نتایج جستجو برای: internal and external parasites

تعداد نتایج: 16877518  

Journal: :health scope 0
seyed younes hosseini occupational health department, shahid beheshti university of medical sciences, tehran, ir iran mansour rezazadeh azari occupational health department, shahid beheshti university of medical sciences, tehran, ir iran; safety promotion and injury prevention research center, shahid beheshti university of medical sciences, tehran, ir iran; occupational health department, shahid beheshti university of medical sciences, tehran, ir iran. safety promotion and injury prevention research center, shahid beheshti university of medical science, tehran, ir iran. tel: +98-9123874329, fax: +98-212243203 rezvan zendehdel occupational health department, shahid beheshti university of medical sciences, tehran, ir iran hamid souri occupational health department, shahid beheshti university of medical sciences, tehran, ir iran; safety promotion and injury prevention research center, shahid beheshti university of medical sciences, tehran, ir iran raana taiefeh rahimian occupational health department, shahid beheshti university of medical sciences, tehran, ir iran

background solvents such as benzene and toluene are commonly used in tire manufacturing, and significant occupational exposure to these chemicals adversely affects the health of workers. in biological monitoring, a complementary method for personal monitoring, the internal absorbed dose is measured and individual, environmental, and exposure differences are taken into consideration. conclusions...

Journal: :محیط زیست طبیعی 0
سید علی جوزی استادیار دانشگاه آزاد اسلامی واحد تهران شمال، ایران سحر رضایان عضو هیأت علمی دانشگاه آزاد اسلامی واحد شاهرود، ایران مهدی ایرانخواهی دانش آموخته کارشناسی ارشد دانشکده محیط زیست و انرژی، دانشگاه آزاد اسلامی، واحد علوم و تحقیقات تهران، ایران مرجان شاکری دانش آموخته کارشناسی ارشد دانشگاه آزاد اسلامی، واحد بندرعباس، ایران

this study was performed in order to provide a strategic development plan for ecotourism in shahdad district of kerman province. thus cultural, historical and natural attractions of the region and its surrounding areas were studied and identified initially. by completing clawson questionnaire in the form of travel cost method (tcm), valuation and analysis of ecotourism demand index of the consi...

Journal: :The Onderstepoort journal of veterinary research 2004
M J Burridge L A Simmons E H Ahrens S A Naudé F S Malan

Four trials, three in the United States and one in South Africa, were conducted to evaluate the potential value of a novel self-medicating applicator in the passive control of gastrointestinal nematodes in cattle and deer, and of files and ticks on cattle using oil-based treatments. The results of the trials demonstrated that this applicator is an effective and practical device for the passive ...

A. A. Motalebi, A. Nekuie Fard, B. Jalali Jafari , D. Azadikhah, M. Afsharnasab, M. Aghazadeh Meshgi ,

A total of 394 (255 males,139 females) live freshwater crayfish Astacus leptodactylus from four stations of Aras reservoir in West Azarbaijan Province (North-Western Iran) were studied during the winter until early autumn of 2009 for the presence of parasites, Epibionts and Fungal agents. Parasitological surveys were carried out on gills exoskeleton and internal organs, mycological examinations...

2002

Internal parasites can be a major problem for producers. With parasites developing resistance to all dewormers and more farmers producing livestock by “natural” methods, there is interest in looking for alternative ways to managing parasites problems. Management is the most important thing to consider. The whole system affects internal parasites. Nutrition and pasture management can help preven...

2002

Internal parasites can be a major problem for producers. With parasites developing resistance to all dewormers and more farmers producing livestock by “natural” methods, there is interest in looking for alternative ways to managing parasites problems. Management is the most important thing to consider. The whole system affects internal parasites. Nutrition and pasture management can help preven...

A. A. Motalebi, A. Nekuie Fard, B. Jalali Jafari D. Azadikhah M. Afsharnasab, M. Aghazadeh Meshgi

A total of 394 (255 males,139 females) live freshwater crayfish Astacus leptodactylus from four stations of Aras reservoir in West Azarbaijan Province (North-Western Iran) were studied during the winter until early autumn of 2009 for the presence of parasites, Epibionts and Fungal agents. Parasitological surveys were carried out on gills exoskeleton and internal organs, mycological examinations...

Journal: :تحقیقات دامپزشکی 0
شیلا امیدظهیر گروه زیست شناسی دریا، دانشکده علوم دریایی دانشگاه مازندران، بابلسر- ایران حسینعلی ابراهیم زاده موسوی گروه بهداشت و بیماریهای آبزیان، دانشکده دامپزشکی دانشگاه تهران، تهران- ایران پرویز شایان گروه انگل شناسی، دانشکده دامپزشکی دانشگاه تهران، تهران- ایران الهه ابراهیم زاده آبکوه گروه انگل شناسی، دانشکده دامپزشکی دانشگاه تهران، تهران- ایران همایون محمودزاده گروه بهداشت و تغذیه دام وطیور، دانشکده دامپزشکی دانشگاه تهران، تهران- ایران

background: fish are constantly exposed to various pathogens and parasites in particular. gyrodactylus from platyhelminthes is an important monogenean ectoparasite that can cause disease and economical losses to cultured, wild, salt and fresh water and ornamental fish. gyrodactylus appears to be one of the most prevalent parasites of ornamental fish especially in cyprinids. objectives: the pres...

Service quality is a factor for measuring customer satisfaction in hotel industry. Therefore, in order to achieve competitive advantage and maintain customers, improving service quality has become an important tool in hotel industry to achieve customer satisfaction which is lead to customer loyalty. Because companies are developing close relationships with suppliers and customers. Since then th...

Hanieh Mirzaei, Mohammad Akhoundi, Parviz Parvizi,

Background: Zoonotic cutaneous leishmaniasis (ZCL) due to Leishmania major is increasing in many parts of Iran. This disease originally is a disease found in gerbils. Leishmania parasites are transmitted by sandflies that live and breed in gerbil burrows. Nested PCR amplified Leishmania ITS1-5.8S rRNA gene in both main reservoir host “Rhombomys opimus” and in the “Phlebotomus papatasi” main vec...

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