نتایج جستجو برای: respectively seven cell cultures were tested for bvdv contamination using elisa

تعداد نتایج: 12497734  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده علوم تربیتی و روانشناسی 1391

the purpose of this study was to examine the status of supervision on departments’ heads at ferdowsi university of mashhad (fum) and realize some applied themes to provide a fit model for supervising departments’ heads in fum. the method was case study under a research category aimed for applied one. using purposive sampling, interviews were conducted with top fum managers, head departments, an...

Journal: :تحقیقات دامپزشکی 0
مسعود حسینی مرکز تشخیص و کنترل دارو و فرآورده های بیولوژیک، سازمان دامپزشکی کل کشور و گروه میکروبیولوژی، دانشکده علوم زیستی، دانشگاه شهید بهشتی نسرین محمودان گروه ویروس شناسی، دانشگاه تربیت مدرس و مرکز تشخیص و کنترل دارو و فرآورده های بیولوژیک، سازمان دامپزشکی کل کشور غلامعلی کیانی مرکز تشخیص و کنترل دارو و فرآورده های بیولوژیک، سازمان دامپزشکی کل کشور رقیه صدیقی مقدم مرکز تشخیص و کنترل دارو و فرآورده های بیولوژیک، سازمان دامپزشکی کل کشور رضا حسن زاده مرکز تشخیص و کنترل دارو و فرآورده های بیولوژیک، سازمان دامپزشکی کل کشور لاله معظمی مرکز تشخیص و کنترل دارو و فرآورده های بیولوژیک، سازمان دامپزشکی کل کشور محمد حسن روستائی

the aim pf the present study was to compare three different methods for detection of food and mouth disease virus antigens(a, asia1, o1)from mouth epithelium samples and also to monitore the distribution of fmdv serotypes 338 cattle and 34 sheep of iran during 2000-2001. the suspension fluids of processed tongue epithelium samples were clarified by centrifugation and tested for presence of fmdv...

Objective(s):Theneuroprotective effect of lithium has been attributed to its therapeutic action. However, the role of glial cells particularly astrocytes, and the possible interactions between neurons and astrocytes in neuroprotective effects of lithium have been disregarded. Thus, the aim of this study was to evaluate the direct effects of lithium on brain derived neurotrophic factor (BDNF) an...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1389

the purpose of this study is to investigate the relationships between teachers’ immediacy behaviors and iranian students’ willingness to talk in english classes. analysis of the results from willingness to talk scale represents a relatively high level of willingness to talk in english classrooms among iranian language learners. the total mean score of students’ willingness to talk was 66.3 ou...

Journal: :Revue scientifique et technique 1999
K J Sudharshana K B Suresh M Rajasekhar

A study was undertaken regarding the prevalence of bovine viral diarrhoea virus (BVDV) antibodies in bovine sera which tested negative for rinderpest and peste des petits ruminants virus antibodies. The samples were collected between January 1996 and December 1997. A total of 439 samples (327 cattle and 112 buffalo from 17 states of India) were tested using a commercial enzyme-linked immunosorb...

2014
D J Bosco Cowley David A Graham Maria Guelbenzu Michael L Doherty Simon J More

BACKGROUND Infections with bovine herpesvirus 1 (BoHV-1) and bovine viral diarrhoea (BVD) virus cause diseases of cattle with a worldwide distribution. The primary objective of the present study was to describe aspects of herd-level BoHV-1 and BVDV seroprevalence (based on testing of pooled sera) and control on farms in Northern Ireland, including vaccine usage. An indirect antibody ELISA test ...

Journal: :The Journal of general virology 2001
C M Johnson D R Perez R French W C Merrick R O Donis

A cellular protein that interacts with the NS5A polypeptide of bovine viral diarrhoea virus (BVDV) was identified in a yeast two-hybrid screen. The NS5A interactor was identified as the alpha subunit of bovine translation elongation factor 1A (eEF1A). Cell-free binding studies were performed with chimeric NS5A fused to glutathione S-transferase (GST-NS5A) expressed in bacteria. GST-NS5A bound s...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه گیلان - دانشکده علوم انسانی 1392

the purpose of the present study was to investigate the effect of instruction through debate on male and female efl learners’ reading comprehension, to examine the differences between the performance of male and female participants on the five dimensions of cctst including analysis, evaluation, inference, deductive reasoning, and inductive reasoning, and to examine the differences between male ...

Journal: :Polish journal of veterinary sciences 2015
A Wernicki R Urban-Chmiel D Stęgierska Ł Adaszek M Kalinowski A Puchalski M Dec

In view of the scarcity of information concerning viral diarrhoea virus (BVDV) infections in beef cattle in Poland, the aim of this study was to evaluate the presence of the BVDV in young beef cattle from selected herds in eastern and south-eastern regions of Poland. The material consisted of 78 sera obtained from beef cattle from 15 farms, aged 6-12 months. The anti-BVDV antibody level in the ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت دبیر شهید رجایی - دانشکده علوم انسانی 1390

with the growth of more humanistic approaches towards teaching foreign languages, more emphasis has been put on learners’ feelings, emotions and individual differences. one of the issues in teaching and learning english as a foreign language is demotivation. the purpose of this study was to investigate the relationship between the components of language learning strategies, optimism, duration o...

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