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Registros recuperados: 16
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A theory of the causes of development of epizootics of nosema disease of the honey bee National Institute of Agronomic Research
Doull, Keith M..
A hypothesis is presented to explain the developments of epizootics of nosema disease of the honey bee, Apis mellifera Linnaeus. It is assumed that most hives contain some lightly infected carrier bees in which the numbers of the parasite increase very slowly. But under the influence of certain conditions the parasites within these bees increase in numbers very quickly, and, if other conditions are favorable, an epizootic of the disease will develop. A hypothetical course of development of an epizootic is described. It is suggested that the numbers of the parasite increase when the metabolism of infected bees is changed so as to change the environment of the intracellular parasites. Changes in the metabolism of infected bees are considered to be stress...
Palavras-chave: HONEYBEE; APIS MELLIFERA; APIDAE; HYMENOPTERA; SOCIAL INSECT; NOSEMA; INFECTIOUS DISEASE; EPIZOOTICS; ABEILLE DOMESTIQUE; INSECTE SOCIAL; NOSEMA; MICROSPORIDIE; MALADIE INFECTIEUSE; EPIDEMIE.
Ano: 1961 URL: http://hdl.handle.net/2174/478
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Beobachtungen zur Nosema National Institute of Agronomic Research
Dreher, K..
Tipo: Journal Article-postprint Palavras-chave: HONEYBEE; APIS MELLIFERA; APIDAE; HYMENOPTERA; SOCIAL INSECT; NOSEMA; MICROSPORIDIA; DISEASE; ABEILLE DOMESTIQUE; INSECTE SOCIAL; NOSEMA; MICROSPORIDIE; MALADIE.
Ano: 1961 URL: http://hdl.handle.net/2174/393
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Comb fumigation for nosema disease National Institute of Agronomic Research
Bailey, L..
Tipo: Journal Article-postprint Palavras-chave: HONEYBEE; APIS MELLIFERA; APIDAE; HYMENOPTERA; SOCIAL INSECT; LARVAE; NOSEMA; MICROSPORIDIA; DISEASE; COMB; FUMIGATION; ABEILLE DOMESTIQUE; INSECTE SOCIAL; LARVE; NOSEMA; MICROSPORIDIE; MALADIE; RAYON; FUMIGATION.
Ano: 1957 URL: http://hdl.handle.net/2174/503
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Factors affecting queen losses in package bees National Institute of Agronomic Research
Furgala, B..
Tipo: Journal Article-postprint Palavras-chave: HONEYBEE; APIS MELLIFERA; APIDAE; HYMENOPTERA; SOCIAL INSECT; QUEEN; IMPORTATION; PACKAGE; MORTALITY; SURVEY; NOSEMA; MICROSPORIDIA; DISEASE; OVARY; SPERM; ABEILLE DOMESTIQUE; INSECTE SOCIAL; REINE; IMPORTATION; LOT; MORTALITE; ENQUETE; NOSEMA; MICROSPORIDIE; MALADIE; OVAIRE; SPERME.
Ano: 1962 URL: http://hdl.handle.net/2174/440
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Interactions between Nosema microspores and a neonicotinoid weaken honeybees (Apis mellifera) Inra
ALAUX, C.; Brunet, J.L.; Dussaubat, C.; Mondet, F.; Tchamitchian, S.; Cousin, M.; Brillard, J.; Baldy, A.; Belzunces, L.; Le Conte, Y..
Global pollinators, like honeybees, are declining in abundance and diversity, which can adversely affect natural ecosystems and agriculture. Therefore, we tested the current hypotheses describing honeybee losses as a multifactorial syndrome, by investigating integrative effects of an infectious organism and an insecticide on honeybee health. We demonstrated that the interaction between the microsporidia Nosema and a neonicotinoid (imidacloprid) significantly weakened honeybees. In the short term, the combination of both agents caused the highest individual mortality rates and energetic stress. By quantifying the strength of immunity at both the individual and social levels, we showed that neither the haemocyte number nor the phenoloxidase activity of...
Tipo: Journal Article Palavras-chave: ABEILLE DOMESTIQUE; SANTE; MICROSPORIDIE; INSECTICIDE; NEONICOTINOIDE; IMIDACLOPRIDE; SYNERGIE; MORTALITE; STRESS ENERGETIQUE; IMMUNITE INDIVIDUELLE; IMMUNITE DE LA COLONIE; LUTTE INTEGREE HONEYBEE; HEALTH; MICROSPORIDIA; NEONOCOTINOID; IMIDACLOPRID; SYNERGY; MORTALITY; ENERGETIC STRESS; INDIVIDUAL IMMUNITY; SOCIAL IMMUNITY; GLUCOSE OXIDASE; IPM.
Ano: 2010 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2010b2d84f1e&uri=/notices/prodinra1/2010/11/
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Lutte biologique contre les vecteurs d'affections humaines et tropicales : moyens actuels et perspectives IRD
Chauvet, Guy.
Tipo: Text Palavras-chave: LUTTE BIOLOGIQUE; VECTEUR; PREDATEUR; POISSON; PARASITE; CHAMPIGNON PARASITE; NEMATODE ENTOMOPARASITE; AGENT PATHOGENE; VIRUS; BACTERIE; MICROSPORIDIE; CULICIDAE; SIMULIUM; GLOSSINA.
Ano: 1978 URL: http://www.documentation.ird.fr/hor/fdi:09607
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Nosema and imidacloprid synergy affects immune-strength-related enzyme activity in the honey bee, Apis mellifera Inra
Mondet, F..
The dramatic depopulation of honey beecolonies has not yet been associated to asingle culprit, although many potentialcontributing factors have been identified.In an attempt to address the impact of anassociation of two factors on the honeybee, Apis mellifera, we studied theeffects of a joint exposure to themicrosporidian Nosema and thesystemic insecticide imidacloprid, in thecontext of parasitisation by the miteVarroa destructor. Young adult beeswere exposed to doses found in the field,in a lab rearing experiment. Survival,feeding behaviour, and specific activityof two immunity-related enzymes wereinvestigated. Parasitisation by Nosemacombined with sublethal intoxication toimidacloprid triggered energetic stressand mortality. The association of thesetwo...
Tipo: Thesis Palavras-chave: ABEILLE DOMESTIQUE; INSECTE SOCIAL; MICROSPORIDIE; SYNERGIE; INSECTICIDE SYSTEMIQUE; IMIDACLOPRIDE; NEONICOTINOIDE; COMPORTEMENT ALIMENTAIRE; SURVIE; ENZYME; STRESS ENERGETIQUE; PARASITE; ACARIEN  HONEYBEE; SOCIAL INSECT; MICROSPORIDIA; SYNERGY; IMIDACLOPRID; NEONICOTINOID; FEEDING BEHAVIOUR; SURVIVAL; IMMUNITY-RELATED ENZYME; PHENOLOXIDASE; GLUCOSE OXIDASE; ENERGETIC STRESS.
Ano: 2009 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD20107fcdc55f&uri=/notices/prodinra1/2010/12/
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Pathological effects of the microsporidium Nosema ceranae on honey bee queen physiology (Apis mellifera) Inra
ALAUX, C.; Folschweiller, M.; McDonnell, C.; Beslay, D.; Cousin, M.; Dussaubat, C.; Brunet, J.L.; Le Conte, Y..
Nosema ceranae, a microsporidian parasite originally described in the Asian honey bee Apis cerana, has recently been found to be cross-infective and to also parasitize the European honey bee Apis mellifera. Since this discovery, many studies have attempted to characterize the impact of this parasite in A. mellifera honey bees. Nosema species can infect all colony members, workers, drones and queens, but the pathological effects of this microsporidium has been mainly investigated in workers, despite the prime importance of the queen, who monopolizes the reproduction and regulates the cohesion of the society via pheromones. We therefore analyzed the impact of N. ceranae on queen physiology. We found that infection by N. ceranae did not affect the fat body...
Tipo: Journal Article Palavras-chave: MICROSPORIDIE; PARASITE; REINE; SANTE; PHYSIOLOGIE; CORPS GRAS; ENERGIE; VITELLOGENINE; FERTILITE; LONGEVITE; ANTIOXIDANT; PHEROMONE MANDIBULAIRE MICROSPORIDIA; QUEEN; HEALTH; PHYSIOLOGY; FAT BODY; ENERGY; VITELLOGENIN; FERTILITY; LONGEVITY; MANDIBULAR PHEROMONE; PHEROMONE; HONEY BEE QUEEN; VITELLOGENIN; QUEEN MANDIBULAR PHEROMONES; ANTIOXIDANT CAPACITY.
Ano: 2011 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD20116cf9b1bf&uri=/notices/prodinra1/2011/04/
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Results of field trials at Rothamsted of control methods for nosema disease National Institute of Agronomic Research
Bailey, L..
Tipo: Journal Article-postprint Palavras-chave: HONEYBEE; APIS MELLIFERA; APIDAE; HYMENOPTERA; SOCIAL INSECT; LARVAE; NOSEMA; MICROSPORIDIA; DISEASE; CONTROL; FIELD TRIAL; ABEILLE DOMESTIQUE; INSECTE SOCIAL; LARVE; NOSEMA; MICROSPORIDIE; MALADIE; LUTTE; ESSAI EN CHAMP.
Ano: 1955 URL: http://hdl.handle.net/2174/498
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The control of nosema disease National Institute of Agronomic Research
Bailey, L..
Tipo: Journal Article-postprint Palavras-chave: HONEYBEE; APIS MELLIFERA; APIDAE; HYMENOPTERA; SOCIAL INSECT; NOSEMA; MICROSPORIDIA; INFECTIOUS DISEASE; CONTROL; ABEILLE DOMESTIQUE; INSECTE SOCIAL; NOSEMA; MICROSPORIDIE; MALADIE INFECTIEUSE; LUTTE.
Ano: 1954 URL: http://hdl.handle.net/2174/494
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The effect of the intensity of nosema inoculum on queen supersedure in the honey bee, Apis mellifera Linnaeus National Institute of Agronomic Research
Furgala, B..
Queen honey bees (Apis mellifera Linnaeus) were inoculated with known numbers of Nosema apis Zander spores and introduced into frame nuclei. Inoculations with as few as 1000 spores resulted in supersedure. All superseded quees recovered were found infected. The degree of infection, and the time wich elapsed before supersedure resulted, varied within a given dosage level. Some inoculated queens survived and were found free of spores, suggesting that selection for resistance to nosema disease is possible.
Tipo: Journal Article-postprint Palavras-chave: HONEYBEE; APIS MELLIFERA; APIDAE; HYMENOPTERA; SOCIAL INSECT; QUEEN; SUPERSEDURE; NOSEMA; MICROSPORIDIA; DISEASE; INFECTION; DOSAGE; ABEILLE DOMESTIQUE; INSECTE SOCIAL; REINE; REMPLACEMENT; NOSEMA; MICROSPORIDIE; MALADIE; INFECTION; DOSE.
Ano: 1962 URL: http://hdl.handle.net/2174/442
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The epidemiology and control of nosema disease of the honey-bee National Institute of Agronomic Research
Bailey, L..
The proportion of honey-bees infected with Nosema apis (Zander) declines in summer as the old infected bees die, for they cease to transmit their infection to the newly emerged individuals during the flying season. N. apis spores survive the summer on combs contaminated with infected faeces during the preceding winter. Although bees clean the combs during the summer, all infected material is not removed, and even well-used brood comb, which has been repeatedly cleaned by bees, can carry infection. Only a few bees may contract infection in the autumn from these faeces, but they join the winter cluster and initiate the next outbreak of the disease. Transferring a colony on to clean comb early in the spring or summer removes the source of the disease, and it...
Tipo: Journal Article-postprint Palavras-chave: HONEYBEE; APIS MELLIFERA; APIDAE; HYMENOPTERA; SOCIAL INSECT; LARVAE; NOSEMA; MICROSPORIDIA; DISEASE; EPIDEMIOLOGY; ABEILLE DOMESTIQUE; INSECT SOCIAL; LARVE; NOSEMA; MICROSPORIDIE; MALADIE; EPIDEMIOLOGIE.
Ano: 1955 URL: http://hdl.handle.net/2174/502
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The natural mechanism of suppression of Nosema apis Zander in enzootically infected colonies of the honey bee, Apis mellifera Linnaeus National Institute of Agronomic Research
Bailey, L..
Honey bees, artificially infected with Nosema apis Zander and introduced into an enzootically infected colony in summer when infection was naturally diminishing, were all infected and developed similar numbers of spores to those in naturally infected bees in spring when infection was high. This, and other evidence, suggests infection is not naturally suppressed by increased environmental temperature, but by reduction of infective fecal matter of the bees, which do not transmit infection to young individuals in summer.
Tipo: Journal Article-postprint Palavras-chave: HONEYBEE; APIS MELLIFERA; APIDAE; HYMENOPTERA; SOCIAL INSECT; NOSEMA APIS; MICROSPORIDIA; INFECTIOUS DISEASE; NATURAL SUPPRESSION; ABEILLE DOMESTIQUE; INSECTE SOCIAL; NOSEMA APIS; MICROSPORIDIE; MALADIE INFECTIEUSE; SUPPRESSION NATURELLE.
Ano: 1959 URL: http://hdl.handle.net/2174/492
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The nosema-inhibitory activity of alcohol I, a component of fumagillin National Institute of Agronomic Research
Gochnauer, T.A.; Furgala, B..
Tipo: Journal Article-postprint Palavras-chave: HONEYBEE; APIS MELLIFERA; APIDAE; HYMENOPTERA; SOCIAL INSECT; NOSEMA; MICROSPORIDIA; DISEASE; FUMAGILLIN; ESTER; ANTIBIOTIC; ALCOHOL; DECATETRAENE-DIOIC ACID; ABEILLE DOMESTIQUE; INSECTE SOCIAL; NOSEMA; MICROSPORIDIE; MALADIE; FUMAGILLINE; ESTER; ANTIBIOTIQUE; ALCOOL; ACIDE DECATETRAENE-DIOIQUE.
Ano: 1962 URL: http://hdl.handle.net/2174/441
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The transmission of nosema disease National Institute of Agronomic Research
Bailey, L..
Results obtained during investigations on Nosema apis at Rothamsted indicated that transmission of the disease from diseased bees to healthy bees virtually ceases during the flying season, and that the primary means of transmission of the disease from year to year is comb which has been soiled by excreta during the winter.
Tipo: Journal Article-postprint Palavras-chave: HONEYBEE; APIS MELLIFERA; APIDAE; HYMENOPTERA; SOCIAL INSECT; LARVAE; NOSEMA; MICROSPORIDIA; DISEASE; TRANSMISSION; ABEILLE DOMESTIQUE; INSECTE SOCIAL; LARVE; NOSEMA; MICROSPORIDIE; MALADIE; TRANSMISSION.
Ano: 1953 URL: http://hdl.handle.net/2174/499
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The use of gamma radiation from cobalt-60 in the control of disease of the honeybee and sterilization of honey National Institute of Agronomic Research
Katznelson, H.; Robb, J.A..
Tipo: Journal Article-postprint Palavras-chave: HONEYBEE; APIS MELLIFERA; APIDAE; HYMENOPTERA; SOCIAL INSECT; DISEASE; AMERICAN FOULBROOD; BACILLUS LARVAE; NOSEMA APIS; MICROSPORIDIA; CONTROL; HONEY; STERILIZATION; GAMMA RADIATION; COBALT 60; HIVE PRODUCT; ABEILLE DOMESTIQUE; INSECTE SOCIAL; MALADIE; LOQUE AMERICAINE; BACILLUS LARVAE; NOSEMA APIS; MICROSPORIDIE; LUTTE; MIEL; STERILISATION; RADIATION GAMMA; COBALT 60; PRODUIT DU RUCHER.
Ano: 1962 URL: http://hdl.handle.net/2174/464
Registros recuperados: 16
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