Results 111 to 120 of about 4,788 (219)

Transfer of Sulfamethazine from Contaminated Beeswax to Honey [PDF]

open access: yes, 2010
A liquid chromatographic tandem mass spectrometric method for the determination of sulfa drugs in beeswax was developed. When performing residue control on beeswax intended for the fabrication of wax foundations, residues of sulfonamides were found.
Daeseleire, Els   +3 more
core   +1 more source

Epidemiology of Nosema spp. and the effect of indoor and outdoor wintering on honey bee colony population and survival in the Canadian Prairies

open access: yesPLoS ONE, 2021
The epidemiology of Nosema spp. in honey bees, Apis mellifera, may be affected by winter conditions as cold temperatures and differing wintering methods (indoor and outdoor) provide varying levels of temperature stress and defecation flight opportunities.
Rosanna N. Punko   +3 more
doaj  

Diagnosis of nosemosis in a Portuguese reference bee pathology laboratory [PDF]

open access: yes, 2008
ln recent times, nosemosis was thought to be caused by the specific protozoan Nosema apis, a spore forming parasite that invades the intestinal tract of adult bees and is widespread in Europeans countries including Portugal.
Almeida, Armandina dos Santos   +2 more
core  

Avaliação do perfil morfológico de esporos de Nosema spp. presentes em colónias de Apis mellifera L. localizadas na região centro de Portugal [PDF]

open access: yes, 2016
O género Nosema inclui várias espécies que são patogénicas para muitos insetos, designadamente alguns pertencentes às ordens Lepidóptera ou Himenóptera. A Apis mellifera L.
Durão, Luís   +3 more
core   +1 more source

Care for bees: for many reasons and in many ways [PDF]

open access: yes
Pollinating insects are in decline, probably worldwide. This may imply a pollination crisis, for (food) crops as well as wild plants. Eventually this decline might result in great economic losses, a human food crisis and loss of natural biodiversity ...
Blacquiere, T.
core   +1 more source

Retrospective study of the Nosema ceranae infection of honey bee colonies in Iran (2004-2013)

open access: yesArchives of Razi Institute, 2014
Nosemosis is the most common disease in adult bees. Nosema apis and Nosema ceranae species are agents of important economic losses to beekeepers around the world. The severity of disease at various area is different. Previously, N.
Modirrousta, H.   +2 more
doaj  

Investigação em apicultura em Portugal: Portugal, apicultura e Nosema [PDF]

open access: yes, 2012
A Nosemose é uma doença das abelhas melíferas (Apis mellijera L.), cujo agente etiológico tradicional, (o microsporídio unicelular Nosema apis Zander), foi identificado há cerca de cem anos (Paxton, 2010).
Murilhas, António   +3 more
core  

A new threat to bees? Entomopathogenic nematodes used in biological pest control cause rapid mortality in Bombus terrestris [PDF]

open access: yes
There is currently a great deal of concern about population declines in pollinating insects. Many potential threats have been identified which may adversely affect the behaviour and health of both honey bees and bumble bees: these include pesticide ...
Akhurst   +25 more
core   +1 more source

Epidemiology of the Microsporidium Nosema ceranae in Four Mediterranean Countries. [PDF]

open access: yesInsects, 2022
Jabal-Uriel C   +14 more
europepmc   +1 more source

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