نتایج جستجو برای: rotavirus antibodies were detected in 100% and 99% of diarrheic and normal calves

تعداد نتایج: 26084971  

Journal: :تحقیقات دامپزشکی 0
محمد ربانی گروه میکروب شناسی دانشکده دامپزشکی دانشگاه تهران محمدرضا مخبردزفولی گروه علوم درمانگاهی دانشکده دامپزشکی دانشگاه تهران تقی زهرایی صالحی گروه میکروب شناسی دانشکده دامپزشکی دانشگاه تهران عباس یوسفی رامندی دانش آموخته دانشکده دامپزشکی دانشگاه تهران علیرضا باهنر گروه بهداشت و کنترل مواد غذایی، دانشکده دامپزشکی دانشگاه تهران فریدون رضازاده گروه علوم درمانگاهی دانشکده دامپزشکی دانشگاه تهران

the aim of the present study was to evaluate the presence anti- e. coli, -rotavirus and -coronavirus, in calves' sera. a total of 184 calves under 1 month of age (84 diarrheic & 100 normal) was studied. serological tests including: direct elisa for detection of anti-k99 e. coli, - rotavirus and - coronavirus and tube agglutination test for detection anti-o157 e. coli, antibodies were used....

A. Naghibi E.A. Afshari Safavi G.R. Mohammadi M. Rad

A 1:1 matched case-control study of calves under 1 month of age was carried out by weekly visits to 7 dairy farms in Mashhad from May 2008 to October 2008. Fecal samples were collected from a total of 112 calves with clinical signs of diarrhea and from 112 matched animals without clinical signs of diarrhea as assessed by a scoring system. The samples were investigated for the presence of Rotavi...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده علوم انسانی 1390

this study attempted to explore if teaching english collocations through two different modes of awareness-raising and input flooding has any possible differential effect on immediate retention as well as retention in a delayed assessment. it also compared the possible differential effect of teaching english collocations implicitly and explicitly on actively using the items in writing. m...

Journal: :archives of razi institute 2016
m. rad g.r. mohammadi e.a. afshari safavi a. naghibi

a 1:1 matched case-control study of calves under 1 month of age was carried out by weekly visits to 7 dairy farms in mashhad from may 2008 to october 2008. fecal samples were collected from a total of 112 calves with clinical signs of diarrhea and from 112 matched animals without clinical signs of diarrhea as assessed by a scoring system. the samples were investigated for the presence of rotavi...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده علوم پایه 1389

nowadays, the development of anti cancer drugs is an important subject in pharmacology. bisphosphonates (b.p) are a great choice for design and production of the types of drugs which not only could perform as anti cancer agents but also could inhibit the function of acetyl cholinesterase (ache). ache hydrolyzes the acetylcholine (which is a neurotransmitter in nervous system) using the oh in i...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده مهندسی عمران 1391

one of the most commonly used techniques to reduce the corrosion rate of rebar in concrete is addition substances named corrosion inhibitors into the concrete. corrosion inhibitor is chemical compounds that were added to concrete to prevent corrosion of steel in concrete. sodium nitrate is a type of anodic inhibitors that this study investigatesthe effect of this inhibitor on the properties of ...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده زبانهای خارجی 1391

the ability of composing a coherent and extended piece of writing in second language is considered as a fundamental factor to convey information and ideas of learners through the academic issues. although learners may achieve a perfect academic writing skill through assigning the l2 tasks in content based instruction, but demonstration of their abilities may be related to their ability in l1 es...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه بیرجند 1390

abstract this study attempted to investigate the strategies used to translate clichés of emotions in dubbed movies in iranian dubbing context for home video companies. the corpus of the current study was parallel and comparable in nature, consisting of five original american movies and their dubbed versions in persian, and five original persian movies which served as a touchstone for judging n...

BACKGROUND: BACKGROUND: Enterotoxigenic Escherichia coli (ETEC) is the main causative agents of neonatal calf diarrhea. Passive transfer of antibodies that is derived from the dams of the calves through their colostrum plays an important role in disease prevention. OBJECTIVES: To determine the presence of natural specific antibodies against K99 antigen in dam’s serum and colostrum as well as in...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده ادبیات و علوم انسانی 1387

abstract the present study is concerned with the syntactic deviation in hafezs poetry. poems are known to be accompanied with various linguistic deviations. these deviations may be phonological, morphological and/or syntactic. the relatively high frequency of the cases of the syntactic deviation in hafezs poems makes this rhetorical feature as a main characteristic of his poetry. this thesis, ...

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