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<p>Our objective was to collect information on algarrobo and parota pods from producers through surveys and to estimate pod production and dasometric variables of the trees, and on pods, to perform chemical analysis (dry matter, DM; crude protein, CP; and neutral detergent fiber, NDF), evaluate in vitro (biogas and methane production, DM degradation, DMDiv; CP, CPDiv; and NDF, NDFDiv at 72&#xa0;h), determine in situ DM digestibility (DMDis, CPDis, and NDF, NDFDis at 72&#xa0;h) and test nematicidal activity of organic extracts at different concentrations (2.5, 5, 10, 20 and 40&#xa0;mg mL<sup>−1</sup>). Ninety-five percent of 42 respondents mentioned algarrobo and parota trees as living fence, shade and food trees; 86% allow their cattle to consume the pods on their own. Algarrobo trees produced 1.28 times more pods than parota trees. Dry matter, NDF, NDFDiv, DMDis, CPDis and NDFDis contents were higher in parota pods, while biogas production was higher for algarrobo pods (<i>p</i> &lt; 0.05). Crude protein content, methane production, DMDiv, and CPDiv were not different between pod types (<i>p</i> &gt; 0.05). Different concentrations of the organic extract of parota pods did not cause differences in mortality. In contrast, the organic extract of algarrobo caused the highest mortality at a concentration of 10 and 20&#xa0;mg mL<sup>−1</sup>. The results of this study obtained through the chemical analysis and in vitro and in situ tests production complement the empirical information from the producers on algarrobo and parotta pods as an alternative for inclusion in the strategic planning of ruminant feeding.</p>

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In vitro and in situ characterization of mature algarrobo (Samanea saman) and parota (Enterolobium cyclocarpum) pods

  • 期刊论文

  • 发表日期：

    2025年10月24日

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  • Brenda Karina Morales-Campos,
  • Luis Antonio Saavedra-Jiménez,
  • Paulino Sánchez-Santillán,
  • Luis Alaniz-Gutiérrez,
  • Liliana Aguilar-Marcelino,
  • Nicolas Torres-Salado

摘要

Our objective was to collect information on algarrobo and parota pods from producers through surveys and to estimate pod production and dasometric variables of the trees, and on pods, to perform chemical analysis (dry matter, DM; crude protein, CP; and neutral detergent fiber, NDF), evaluate in vitro (biogas and methane production, DM degradation, DMDiv; CP, CPDiv; and NDF, NDFDiv at 72 h), determine in situ DM digestibility (DMDis, CPDis, and NDF, NDFDis at 72 h) and test nematicidal activity of organic extracts at different concentrations (2.5, 5, 10, 20 and 40 mg mL−1). Ninety-five percent of 42 respondents mentioned algarrobo and parota trees as living fence, shade and food trees; 86% allow their cattle to consume the pods on their own. Algarrobo trees produced 1.28 times more pods than parota trees. Dry matter, NDF, NDFDiv, DMDis, CPDis and NDFDis contents were higher in parota pods, while biogas production was higher for algarrobo pods (p < 0.05). Crude protein content, methane production, DMDiv, and CPDiv were not different between pod types (p > 0.05). Different concentrations of the organic extract of parota pods did not cause differences in mortality. In contrast, the organic extract of algarrobo caused the highest mortality at a concentration of 10 and 20 mg mL−1. The results of this study obtained through the chemical analysis and in vitro and in situ tests production complement the empirical information from the producers on algarrobo and parotta pods as an alternative for inclusion in the strategic planning of ruminant feeding.