نتایج جستجو برای: bee samples

تعداد نتایج: 433578  

2016
Miao Wang Junlong Bi Lei Wang Danyin Zhou Xiaotian Ma Wengui Li Wenzheng Zhao Gefen Yin Jianping Liu Shaoyu He

Deformed wing virus (DWV), black queen cell virus (BQCV), sacbrood virus (SBV), Kashmir bee virus (KBV), acute bee paralysis virus (ABPV) and chronic bee paralysis virus (CBPV) are the most common RNA viruses in bee population worldwide. To determine the prevalence of these viruses in Apis cerana in Yunnan Province, China, 270 adult Eastern worker bee (A. cerana) samples have been collected fro...

Journal: :Journal of apitheraphy and nature 2022

Bee bread is a fermented bee product which the mixture of pollen and honey. This substance actually main source food for honey-bee workers. Due to its rich therapeutic properties, has gained an increasing interest human consumption in recent years. The purpose this study was compare physicochemical characteristics chemical composition samples collected from seven different regions Anatolia. Var...

Journal: :iranian journal of parasitology 0
rahşan ivgin tunca devrim oskay ayhan gosterit olgay kaan tekin

background: the aim of this study was to determine the prevalence of the nosema ceranae and nosema apis among apiaries using both spore counts and multiplex pcr and the replacement of n. apis by n. ceranae in some regions of turkey. methods: a hundred honey bee samples were collected from 99 apiaries in 11 different locations in 2011-2012 in turkey. nosema infection degree from collected sample...

2017
Sebastian Gisder Vivian Schüler Lennart L. Horchler Detlef Groth Elke Genersch

The Western honey bee (Apis mellifera) is widely used as commercial pollinator in worldwide agriculture and, therefore, plays an important role in global food security. Among the parasites and pathogens threatening health and survival of honey bees are two species of microsporidia, Nosema apis and Nosema ceranae. Nosema ceranae is considered an emerging pathogen of the Western honey bee. Report...

2015
Michele Valadares Deveza Kelly Moura Keller Maria Cristina Affonso Lorenzon Lucila Maria Teixeira Nunes Érika Oliveira Sales Ortrud Monika Barth

Pollen is used in the human diet as a food supplement because of its high nutritional value; however, this product is prone to fungal contamination that could potentially generate toxins that are harmful to human health. This study aimed to verify the floral diversity of commercial brands of bee pollen and their mycotoxicological safety for human consumption. A total of 27 bee pollen samples we...

Journal: :Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment 2011
A Dübecke G Beckh C Lüllmann

A total of 3917 honey samples and 119 'bee pollen' samples (pollen collected by honeybees) were analysed for pyrrolizidine alkaloids (PAs). Some 0.05 M sulphuric acid was used for extraction followed by a clean-up step by means of solid-phase extraction. Separation and detection was achieved by target analysis using an LC-MS/MS system. PAs were found in 66% of the raw honeys (bulk honey not yet...

Journal: :Bee Studies- Apiculture Research Institute 2022

This study is focused on the investigation of honey bee samples for presence two most common and widely distributed parasites. In a two-year period during 2020-2021, 185 were tested. All examined by morphological light microscopic methods. The obtained results showed that 32.43% infested with Varroa destructor. degree infection in bees ranged from 0.5% to 60%. Spores Nosema spp. established 25....

Journal: :CoRR 2015
Manuel Chica Pascual Campoy Cervera

1. Introduction 2. Review on computer vision and classification methods for pollen recognition 3. General overview of the standard method and hardware requirement 4. Description of the computational techniques of the methodology 4.1 Segmentation algorithm 4.2 Homogenizing the pollen loads of the image by mean shift filtering 4.3 One-class multi-classification algorithm based on distances 5. Val...

Journal: :Zeitschrift fur Naturforschung. C, Journal of biosciences 2001
A Ozkirim N Keskin

The aim of this study is to find out the ratio of Nosema infected honey bees which are producing the famous Anzer honey that is used for the cure of the illnesses such as farangitis, tonsilitis, ulceration, and scratchs due to the experiences of the people living in Turkey. Honey bee samples were collected from two different regions of Anzer plain in July. Honey bee abdomens were homogenized an...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید