DETERMINATION OF NUTRITIVE VALUES OF IMPORTANT RANGE SPECIES IN STEPPE REGION OF CENTRAL IRAN (CASE STUDY: NODOUSHAN RANGELANDS, YAZD PROVINCE)

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RASHTIAN A.; MESDAGHI M.

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Paper Information

Journal: IRANIAN JOURNAL OF RANGE AND DESERT RESEARCH Year:2013 | Volume:20 | Issue:2 (51) Page(s): 272-284

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Title

DETERMINATION OF NUTRITIVE VALUES OF IMPORTANT RANGE SPECIES IN STEPPE REGION OF CENTRAL IRAN (CASE STUDY: NODOUSHAN RANGELANDS, YAZD PROVINCE)

Author(s)

RASHTIAN A. | MESDAGHI M. | Issue Writer Certificate

Keywords

NUTRITIVE VALUEQ2

CPQ2

GEQ2

CFQ2

DMDQ2

MEQ2

DEQ2

ADFQ2

TDNQ2

Abstract

To study the nutritional value of important range species in steppe rangelands of Yazd, seven important species for livestock grazing including Stipa arabica, Lactuca orientalis, Poa bulbosa, Tragopogon jezdianuse, Eurotia ceratoides, Artemisia sieberi, Astragalus microphysa were selected as dominant species in the vegetation type of the region. In three periods of grazing season (Mid-May, late July and early August), samples were collected with 3 to 5 replications and forage quality indices were MEasured by AOAC MEthod. According to the results, forage quality indices including Crude Protein (CP), Gross Energy (GE), Dry Matter Digestibility (DMD), MEtabolism Energy (ME), Digestible Energy (DE) and Total Digestive Nutrient (TDN) DEcreased with the progress of growth stages. In contrast, Crude Fiber (CF) and Acid DEtergent Fiber (ADF) increased. In GEneral, most of the estimated factors had significant difference in three periods of grazing season. There was no significant difference among the species in terms of CP, while CF and GE differed significantly. Therefore, in the early grazing season, coinciding with vegetative growth stage, forage quality is better. Grazing at this time will have the best livestock performance which should be together with proper management to achieve sustainable production in rangeland.

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APA: Copy

RASHTIAN, A., & MESDAGHI, M.. (2013). DETERMINATION OF NUTRITIVE VALUES OF IMPORTANT RANGE SPECIES IN STEPPE REGION OF CENTRAL IRAN (CASE STUDY: NODOUSHAN RANGELANDS, YAZD PROVINCE). IRANIAN JOURNAL OF RANGE AND DESERT RESEARCH, 20(2 (51)), 272-284. SID. https://sid.ir/paper/107164/en

Vancouver: Copy

RASHTIAN A., MESDAGHI M.. DETERMINATION OF NUTRITIVE VALUES OF IMPORTANT RANGE SPECIES IN STEPPE REGION OF CENTRAL IRAN (CASE STUDY: NODOUSHAN RANGELANDS, YAZD PROVINCE). IRANIAN JOURNAL OF RANGE AND DESERT RESEARCH[Internet]. 2013;20(2 (51)):272-284. Available from: https://sid.ir/paper/107164/en

IEEE: Copy

A. RASHTIAN, and M. MESDAGHI, “DETERMINATION OF NUTRITIVE VALUES OF IMPORTANT RANGE SPECIES IN STEPPE REGION OF CENTRAL IRAN (CASE STUDY: NODOUSHAN RANGELANDS, YAZD PROVINCE),” IRANIAN JOURNAL OF RANGE AND DESERT RESEARCH, vol. 20, no. 2 (51), pp. 272–284, 2013, [Online]. Available: https://sid.ir/paper/107164/en

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