Effect of Phenological stages on nutritional value of two rangeland species (Kelussia odoratissima Mozaff. and Dorema aucheri Boiss) in Dishmok summer rangelands (Kohgiluyeh and Boyerahmad Province)

Document Type : Research

Authors

Birjand University

Abstract

To study the effect of growth stage on the nutritional value of two rangeland species (Kelussia odoratissima mozaff and Dorema aucheri Boiss) in Kohgiloyeh summer Rangelands, sampling at three stages of vegetative growth, flowering and seeding was performed. The samples were dried and milled in the shadows. Then,  the chemical compounds contain Crude Protein, Ether Extract, Ash, Phosphorus, Calcium, content of Neutral Detergent Fiber, content Acid Detergent Fiber were measured in the laboratory. In addition, Dry Matter Digestibility and Metabolizable Energy were calculated. Analyses variance and Tukey’s test were used for all comparisons. The results showed that nutritive value of both species was higher in the vegetative stage than the others stages. CP, Ash, P, Ca, DMD, ME NDF and ADF had significant difference among the three phenological stages in both species (P≤0.05). In general, the nutritional value of Kelussia odoratissima Mozaff. was higher than Dorema aucheri Boiss.

Keywords

Watershed Management Research
Volume 27, Issue 3 - Serial Number 104
September 2014
Pages 204-211

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History

  • Receive Date: 19 December 2013
  • Revise Date: 15 April 2014
  • Accept Date: 21 June 2014

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