نتایج جستجو برای: animal population

تعداد نتایج: 886109  

Journal: :علوم دامی ایران 0
فاطمه حسینی استادیار، گروه آمار، دانشکدة ریاضی، آمار و علوم کامپیوتر، دانشگاه سمنان، ایران امید کریمی استادیار، گروه آمار، دانشکدة ریاضی، آمار و علوم کامپیوتر، دانشگاه سمنان، ایران نیلوفر جواهری دانشجوی سابق کارشناسی ارشد، گروه آمار، دانشکدة ریاضی، آمار و علوم کامپیوتر، دانشگاه سمنان، ایران

animal models are used to model the observations of animal performance that are genetically dependent.these models are considered as generalized linear mixed models and the genetic correlation structure of data is considered through random effects of breeding values. one goal of the mentioned models is to estimate variance components. in this research, an approximate bayesian approach presented...

De Silva De Silva, G.J. Heo, Pathirana Pathirana, S. Hossain, S.H.M.P. Wimalasena,

World population growth and food demand have been two major elements leading to the expansion of animal and fish production. Recently, many efforts advocated the extension of intensive fish farming to optimize the need for animal protein (Hussein et al., 2013). In Korea, aquaculture has made rapid development in a short period of time, and many fish farms have been established in order to fulfi...

Journal: :The Journal of animal ecology 2016
Roberto Salguero-Gómez Owen R Jones C Ruth Archer Christoph Bein Hendrik de Buhr Claudia Farack Fränce Gottschalk Alexander Hartmann Anne Henning Gabriel Hoppe Gesa Römer Tara Ruoff Veronika Sommer Julia Wille Jakob Voigt Stefan Zeh Dirk Vieregg Yvonne M Buckley Judy Che-Castaldo David Hodgson Alexander Scheuerlein Hal Caswell James W Vaupel

UNLABELLED The open-data scientific philosophy is being widely adopted and proving to promote considerable progress in ecology and evolution. Open-data global data bases now exist on animal migration, species distribution, conservation status, etc. However, a gap exists for data on population dynamics spanning the rich diversity of the animal kingdom world-wide. This information is fundamental ...

2008
Michael T. Johnson

Individually distinct acoustic features have been observed in a wide range of vocally active animal species and have been used to study animals for decades. Only a few studies, however, have attempted to examine the use of acoustic identification of individuals to assess population, either for evaluating the population structure, population abundance and density, or for assessing animal seasona...

Journal: :دامپزشکی 0
علیرضا صادقی کارشناس ارشد مهندسی علوم دامی ، آزمایشگاه مرکزی اداره کل دامپزشکی مازندران وحید رضایی پور دکترای تخصصی تغذیه و فیزیولوژی دام و طیور ، استادیار گروه علوم دامی دانشگاه آزاد اسلامی واحد قائم شهر مجید مختاری سنگ چشمه دکترای دامپزشکی ، مدیریت اداره کل دامپزشکی مازندران

to consider of seroprevalence and to determine the focus of brucellosis propagation in domestic animal population of different regions of mazandaran province, within 5 years (2006- 2010), blood samples of 4845 numbers of sheep and goats of different districts of the province were taken. due to continental situations, aggregation and dispersion of domestic animal population of the province, we g...

Journal: :archives of clinical infectious diseases 0
mohammad hossein feizhaddad department of medical parasitology, ahvaz jundishapur university of medical sciences, ahvaz, ir iran hamid kassiri department of medical entomology and vector control, ahvaz jundishapur university of medical sciences, ahvaz, ir iran; department of medical entomology and vector control, ahvaz jundishapur university of medical sciences, ahvaz, ir iran. tel: +98-6113738269, fax: +98-6113738282 masoud lotfi department of medical entomology and vector control, ahvaz jundishapur university of medical sciences, ahvaz, ir iran seyedeh sahar hoseini department of medical entomology and vector control, ahvaz jundishapur university of medical sciences, ahvaz, ir iran

background animal bites, especially dog bites, are common health problems which are rarely addressed. it is estimated that 15 million people are bitten by animals worldwide annually. diseases caused by animal bites are problematic matters in the world as well as in iran. the main disease caused by animal bites is rabies. rabies is a fatal acute viral disease causing inclusive symptoms in the ce...

A. José Vieira Pires M. Oliveira de Jesus W.R. Andrade,

The generation of co-products continues at an accelerating pace, driven by population growth. Many of these co-products can be included in ruminant feed, which has the ability to transform them into good quality animal protein, and also help to reduce the disposal of undesirable residues to the environment. One of the co-products with potential use in animal feed, the citrus pulp, represents re...

Journal: :تحقیقات نظام سلامت 0
ناصر بهنام پور دانشجوی دکترای تخصصی آمار زیستی، مربی گروه بهداشت عمومی، دانشکده پیراپزشکی و بهداشت، دانشگاه علوم پزشکی گلستان، گرگان، ایران. عبدالرحمان چرکزی دانشجوی دکترای تخصصی، گروه آموزش بهداشت و ارتقای سلامت، دانشکده بهداشت، دانشگاه علوم پزشکی اصفهان و عضو هیأت علمی، گروه بهداشت عمومی، دانشکده پیراپزشکی و بهداشت دانشگاه علوم پزشکی گلستان، گرگان، ایران. مهری فتحی کارشناس بهداشت عمومی، دانشگاه علوم پزشکی گلستان، گرگان، ایران. عبدالطیف اسماعیلی کارشناس ارشد آموزش بهداشت، بیمارستان آل جلیل آق قلا، دانشگاه علوم پزشکی گلستان، گرگان، ایران. حسین شهنازی دانشجوی دکترای تخصصی آموزش بهداشت، گروه آموزش بهداشت و ارتقای سلامت، دانشکده بهداشت، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران. هاشم حشمتی مربی، گروه بهداشت عمومی، دانشکده پیراپزشکی و بهداشت، دانشگاه علوم پزشکی گلستان، گرگان، ایران.

background: animal bites considered as one of the issues and problems of public health that potentially has the risk of rabies disease. this study was conducted to determine the epidemiology of animal bite in aq qala city during the years1998-2009. methods: in this descriptive cross-sectional study, 13142 cases of animal bite recorded in aq qala city rabies treatment center selected by census m...

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