نتایج جستجو برای: parasitic and commensal infestation

تعداد نتایج: 16833581  

2018
H Fallatah H Akbar

Massive gastrointestinal bleeding from the small intestine un common, It is usually a complication advanced local small bowel pathology or vascular abnormalities. Parasitc infections causing gastrointestinal bleeding is usually a feature of large bowel prasitc infestations. Small parasitic infestation can cause chronic anemia rather than acute bleeding. This is a report of massive small intesti...

عبداللهی, فاطمه, ملکی, آی ناز, یزدانی چراتی, جمشید,

Introduction and purpose: Pediculosis capitis is one of the parasitic skin diseases, which is widespread in many parts of the world since it is contagious. This study aimed to determine the prevalence of pediculosis capitis and its related risk factors among the elementary students in Kalaleh, Iran. Methods: This cross-sectional study was performed on the primary students in 201...

2002
Robin F.A. MORITZ

A population ecological hostparasite model is used to evaluate the potential impact of clonal parasitic laying workers of the Cape honeybee, Apis mellifera capensis on populations of Apis mellifera scutellata host colonies in apiaries and in the wild. The model includes three basic life history parameters: reproductive rate of the host colonies, transmission efficiency of the parasite and the d...

2017
Dilip Reddy Surya Prasad

In tropical and subtropical countries, the husbandry practices and the environment is ideal for parasite infestation and subsequent reduced productivity in cattle. The most important parasites are liver flukes, schistosomes, amphistomes, cestodes and GI tract nematodes. Oxfendazole is the sulphoxide metabolite of fenbendazole and responsible for that efficacy spectrum of fenbendazole. Oxfendazo...

Journal: :Journal of economic entomology 2014
Richard Cooper Changlu Wang Narinderpal Singh

Detection of low-level bed bug, Cimex lectularius L. (Hemiptera: Cimicidae), infestations is essential for early intervention, confirming eradication of infestations, and reducing the spread of bed bugs. Despite the importance of detection, few effective tools and methods exist for detecting low numbers of bed bugs. Scent dogs were developed as a tool for detecting bed bugs in recent years. How...

2015
A. Ahmed

This cross sectional study aims at determining the effect of gastrointestinal (GI) parasitism on haematological and biochemical parameters in goat. From Jaipur District of Rajasthan, 39 goats of either sex were screened by Direct Smear Method and simple floatation technique for the presence of helminthes eggs in their faeces. The goat found positive for eggs of helminthes eggs were again subjec...

2014
Fanny Mondet Joachim R. de Miranda Andre Kretzschmar Yves Le Conte Alison R. Mercer

Over the past fifty years, annual honeybee (Apis mellifera) colony losses have been steadily increasing worldwide. These losses have occurred in parallel with the global spread of the honeybee parasite Varroa destructor. Indeed, Varroa mite infestations are considered to be a key explanatory factor for the widespread increase in annual honeybee colony mortality. The host-parasite relationship b...

2013
Conrad Seidel Klaus Reinhardt

Bed bugs appear to be feared more than vector insects and other household pests. The reasons for this exaggerated fear are not fully understood. One hypothesis is that the folk knowledge on recognising and controlling bed bugs decreased as bed bugs became rarer in the 1960s and led to irrational perceptions. Here, we examine people's ability to recognise a bed bug and their response what to do ...

Journal: :The American journal of tropical medicine and hygiene 2008
Michael Z Levy Victor R Quíspe-Machaca Jose L Ylla-Velasquez Lance A Waller Jean M Richards Bruno Rath Katty Borrini-Mayori Juan G Cornejo del Carpio Eleazar Cordova-Benzaquen F Ellis McKenzie Robert A Wirtz James H Maguire Robert H Gilman Caryn Bern

We used sentinel animal enclosures to measure the rate of infestation by the Chagas disease vector, Triatoma infestans, in an urban community of Arequipa, Peru, and to evaluate the effect of deltamethrin-impregnated netting on that rate. Impregnated netting decreased the rate of infestation of sentinel enclosures (rate ratio, 0.23; 95% confidence interval, 0.13-0.38; P < 0.001), controlling for...

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