abstract background: in iran gastric cancer is the second most common cancer and the most cause of death cancer, the aim of this study is provide map geographical distribution of gastric cancer and detect high risk cluster with use of space-time scan statistic. methods: this was an applied study. the data is provided from reports published by center for disease control office in ministry of hea...

the noctuidae with more than 25,000 described species include numerous economic important crop pests worldwide. a faunistic study on this family was carried out in the years 2010 and 2011 in the khorasan-e-razavi province, ne iran. a total of 33 species of the subfamilies metoponiinae, bryophilinae and xyleninae belonging to 17 genera were collected. among the collected species, two are recorde...

A survey was carried out to investigate the frequency of hard tick species (Acari: Ixodidae) on sheep in Khorasan Razvi province. A total of 812 ticks were collected from the sheep of different areas of Khorsan Razavi province five species were identified as follow: Rhipicephalus turanicus (59.23%), Hyalomma.marginatum turanicum (25.73%), Hyalomma excavatum (14.8%), Hyalomma anatolicum (8.3...

The purpose of this study was to determine the prevalence of bovine leukemia virus (BLV) in Khorasan Razavi and Khorasan Shomali provinces which are the main provinces located in the northeast of Iran. Total number of 429 blood samples were collected from industrial dairy herds. The samples were categorized based on province, age (2-3, 4-6, and 7-10 years old), calving (≤ 2, 3-5, and > 5) and h...

Background Cystic Echinococcosis (CE) is a serious zoonotic parasitic disease in Iran. This study aimed to show the trend of the confirmed disease from 1995 to 2014 and to describe some of epidemiological aspects of the disease in Iran. Methods This retrospective study has been designed based on data collected from 8518 cases of CE among various geographical locations of Iran. Results The a...

yield gap analysis provides an essential framework to prioritize research and policy efforts aimed at reducing yield constraints. to identify options for increasing chickpea yield, the ssm-chickpea model was parameterized and evaluated to analyze yield potentials, water limited yields and yield gaps for nine regions representing major chickpea-growing areas of razavi khorasan province. the aver...