Seasonal Variation of Honeybee Pathogens and its Association with Pollen Diversity in Uruguay

Microbial Ecology
Karina AntúnezPablo Zunino

Abstract

Honeybees are susceptible to a wide range of pathogens, which have been related to the occurrence of colony loss episodes reported mainly in north hemisphere countries. Their ability to resist those infections is compromised if they are malnourished or exposed to pesticides. The aim of the present study was to carry out an epidemiological study in Uruguay, South America, in order to evaluate the dynamics and interaction of honeybee pathogens and evaluate their association with the presence of external stress factors such as restricted pollen diversity and presence of agrochemicals. We monitored 40 colonies in two apiaries over 24 months, regularly quantifying colony strength, parasite and pathogen status, and pollen diversity. Chlorinated pesticides, phosphorus, pyrethroid, fipronil, or sulfas were not found in stored pollen in any colony or season. Varroa destructor was widespread in March (end of summer-beginning of autumn), decreasing after acaricide treatments. Viruses ABPV, DWV, and SBV presented a similar trend, while IAPV and KBV were not detected. Nosema ceranae was detected along the year while Nosema apis was detected only in one sample. Fifteen percent of the colonies died, being associated to high V. destructor mite...Continue Reading

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Citations

Nov 12, 2016·Microbial Ecology·B BranchiccelaK Antúnez
Mar 25, 2019·Journal of Evolutionary Biology·Dalial FreitakToomas Esperk
Jan 28, 2020·The Journal of General Virology·Sílvia Abril, Jaana Jurvansuu
Jan 26, 2018·PLoS Pathogens·Qingyun Diao, Chunsheng Hou
Apr 10, 2019·Proceedings. Biological Sciences·Emily J RemnantMadeleine Beekman
Feb 27, 2020·Viruses·Alexander J McMenaminMichelle L Flenniken
Aug 4, 2019·Insects·Joseph Belsky, Neelendra K Joshi
Apr 12, 2017·Journal of Economic Entomology·Mohamed AlburakiScott D Stewart
Jul 27, 2017·Scientific Reports·Laura M BrutscherMichelle L Flenniken
Jul 31, 2019·Current Opinion in Insect Science·Jacobus C de Roode, Mark D Hunter

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