1. introduction early frost in the autumn and late spring frost are the most common disasters related to the huge agricultural damages in west azerbaijan province. among 39 natural disasters in the world, 7 dominant disasters occur in this region and the frost has the first rank regarding the damage to the public sector and insurance industry in recent years. based on several reports, early spr...

intestinal coccidiosis, caused by eimeria species, is an economically-important disease of poultry production industry worldwide. this study was designed to investigate the prevalence of different eimeria species in the farmed broilers of khoy city, west azarbaijan, north west iran. a total of 26 broiler farms of different production capacities were arbitrarily selected and examined in 2013. in...

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goat warble fly infestation is a subcutaneous myiasis, presents in many european and asian countries. between september 2004 and june 2005, goat warble infestation was investigated in the urmia abattoir. the number of infested animals, their sex and age, the number of maggots present on each animal, location and larval stage of warble flies were recorded. warbles were counted, measured and isol...

during 2012-2013 in a funistic survey of snails, several species of snails were collected and identified; both from orchards, farms and the weeds. in total, 18 species belonging to 17 genera out of 10 families are identified based on morphometric characteristics including (shape and size of operculum, aperture, dextral or sinistral of shell, pneumostome, keel, radula, renal ridge and reproducti...

this experiment was conducted to investigation of some agronomical traits in different castor bean genotypes at west azarbaijan, in agricultural research station of urmia, as completely randomized block design with three replications, during 2007-2008. result showed that the effect of different genotypes were significant on all characteristics. the highest and lowest number of grain per plant o...

investigates complaints incoming to the medical council of west azarbaijan province during 1385 to 1389     hemmati maslakpak m [1] , baghaie r [2] , yosefi m [3] ,ghavami h [4] *     received: 9 dec , 2012 accepted: 18 feb , 2013     abstract:   background & aims : increased complaints from the medical team and medical staff, and increased risk of therapeutic measures in recent years, was the ...

the tadpole shrimp of genus triops is a well-known living fossil whose fundamental morphology has been unchanged for 220 million years. we collected specimens of triops cancriformis in temporary water bodies near the southern part of urmia lake (in the fall of 2005). some biological characteristics of this triops were investigated. the feeding re-gime of t. cancriformis was found to be related ...

Although studies on the relation between size and efficiency are ample, studies on the relation between size, fragmentation, and efficiency are limited. It is the purpose of this study in which a single-stage stochastic parametric approach is used. For this purpose production of wheat in Iran is a good case because wheat is the core commodity of the Iranian agricultural system which is dominate...