Results 31 to 40 of about 6,143 (210)

Overlapping exposure effects of pathogen and dimethoate on honeybee (Apis mellifera Linnaeus) metabolic rate and longevity

open access: yesFrontiers in Physiology, 2023
Introduction: Declines in honeybee abundance have been observed worldwide during last decades. This is partly due to plant protection agents used in intensive farming, landscaping and infrastructure maintenance.
Kaarel Pent   +5 more
doaj   +1 more source

Exposure of Larvae of the Solitary Bee Osmia bicornis to the Honey Bee Pathogen Nosema ceranae Affects Life History [PDF]

open access: yes, 2019
Wild bees are important pollinators of wild plants and agricultural crops and they are threatened by several environmental stressors including emerging pathogens. Honey bees have been suggested as a potential source of pathogen spillover.
Bramke, Kathrin   +3 more
core   +1 more source

Infection and transmission of Nosema bombi in Bombus terrestris colonies and its effect on hibernation, mating and colony founding [PDF]

open access: yes, 2008
The impact of the microsporidium Nosema bombi on Bombus terrestris was studied by recording mating, hibernation success, protein titre in haemolymph, weight change during hibernation, and colony founding of queens that were inoculated with N.
Steen, J.J.M., van der
core   +3 more sources

First Detection of Nosema ceranae, a Microsporidian Protozoa of European Honey­bees (Apis mellifera) In Iran [PDF]

open access: yesIranian Journal of Parasitology, 2011
Background: Nosemosis of European honey bee (Apis mellifera) is present in bee colonies world­wide. Until recently, Nosema apis had been regarded as the causative agent of the disease, that causes heavy economic losses in apicultures.
S Nabian   +3 more
doaj   +1 more source

Evaluating Efficacy of Fumagilin-B® Against Nosemosis and Tracking Seasonal Trends of Nosema spp. in Nova Scotia Honey Bee Colonies

open access: yesJournal of Apicultural Science, 2020
The efficacy of the antimicrobial Fumagilin-B® against nosemosis was evaluated in both spring and autumn feeding treatments following label directions in seventy-two honey bee (Apis mellifera) colonies across three apiaries in Nova Scotia, Canada.
McCallum Robyn   +3 more
doaj   +1 more source

Variation in the Distribution of Nosema Species in Honeybees (Apis mellifera Linnaeus) between the Neighboring Countries Estonia and Latvia

open access: yesVeterinary Sciences, 2021
The unicellular spore-forming parasites Nosema apis and Nosema ceranae are considered to be one of the causes of increased honey bee mortality in recent years.
Sigmar Naudi   +7 more
doaj   +1 more source

Metabolomics-based biomarker discovery for bee health monitoring : a proof of concept study concerning nutritional stress in Bombus terrestris [PDF]

open access: yes, 2019
Bee pollinators are exposed to multiple natural and anthropogenic stressors. Understanding the effects of a single stressor in the complex environmental context of antagonistic/synergistic interactions is critical to pollinator monitoring and may serve ...
Meeus, Ivan   +5 more
core   +2 more sources

Honey Bee Infection Caused by Nosema spp. in Lithuania

open access: yesJournal of Apicultural Science, 2016
The infection of Lithuanian honey bee colonies by Nosema apis and N. ceranae and the consequences were analysed over a four-year (2011 - 2014) period. Both mono-infection either by N. apis or N.
Blažytė-Čereškienė Laima   +4 more
doaj   +1 more source

A strong immune response in young adult honeybees masks their increased susceptibility to infection compared to older bees [PDF]

open access: yes, 2012
Honeybees, Apis mellifera, show age-related division of labor in which young adults perform maintenance ("housekeeping") tasks inside the colony before switching to outside foraging at approximately 23 days old. Disease resistance is an important feature
Baxter, Laura   +8 more
core   +4 more sources

A survey of Nosema apis infection in apiaries of North Khorasan province, Iran [PDF]

open access: yesThe Iranian Journal of Veterinary Science and Technology, 2012
Nosema apis is an obligate intracellular parasite belonging to phylum Microsporidia. This para site is known as main causative agent of nosemosis in honeybees especially in the European honeybee (Apis mellifera).
Ali moshaverinia   +2 more
doaj   +1 more source

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