The plant species with medicinal and feeding values have high capability to be used in range improvement programs. Understanding nutritional values of species in various phonological stages are important for range managers. Ferulago angulata (Schlecht.) Boiss is a medicinal plant species from Apiaceae family, widely distributed in Kohgiluyeh & Boyer-Ahmad province. Five stands of the plant species with three replications in vegetative, flowering and seed setting stages were collected randomly and analyzed using standard methods. Crude Protein (Pr), Dry Matter (DM), Crude Fat (CF), Acid Detergent Fiber (ADF), Neutral Detergent Fiber (NDF), Ash, Organic Material (OM), Digestible Dry Matter (DDM) and Metabolism Energy (ME) based on DDM of the samples were measured. According to the results, forage quality of the species in various habitats and phonological stages varied significantly. The highest nutritional values of the species were recorded in Abnahr and Margon habitats due to their limited watering points and low grazing pressure. Results indicated that the species had higher nutritional value in vegetative and flowering stages compared to seed set stage and meet the livestock nutritional requirements. Phonological studies can assist managers to select appropriate grazing time period.
 

Keywords: Ferulago angulata (Schlecht.) Boiss, Nutrient value, Medicinal, Habitat, Kohgiluyeh and Boyer-Ahmad.

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