<p>This study was conducted to explore the mineral profile of Commelina species in Konso zone, southern Ethiopia. Samples were collected from randomly selected areas. Mineral contents were analyzed and compared with ruminant mineral requirements. A two-way ANOVA was applied using a completely randomized design in a factorial arrangement involving five species (C. benghalensis, C. imberbis, C. diffusa, C. albescens, C. africana), two altitudes and two seasons with three replications per treatment. A total of 48 samples were collected for this study. The mineral profile of the species was significantly (<i>P</i> &lt; 0.001) influenced by both seasonal and altitudinal changes. Higher mineral contents were noted for the wet season and at low altitudes. The macro mineral accumulation significantly declined from the wet (1.41–4.78&#xa0;g/Kg) to the dry season (1.19–3.59&#xa0;g/Kg). Micromineral contents also decreased from mean range of 28.82-424.67&#xa0;mg/Kg in wet to 18.99–304.80&#xa0;mg/Kg in dry season. The macro (1.55–4.38&#xa0;g/Kg) and micro (31.47-412.67&#xa0;mg/Kg) mineral accumulation of the species in lowland decreased to 1.24–3.38&#xa0;g/Kg and 21.90-318.44&#xa0;mg/Kg of macro and micro minerals respectively in the midlands. All of the Commelina species accumulated mineral amounts sufficiently above the critical levels’ underlining that, Commelina species could be a potential source of macro (Ca, Na, Mg) and micro minerals (Fe, Zn, Cu, Mn) for small ruminants where ever grown in abundance. For lactating cows, feeding mixtures of different Commelina species or provision of Ca and Mg rich supplements is highly recommended, specially, during dry periods of the year.</p>

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Appraisal of mineral profile variability in Commelina forage species at different altitudes and seasons in Konso zone, Southern Ethiopia

  • Kebede Gelgelo,
  • Yisehak Kechero,
  • Dereje Andualem

摘要

This study was conducted to explore the mineral profile of Commelina species in Konso zone, southern Ethiopia. Samples were collected from randomly selected areas. Mineral contents were analyzed and compared with ruminant mineral requirements. A two-way ANOVA was applied using a completely randomized design in a factorial arrangement involving five species (C. benghalensis, C. imberbis, C. diffusa, C. albescens, C. africana), two altitudes and two seasons with three replications per treatment. A total of 48 samples were collected for this study. The mineral profile of the species was significantly (P < 0.001) influenced by both seasonal and altitudinal changes. Higher mineral contents were noted for the wet season and at low altitudes. The macro mineral accumulation significantly declined from the wet (1.41–4.78 g/Kg) to the dry season (1.19–3.59 g/Kg). Micromineral contents also decreased from mean range of 28.82-424.67 mg/Kg in wet to 18.99–304.80 mg/Kg in dry season. The macro (1.55–4.38 g/Kg) and micro (31.47-412.67 mg/Kg) mineral accumulation of the species in lowland decreased to 1.24–3.38 g/Kg and 21.90-318.44 mg/Kg of macro and micro minerals respectively in the midlands. All of the Commelina species accumulated mineral amounts sufficiently above the critical levels’ underlining that, Commelina species could be a potential source of macro (Ca, Na, Mg) and micro minerals (Fe, Zn, Cu, Mn) for small ruminants where ever grown in abundance. For lactating cows, feeding mixtures of different Commelina species or provision of Ca and Mg rich supplements is highly recommended, specially, during dry periods of the year.