نتایج جستجو برای: positive dairy cattle methods we have collected 28

تعداد نتایج: 7064408  

Journal: :iranian journal of parasitology 0
a nematollahi department of pathobiology, faculty of veterinary medicine, university of tabriz, tabriz-iran r jaafari department of clinical sciences, faculty of veterinary medicine, university of tabriz, tabriz-iran gh moghaddam department of clinical sciences, faculty of veterinary medicine, university of tabriz, tabriz-iran

background: the aim of this study was to determine the seroprevalence of antibody to neospora can­inum in healthy and aborted dairy cattle in tabriz, capital of east-azarbaijan in northwest of iran. methods: in this cross-sectional study serum samples were collected from 266 healthy and ab­orted holestein-feriesisnc cows from september 2008 to august 2009. the sera were analyzed to de­tect of a...

2017
G Tortorelli N Carrillo Gaeta B L Mendonça Ribeiro L Miranda Marques J Timenetsky L Gregory

BACKGROUND Bovine respiratory disease (BRD) is an important problem in cattle production that is responsible for economic losses in dairy herds. Mycoplasma spp. are described as an important etiological agent of BRD. HYPOTHESIS To evaluate the occurrence of the most important mycoplasmas in the lower respiratory tract of healthy and BRD cattle in relationship to clinical signs of BRD. ANIMA...

Journal: :The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease 2007
Z Cvetnic V Katalinic-Jankovic B Sostaric S Spicic M Obrovac S Marjanovic M Benic B K Kirin I Vickovic

SETTING This paper describes an outbreak of human and related bovine tuberculosis (TB) caused by Mycobacterium caprae in Croatia. A 13-year-old boy clinically presented enlargement of cervical lymph node with consecutive isolation of M. caprae. His 7-year-old sister, who had no clinical signs of disease, hyper-reacted to the purified protein derivative (PPD) test (>25 mm) and peribronchial infi...

Journal: :Applied and environmental microbiology 2013
Susanne W F Eisenberg Ruj Chuchaisangrat Mirjam Nielen Ad P Koets

Paratuberculosis, or Johne's disease, in cattle is caused by Mycobacterium avium subsp. paratuberculosis, which has recently been suspected to be transmitted through dust. This longitudinal study on eight commercial M. avium subsp. paratuberculosis-positive dairy farms studied the relationship between the number of cows with M. avium subsp. paratuberculosis antibody-positive milk and the presen...

Journal: :The Journal of parasitology 2007
Meenakshi K S Sandhu M S Ball H Kumar S Sharma P K Sidhu C Sreekumar J P Dubey

Neospora caninum is now recognized as a major cause of abortion in cattle worldwide, but there is no report of N. caninum infection in cattle in India. Serum samples from 427 dairy cattle and 32 dairy water buffaloes from 7 organized dairy farms located in Punjab, India, were tested for N. caninum antibodies using a commercial monoclonal antibody-based competitive enzyme-linked immunosorbent as...

2013
Sigita Ramonaitė Anita Rokaitytė Eglė Tamulevičienė Alvydas Malakauskas Thomas Alter Mindaugas Malakauskas

BACKGROUND Campylobacteriosis is a zoonotic disease, and animals such as poultry, pigs and cattle may act as reservoirs for Campylobacter spp. Cattle shed Campylobacter spp. into the environment and they can act as a reservoir for human infection directly via contact with cattle or their faeces or indirectly by consumption of contaminated food. The aim of this study was to determine the prevale...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده علوم اجتماعی و اقتصادی 1389

abstract nowadays, the science of decision making has been paid to more attention due to the complexity of the problems of suppliers selection. as known, one of the efficient tools in economic and human resources development is the extension of communication networks in developing countries. so, the proper selection of suppliers of tc equipments is of concern very much. in this study, a ...

2017
Ismail A. Abaker Diaeldin A. Salih Lima M. El Haj Rawia E. Ahmed Manal M. Osman Awadia M. Ali

Aim This study was conducted in dairy cattle in Nyala, South Darfur State, during the period from June to September 2015, to study the prevalence of bovine tropical theileriosis. Materials and Methods Apparently, healthy cattle of different age groups, different breeds, and from both sexes were randomly selected from seven locations. Three age groups of cattle were selected, group one <1 year...

2016
Md. Arifur Rahman Md. Mahbub Alam Md. Aminul Islam A. K. Fazlul Haque Bhuiyan A. K. M. Anisur Rahman

The objective of this study was to know the herd and animal level prevalence of Q fever in domestic ruminants in some selected districts in Bangladesh. Randomly collected 111 bulk milk and 94 sera samples of cattle, sheep, and goats were tested by indirect ELISA (iELISA). DNA extracted from 23 aborted fetal membranes was analyzed by real time (rt) PCR. The positive cut-off value of iELISA in bu...

2014
Jamal Gharekhani Hamidreza Haddadzadeh Alireza Bahonar

Bovine neosporosis caused by the apicomplexan protozoan parasite N. caninum, was initially recognized in 1989 and is now reported as a leading infectious cause of reproductive failure in dairy cattle in world wide. The aim of this study was to determine the seroprevalence of N. caninum infection in industrial dairy cattle of Hamedan province (west of Iran) by ELISA method. Blood samples were co...

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