Volume 12, Issue 1 (5-2018)
مرتع 2018, 12(1): 14-23 |
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Fayaz M, Yeganeh H, Afrah H, Aliakbarzadeh Alni E, Noori A V, Bayat M et al . Determining forage species preference value for Moghani sheep using species selection index in Yaypaq rangeland of Ardabil Province. مرتع 2018; 12 (1) :14-23
URL: http://rangelandsrm.ir/article-1-555-en.html
URL: http://rangelandsrm.ir/article-1-555-en.html
Mohammad Fayaz 
, Hassaan Yeganeh , Hamid Afrah , Esmaiel Aliakbarzadeh Alni , Allah Verdi Noori , Mina Bayat , Mohammadjavad Mahdavi
, Hassaan Yeganeh , Hamid Afrah , Esmaiel Aliakbarzadeh Alni , Allah Verdi Noori , Mina Bayat , Mohammadjavad Mahdavi
Abstract: (5070 Views)
Determining preference value of forage species can help pastoralists to determine their herd composition appropriately. This study aimed to determine rangeland species preference value for Moghani sheep in mountainous rangeland of Sabalan, Ardebil Province. The species selection index was used to determine the preference value of species during three months grazing periods over four years (2007-2010). The combined analysis of variance of preference values showed that the effects of the year and the interactions between the year, month and species were significant at the 99% level. The effects of species on the preference value and livestock selection was not significant, but in regard to the mean preference value of species, Alopecurus textilis and Poa trivialis with 1.05 and 0.79 had the highest preference values among the studied species respectively. Comparison of the mean preference values of species with Duncan test revealed a significant difference between 2007 and three other years. This study revealed that preference values of the species are directly influenced by plant characteristics. Grazing time and duration also indirectly affect preference value of the species due to their impacts on plant characteristics and livestock grazing behavior.
Type of Study: Research |
Subject:
Special
Received: 2018/04/27 | Accepted: 2018/04/27 | Published: 2018/04/27
Received: 2018/04/27 | Accepted: 2018/04/27 | Published: 2018/04/27
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