نتایج جستجو برای: flock level risk factors
تعداد نتایج: 2641362 فیلتر نتایج به سال:
This paper presents a brief review of the factors affecting flystrike (cutaneous myiasis) as background to the on-going analysis of information on strike incidence, flock management, weather conditions and fly abundance in three discrete sheep grazing areas in eastern Australia (Flinders Island, Gunning and Inverell). These data were assembled in the late 1980s early 1990s as part of a program ...
Background and Objectives: Salmonella contamination of broiler breeder farms is of great importance regarding transmission of the bacteria through the production chain of poultry meat. The aim of this study was to determine the prevalence and management related factors of Salmonella contamination in broiler breeder flocks in Iran. Methods: This cross sectional study was carried out between 2...
Between November 2005 and March 2006, a total of 253 poultry flocks in the Gyeonggi-do of Korea were examined for seroprevalence against avian influenza (AI) using a hemagglutination inhibition (HI) test and an agar gel precipitation test. No low pathogenic avian influenza (LPAI) virus was isolated from 47 seropositive flocks that lacked clinical signs during sampling. The unadjusted percentage...
conclusions the high incidence density of diarrhea among the children recruited in this study indicates the need for educational programs directed at people who are involved in this issue. results the incidence of acute diarrhea among the 0 - 1-year-old children was 26.7 cases per 1,000 children per month. independent risk factors for the occurrence of diarrhea were maternal age under 20 years ...
normal 0 false false false en-us x-none fa background : this study aimed to determine the types of elder abuse, their risk factors and the characteristics of abusers among abused elderly people aged above 60 years in isfahan. methods : in this descriptive cross-sectional study, abused elderly individuals aged above 60 years that referred to the centers of competent jurisdiction with complaint a...
background and purpose: identifying the risk factors of hepatitis c، b، and hiv is necessary to prevent their increasing prevalence. therefore، we sought to identify the frequency of their risk factors among the homeless of tehran، iran during 2005 to 2007. methods and materials: this descriptive analytical study was conducted during 2005 to 2007 on the homeless population of tehran، iran. two ...
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