the main objective of this study was to estimate the seroprevalence of bovine herpes virus type 1 and parainfluenza type 3 in a non-vaccinated population cattle in the livestock region of qazvin province. totally 504 sera were randomly collected and tested from 8 industrial dairy farms in qazvin province during march 2010-march 2011. the result of one way analysis of variance was used for th...

in this study economic and welfare impacts of establishing irrigation water market in qazvin province as well as potentiality of irrigation water transfer under stress irrigation conditions in the cities of qazvin province were analyzed. to achieve the above objectives, positive mathematical programming model and state wide agricultural production functions were used. to achieve applicable resu...

BACKGROUND Organizational learning has been identified as necessary for different organizations to improve their performance in the changing and competitive environment. PURPOSE The main purpose of this research was to specify the learning organization profile of educational and health centers of Tehran and Qazvin Universities of Medical Sciences in Iran. METHODOLOGY The present research wa...

abstract surface water restriction and supply variation of these resources causes of over extraction of groundwater and unbalance between feed and extraction of groundwater in iran. agricultural sector as the biggest consumer of water resources has the most share of this unsustainability. this paper studies the conjunctive use of surface and groundwater in agronomy production in qazvin basin, o...

cholera is an acute intestinal infection caused by consuming food or water contaminated with the bacterium vibrio cholerae. two main epidemiological characteristic of disease is tendency for create of sudden outbreaks and the ability to causing a pandemic. the objective of this study is to describe the epidemiology of the disease. this survey is a descriptive cross-sectional study based on repo...