National University of La Pampa. Faculty of Veterinary Sciences
Javier Eduardo Macario National Institute of Agricultural Technology (INTA)
Ignacio Kotani National University of La Pampa. Faculty of Veterinary Sciences
José Luis Roberi National University of La Pampa. Faculty of Veterinary Sciences
María Soledad Gorrachategui National University of La Pampa. Faculty of Veterinary Sciences
Agustín Nicolás National University of La Pampa. Faculty of Veterinary Sciences
Miguel Angel Bolaño National University of La Rioja

DOI:

https://doi.org/10.19137/cienvet202325202

Keywords:

Goat production, Forage quality, Intake by simulation

Abstract

The objective of this study was to determine the forage quality of goat intake in a natural pasture in the Meseta Central del Sur de Mendoza (Argentina). The test was carried out by simulating the goat intake with manual harvesting of the plant species that make up the intake of Creole goats under direct grazing, including the species that were present above 1% in each of the phenological moments. Six samples were simulated for each vegetative period and the percentage of Crude Protein, Neutral Detergent Fiber, Acid Detergent Fiber, Digestibility of Dry Mater (DMS) and Metabolic Energy (ME) were evaluated for each sample. The difference between the means according to phenological moment was made by ANAVA and Tukey's test, for the variables evaluated. The results obtained showed that at the time of regrowth is when the highest level of crude Protein (20.51±1.14%) and Expected Digestibility of Dry Matter (72.13±1.68%) shows the goat intake, with a significant statistical difference (p<0.05), in relation to the other phenological moments considered. Despite this, forage quality levels both in pre-flowering (13.92±0.83% and DEMS 67.66±2.27%) and in vegetative rest (P.B. 9.93±0.62% and DEMS 61.33±1.72%) can be considered good, since they are enough to cover the needs of the Creole goats used in this trial. It can be concluded by saying that the Criolla goat in direct grazing of the vegetation in the South Central Plateau of Mendoza maintains a good quality forage intake throughout the year based on the selection of the plant species it consumes.

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Contribuciones de autor
“Todos los autores contribuyeron a la concepción y el diseño del estudio. La preparación del material, la recopilación y el análisis de datos fueron realizados por Patricio Dayenoff, Javier Macario, Ignacio Kotani, José Luis Roberi, María Soledad Gorrachategui, Agustín Nicolás y Miguel Ángel Bolaño. El primer borrador del manuscrito fue escrito por Patricio Dayenoff y todos los autores comentaron las versiones anteriores del manuscrito. Todos los autores leyeron y aprobaron el manuscrito final." “Supervisión: Patricio Dayenoff
Conflicto de intereses
Los autores declaran por escrito, no tener vínculo o compromiso que condicione lo expresado en el artículo de su autoría y que pueda ser entendido como conflicto de intereses.