Crecimiento de Pennisetum purpureum cv. Taiwán con diferentes fuentes de fertilización en pastoreo con bovinos

Guerra-Medina, Cándido Enrique; Coss, Alejandro Ley de; Reyes-Gutiérrez, José Andrés; Aveldaño-Arrazate, Carlos Hugo; Vicente-Pérez, Ricardo; Montañez‐Valdez, Oziel Dante

doi:10.19136/era.a8nii.2859

Cited by 1 publication

(3 citation statements)

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“…Chacón-Hernández and Vargas-Rodríguez ( 2009) recorded similar values -1.4, 1.4, and 1.3%, at 60, 75, and 90 harvesting days, respectively-to those obtained in this study. Guerra-Medina et al (2021) those found in this study. Umami et al (2020) reported 3.3 and 3.5% EE values in three Pennisetum purpureum cultivars.…”

Section: Ether Extractsupporting

confidence: 62%

“…Gómez-Gurrola et al (2015) reported the following values: 15.4, 11.9, 11.7, and 8.8% ash content, at 30, 60, 90, and 120 days after the cutting. Guerra-Medina et al (2021) recorded 21.3% ash value, at 45 days of age. These values far exceed those found in this study.…”

Section: Overall Discussionmentioning

confidence: 92%

“…Those results are similar to those obtained in this research. Guerra-Medina et al (2021) recorded the following ADF values in Taiwan grass, 45 days after the regrowth: 44.1 and 50.2% (with fertilization) and 43.4, 44.1, and 50.2% (without fertilization). The values obtained without fertilization are similar to those obtained in this study, after 60 days (stem, 43.2%; leaf, 40.4%).…”

Section: Acid Detergent Fibermentioning

confidence: 91%

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Chemical composition of Taiwan grass (Pennisetum purpureum Schum.) at different harvesting intervals

Pedroza

Montes

Flores-Santiago

et al. 2022

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Objective: To evaluate the effect of the harvesting interval on the quality of Taiwan grass (Pennisetum purpureum Schum.). Design/Methodology/Approximation: Crude protein (CP), in vitro dry matter digestibility (IVDMD), crude fiber (CF), neutral detergent fiber (NDF), acid detergent fiber (ADF), lignin, ether extract, and ashes were determined. Samples were collected from the Papaloapan experimental site of the Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias, Isla, State of Veracruz (18° 01’ 45’’ N, 95° 31’ 35’’ W). Treatments consisted of five harvesting intervals (30, 60, 90, 120, and 150 days). Data were analyzed under the general linear model and means were separated using Tukey’s test (P<0.05). Results: The nutritional value decreased (P<0.05) as the harvesting interval increased from 30 to 150 days. The following elements decreased: CP (leaves, from 12.3 to 3.7%; stems, from 8.9 to 2.1%), IVDMD (leaves, from 66.5 to 43.5%; stems, from 62.7 to 32.5%), ether extract (leaves, from 2.4 to 1.4%; stems, from 1.4 to 0.6%), and ashes (leaves, from 10.3 to 6.1%; stems, from 10.9 to 2.9%). On the contrary, the following elements increased: CF (leaves, from 28.4 to 41.1%; stems, from 33.4 to 44.5%), NDF (leaves, from 60.4 to 72.5%; stems, from 63.8 to 74.3%), ADF (leaves, from 36.7 to 46.8%; stems, from 34.6 to 50.7%), and lignin (leaves, from 9.7 to 15.3%; stems, from 11.0 to 18.3%). Study Limitations/Implications: Neither ˂30 days harvesting intervals nor yields (tons) per hectare were taken into account. Findings/Conclusions: Taiwan grass should be harvested at 60 days, when its nutritional value has not decreased too much.