-Arzani, H., Torkan, J., Jafari, M., Jalili, A., Nikkhah, A., 2001. Effects of phenological stages and ecological factors on forage quality of some range species. Iranian Journal of Agricultural Science.32 (2): 385-397.
-Arzani, H., Ahmadi, A., Azarnivand, H. and Jafari, A. A. 2006.Comparison of forage quality of five rangeland species in different phenological stages. Journal of Agricultural Sciences 37:303-311.
-Baghestani . Meybodi, N., Arzani, H., 2006. An investigation of range plants, palatability and goat behavior in Posht-kooh rangelands, Yazd Province. Iranian Journal of Natural Resources. 38(4):909-920.
-Fayaz, M., 2012. Preference value of three species for sheep in steppe rangelands of Iran. Iran Natural Resources Journal. 65(4): 541-552.
-Fayaz, M.,. Mirhaji, T., Zargar Shoushtari, M., Rashvand S., Hoseini, S. A., Najib Zadeh M. R., -Habibian, S. M. R., Arzani, H. and Habibian. S. H., 2010. Comparison of Two Methods of Preference Value Determination of Plant Species for Goat in Semi-Steppe Rangelands in Fars Province. Iranian Journal of Range. 4(2): 188-197.
-Hashemi, P., Abolghasemi, M., Fakhari, A., Ebrahimi, S. N. and Ahmadi, S., 2007. Hydrodistillation–solvent microextraction and GC–MS identification of volatile components of Artemisia aucheri. Chromatographia. 66: 283-286.
-Hassani, J. and Shahmoradi, A. A., 2007. Autecology of Prangos ferulacea in Kurdistan province. Iranian Journal of Range and Desert Research. 14(2):171-184.
-Holechek, J. L., 1984. Comparative contribution of grasses, forbs, and shrubs to the nutrition of range ungulates. Rangelands:261-263.
-Hosseini Kahnuj, S. H., Erfanzadeh, R., Kamali, P., 2011. Evaluation of preference value and forage protein variations of plant species in Kahnuj rangelands of Kerman province. Animal Sciences Journal (Pajouhesh & Sazandegi). 24(2):58-67.
-Hussain, F., and Durrani, M. J., 2009. Seasonal availability, palatability and animal preferences of forage plants in Harboi arid range land, Kalat, Pakistan. Pakistan Journal of Botan., 41: 539-554.
-Kothmann, M., 1984. Concepts and principles underlying Grazing systems: A Discussant paper. Internatinal Natural Resources Council/ Natural Academic Sciences Developing strategies for Rangeland Management.Westview press, Polder, Colorado, pp. 903-916.
-Malechek, J. C. and Provenza, F. D., 1981. Feeding behavior of goats on rangelands. In: Morand-Fehr, P. and Bourbouze, A, DeSimiane M editor.Nutrition et Systemes d'Alimentation de la Chevre. (Nutrition and Systems of Goat Feeding), Volume 1:Tours, France: INRA-ITOVIC;p. 411–428.
-Mirdavoodi, H. R. and Sanadgol A. A., 2009. Study of preference value of range plants in key ranges of Anjedan’s rangelands of Markazi province. Iranian Journal of Range and Desert Research. 16(2):190-199.
-Patton, A. and Gieseker, L., 1942. Seasonal changes in the lignin and cellulose content of some Montana grasses. Journal of Animal Science, 1, 22-26.
-Rashtian, A., Mesdaghi, M., Boldagi, Ph. and Barani, H. 2009. Determination of preference value of 7 rangeland important species in steppe areas of Yazd province (Case study: Nadoshan Rangelands). Gorgan agricultural sciences and natural resourcies journal 16(3), 215-223.
-Rauzi, F., 1975. Seasonal yield and chemical composition of crested wheatgrass in southeastern Wyoming. Journal of range management, 219-221
-Sanadgol, A. A., 2005. Vegetative and productive characteristics of plants and livestock grazingin the pastures Saveh Rode Shor. Proceedings of Conference on Rangeland management in arid areas of forests and rangelands, 48-34.
-Sfaeian, N. and Shokri, M., 1996. Studies of phenology in determining the palatability and nutritional value of plants in pastures plains of Mazandaran. Iran Natural Resources Journal. 49: 113-105.
-Wilson, A., Leigh, J., Hindley, N., & Mulham, W. (1975). Comparison of the diets of goats and sheep on a Casuarina cristata–Heterodendrum oleifolium woodland community in western New South Wales. Animal Production Science, 15, 45-53.
-Zare, M., Fayyaz, M., Goudarzi, Gh. and Farmahini farahani, A., 2012. Preference value comparison in range species Anjedan-Arak. Iranian Journal of Range and Desert Research. 19(1):178-190.
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