Sulla (Sulla coronaria L.) nutritive value in calcareous soil pastures of Mediterranean area
- Biotechnology and Biomolecular Engineering Research Team, FSTT, Abdelmalek Essadi University Tetouan, Morocco
- Animal Production Research Unit, National Institute of Agricultural Research, 78 Av. Sidi Mohamed ben Abdellah, Tangier, Morocco
Received: 2024-03-28
Revised: 2024-06-27
Accepted: 2024-08-30
Published in Issue 2025-07-20
Copyright (c) 2025 Anass EL Yemlahi, Abdelhay Arakrak, Mounir Hassani Zerrouk, Amin Laglaoui, Mohammed Ayadi, Mohammed Bakkali (Author)

This work is licensed under a Creative Commons Attribution 4.0 International License.
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Abstract
In this study investigated the nutritive value of Sulla harvested from two calcareous soil sites containing different concentrations of CaCO3, i.e. Kariat Benaouda (10.7%) and Mosmoda (26.0%) located in the northwest of Morocco. Small differences emerged among samples as a result of the sampling site's effect regarding the crude protein and fiber content. However, a significant variation was observed concerning the mineral composition, particularly for iron (Fe) content. Comparatively, Sulla at the Mosmoda site had a higher Fe concentration (875 mg/kg Dray Matter (DM) at the vegetative stage and 194 mg/kg DM at the flowering stage) than at Kariat Benaouda (139 and 15.1 mg/kg DM, respectively). The results of measured secondary metabolites show a high concentration of total phenolics and oxalate content during the flowering stage at the Mosmoda site (4.88 %DM and 27.87 mg/100g, respectively) as compared with the Kariat Benaouda site (3.37 %DM and 16.07 mg/100g). Overall, the plant could maintain a very high value of organic matter digestibility, at the vegetative stage at both harvesting sites (71.11%OM at the Mosmoda site and 84.16%OM at Kariat Benaouda). These findings indicate the efficiency of Sulla for animal nutrition, to improve calcareous soil pastures indigenous to the Mediterranean area.
Keywords
- Sulla,
- Chemical composition,
- Antinutritional components,
- Calcareous soil
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