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Beekeeping Industry In China

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China is situated in Eastern Asia on the Western Pacific, with an area of 9.6 million square kilometres and 7 million managed bee colonies. It is the largest producer and exporter of bee products in the world. The Chinese economy is developing rapidly, and its beekeeping industry plays an important role in world trade.
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Introduction
Witharecordedhistorygoingbackover5,000years,China
isoneoftheworld’searliestcivilizations.ThePeople’s
RepublicofChinawasfoundedonOctober1,1949.The
majorityoftheterritoryhasatemperateclimate,with
subͲtropicalandtropicalareasintheSouthandacold
temperateregionintheNorth.Suchvariationoffersa
diverseecologicalenvironment.Withinthecountrythere
are56ethnicgroups,andthetotalpopulationnowexceeds
1.3billion.AFamilyPlanningPolicyhasbeenimplemented
sincethe1970’s.UndertheleadershipofDengXiaoping,
Chinabegantoreformitseconomyin1978therebycharting
thecourseformodernization.
Overviewofbeekeeping
Althoughsixspeciesofhoneybeegenuscanbefoundin
mainlandChina,onlytwo,ApismelliferaandApiscerana,
aremanagedfortheirproduce.Thereareanestimated7
millionmanagedcoloniesinChina(FAOrecorded8.77
millionin2008),ofwhichabout5millionareWestern
lineages(Apismellifera)andtheothersareindigenous
Easternhoneybees(Apisceranacerana).
ThedensityofcoloniesinChinaisonly0.73coloniesper
squarekilometre,whichismuchlessthanthatofSouthKorea
(18.8)andTurkey(5.1).Thenumberofcoloniesperapiary
usuallyrangesbetween50and150withupto140thousand
apiariesinChinaasawhole.Couples,sometimeswiththe
helpofoneortwoassistants,runmostoftheapiaries.
However,therearesomewiththousandsofcoloniesrun
bybeeͲproductcompanies.ColonymanagementinChinais
stilllabourͲintensivewithfrequentinspectionandelaborate
managementtogetahigheryieldofproducts.
Thedistributionofthecoloniesoverthewholecountryis
notuniform.TheProvinceofZhejiang,whichislocatedin
China’seasterncoastalregionnexttoShanghai,isa
provinceofimportantstatusinthebeekeepingindustry.
Therearemorethan1millionbeehivesregisteredto15,000
householdsintheprovince,whichaccountsforoneseventh
ofthenationaltotal.Thesehivescontributeonethirdof
thehoneyandhalfoftheroyaljellyproductionofthewhole
country.Insomeotherprovinces,however,especiallyin
WesternChina,thebeekeepingindustryisstillinitsinfancy.
Localgovernmentandbeekeepingassociationsaremaking
effortstopromoteitsdevelopmenttohelpruraleconomy.
Mostofthecommercialandprofessionalbeekeepersprefer
tokeepWesternbees,mainlyApismelliferaligustica,
becausetheyaremoreproductivethantheAsianhoneyͲ
bees.Thelessprofessionalbeekeepers,orthehobbyists,
prefertokeeptheindigenousChinesebees(A.c.cerana)
becausetheyaremoredocileanddonotrequiresuch
elaboratemanagementastheWesternbees.These
indigenousbeesarealsowidelychoseninsedentary
apiariesinthemountainousareassincetheyarebetterat
foragingfromdispersednectarorpollensources(Yang,
2001).Moreover,sinceApisceranaisthenaturalhostof
varroadestructor,itisresistanttothemajorhoneybee
pestandmitecontrolisnotnecessary.
Beeproductsarethemainincomesourceofbeekeepers,
whilethedemandforpollinationservicesisobviously
increasing.NopackagedbeemarketexistssinceallbeeͲ
keeperskeeptheircoloniesoverwinterandbuildupthe
populationinearlyspring.Withoutexceptionhoneyisthe
mostimportantprimaryproductbothfromaquantitative
www.ibra.org.uk June2011ŇBeeWorldŇ41
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BeekeepingIndustryInChina
HuoͲQingZheng,WenͲTingWei,FuͲLiangHu
CollegeofAnimalSciences,ZhejiangUniversity,Hangzhou,China.
ChinaissituatedinEasternAsiaontheWesternPacific,withanareaof9.6millionsquarekilometresand7
millionmanagedbeecolonies.Itisthelargestproducerandexporterofbeeproductsintheworld.The
Chineseeconomyisdevelopingrapidly,anditsbeekeepingindustryplaysanimportantroleinworldtrade.
Photo.1.TheimportanceofroyaljellycanbeseenbyextentofthisworldclassbeeproductsfactoryinChina.
andaneconomicalpointofview,followedbyroyaljelly,
beepollen,propolisandbeeswax.Someskilledbeekeepers
alsoproduceandselldronepupaeandvenom.Queenlarvae,
asabyͲproductofproducingroyaljelly,hasalimitedmarket
butbringsinsomeextraprofit.Afewcommercialhealth
foodsconsistingofqueenlarvaehavebeendeveloped,
‘queenlarvaewine’,whichisregardedtohaveasimilar
biologicalfunctionasroyaljelly,ismadebyimmersingthe
larvaeinwineforaperiod.
Theannualyieldofhoneyisapproximately300,000metric
tonnes,halfofwhichisexported,mainlytoJapan,USA,
CanadaandUK.Othernationwidebeeproductproduction
estimatesforrecentyearsarearound:3,000metrictonnes
ofroyaljelly;5,000metrictonnespollen;4,000metric
tonnesbeeswax;350metrictonnespropolis.Theannual
profitfromexportedbeeproductsforChinaisabout
US$100,000,000.
Honeyproduction
TheaverageannualyieldofhoneyproductionofanApis
melliferacolonyis50kilograms.Therearemorethan20
kindsofmonofloralhoneywhichcanbeputintomass
production,theseinclude:
Rape Brassicacampestris
ChineseMilkVetch Astragalussinicus
Lichee Litchichinensis
Longan Dimocarpuslongan
Locusttree Robiniapseudoacacia
VetchleafSophoraSophoradavidii
Eucalyptus
HairyVetch ViciaVillosa
ChineseDate Ziziphuszizyphus
WhiteSweetCloverMelilotusalba
Linden Tilia
Chastetree Vitexnegundo
Sesame Sesamumorientale
Sunflower Helianthusannuus
ElsholtziaRugulose
Swallowwort
Cynanchumkomarovii
Buckwheat Polygonumesculentum
EuryaThunb
IvyTree Scheffleraoctophylla
ThemajorityofbeekeeperskeepingApismelliferamigrate
throughoutthecountrytohitpeakbloomingtimes,thus
thehoneyflowcouldlastupto8months.Mostbeekeepers
arefromtheSouthofChina.Normallytheymovefromthe
SouthtotheNorthaftertherapeseasoninspringandback
totheSouthinlateautumntotheteafloweringseasonin
ordertocollectteapollen,whichisoneofthemost
importantkindsofbeepollen,andtoprepareforoverͲ
wintering.Afewofthemdonotmigrate,atleastovera
longdistance,keepingthebeesneartheirhousesall
aroundtheyear.UsuallythelongͲdistancemigratorybeeͲ
keepersproducemorehoneywhilethesedentaryorshortͲ
distanceonesfocusmoreonproducingroyaljelly.
ComparedwithApismellifera,Apisceranamaintainsa
smallerpopulationandislessproductive.Onlytento
twentykilogramshoneycanbeproducedperyearbyeach
colony.However,thepriceofApisceranahoneyisseveral
timesofthatofApismelliferahoney.
Royaljellyproduction
Chinaenjoysahighreputationforitshighyieldofroyal
jellyproducingover95%oftheproductinworldtrade.
ThereareseveralreasonswhyChinacanproducesucha
largeamountofroyaljelly.
SincetheWesternbeeswerefirstintroducedintoChinain
1896(Chen,1993),theyhavebeenhighlyselectedand
bredspecificallyfortheproductionofroyaljelly.
Professionalbreedingprogramswerecarriedoutin
governmentalbreedingapiaries,aswellinsomeprivate
breedingapiaries.Artificialinseminationwasconductedin
thesebreedingapiariestocontrolthemating.Moreover,
selectionandbreedingschemesarealsoimplementedby
somehobbyistbeekeeperswhentheyrearandreplace
queenseveryoneortwoyears.Theyobserveandrecord
theyieldandcharacteristics,suchasdiseaseresistanceand
aggressiveness,ofallthecoloniesandselectthebestones
fromwhichtorearnewqueens.Thisprocessalsocontributes
alottohoneybeebreeding,despitethequeensbeingallowed
tomatenaturally.Whencarriedoutinarelativelyisolated
areainwhichalltheapiaries,aiminginthesamebreeding
direction,areinvolvedasthebreedingstock.Actually,the
firsthoneybeelineagewithhighroyaljellyproductionwas
producedbysuchhobbyistbeekeepersinlate1980’sinPinghu,
Photo.2.Anapiaryamidacresofrapebloom.Photo.3.Anapiaryinsummer.
42ŇBeeWorldŇJune2011www.ibra.org.uk
acountyofZhejiangprovince.Thesucceedingefforts
conductedinprofessionalbreedingapiariesafterthe
discoveryofsuchlineageshasmadethegeneticsmore
stable.Nowadayshoneybeelineageswithhighroyaljelly
productionthatoriginatedfromZhejiangprovince,also
namedZhejiangJiangFeng(ZhejiangRoyalJellyBee),have
spreadtoalmostallprovincesofChina.
Secondly,thedevelopmentofrelatedtechniquesandtools
contributedgreatlytothehighyield.Thetechniquemostly
involvedbuildingupandmaintainingalargecolony
population.Itappearsthatlargercoloniestendtoproduce
disproportionatelymorebeeproductswhencomparedto
smallercolonies.Thehoneybeelineageswithhighroyal
jellyproductionbuilduptheirpopulationmorerapidlyand
canmaintainthatpopulationwithoutswarminggiven
sufficientfoodsupplyandtheeliminationofqueencells.
Intensivemanagementprovidesanothersupporttothe
strongpopulation.Thisisespeciallytrueinearlyspring
whenthepopulationisexpectedtobebuiltupfromabout
oneortwocombstotwelvetopreparethecoloniesforthe
honeyflowafterwintering.
Themostimportantdevelopmentforroyaljellyproduction
wasthatofplasticqueencupsintowhichonedayoldlarvae
aregraftedandnursebeessecreteroyaljellytofeedthe
larvae.Theinventionoftheplasticqueencupsmakesit
possibletoproduceroyaljellyonalargescale.Beforethat,
waxqueencupshadtobemadeandlocatedonwooden
stripsbeforegrafting.Thecombineddevelopmentof
techniquesandtoolsraisedtheyieldofroyaljellyfrom
about300gupto5kgperhiveayearbytheendof1980’s
insomeareasofZhejiangprovince.Theyieldofroyaljelly
percolonyofhighyieldlineagesaverages200gramsina
72Ͳhourproducingperiodandtheannualyieldreaches10
kilograms.
Chinesescientistsaredevelopingnewtechniquesand
instrumentstofacilitateevenhigherroyaljellyproduction.
Forexample,honeybeemultiplequeencolonieswere
createdtoprovideyounglarvaewithauniformagefor
grafting(Zhengetal.,2009a,b).Techniquestoproduce
royaljellywithoutgraftingandinstrumentsforautomatically
extractingroyaljellyarebeendeveloped.
Apisceranadonotproducecommercialroyaljellysince
theymaintainsmallerpopulationsandaremoreproneto
swarm.
Domesticconsumptionofbeeproducts
Therearemorethan2,000companiesspecializinginthe
manufactureandsaleofbeeproductsinChina,withatotal
annualsalesvolumeofaboutUS$1.2billion.Themajority
ofthesecompaniesaresmallormediumͲsizedenterprises.
OnlytenofthemhaveannualsalesvolumeoverUS$15.2
million
Beeproductsareconsideredashealthyfoodandwidely
usedintraditionalChinesemedicine.Withthedeveloping
economyandtheincreasingdemandtokeephealthyunder
highcompetingstress,growthinbeeproductconsumption
istakingplacewithinthehomemarket.Reportedly,raw
honeyconsumptionisgrowingbetween5Ͳ10%ayear.
Consumptionofotherbeeproductssuchasroyaljellyis
growingatabout20%ayear.Nowadays,onecansee
hundredsofshopsspecializinginbeeproductsinurban
centressuchasBeijing,Shanghai,NanjingandHangzhou.
Besidesrawconsumption,honey,asasweetener,isused
inthepreparationofsomefoodslikeBeijingRoastDuck
andalsoinsomehealthdrinksandcarbonateddrinks.
Royaljellyhasalsobeenintroducedintosomebeverages.
Ofallthebeeproducts,beeswaxhasbeen,andremains,
themostversatileandmostwidelyusedmaterial.Its
marketinChinaislimitedandlessthan10%isconsumedat
home,evenincludingtheincreasinguseincosmetics,with
themajorityexportedtotheUSAandtheEU.
Propolisisrelativelynewasacommercialbeeproduct.It
hasbeenrecentlyprovedtobeantibacterial,antiͲdiabetic,
andcapableofreducinginflammation(Hu,2005).However,
judgingfromtheprofittomanufacturersanditspopularity
inChina,ithasbecomeoneofthemostvaluablebee
products.Itmaybetheonlybeeproductthatrequires
importationtomeettheboomingdemandofthedomestic
marketduetotheweaknessofApismelliferaliguisticato
producequantitiesofpropoliswhileApisceranadoesnot
collectresinatall.
Themostchallengingproblemsinbeeproductindustryare
thedetectionofadulterationandthefurtherprocessingof
rawmaterials.Varioustechniques(e.g.vacuumfreezeͲdrying,
supercriticalfluidextraction,nanoͲtechnology,enzyme
engineering,membraneseparation,microencapsulation,
radiationtechnology)arenowusedtodevelopnewproducts
andmuchattentionhasbeenpaidbyresearchersto
developmethodstodetectadulteration(Zhangetal.,2011).
Theadministrationofbeekeepingindustry
Theindustryisofficiallyinspectedandregulatedbythe
MinistryofAgriculture.Chinesebeekeepersarenolonger
onlyconcernedabouttheiryieldsbutpaymuchattention
tothequalityoftheirproducts.Educationalcourses
concerningthetechniquestoproducehighqualityproducts
arearrangedeveryyearbylocalbeekeepingassociations.
Thereisalsoanannualnationalbeeproductsconference
organizedbyApiculturalScienceAssociationofChina
(ASAC)andChinaBeeProductAssociation(CBPA)which
morethanonethousandattending.
www.ibra.org.uk June2011ŇBeeWorldŇ43
Photo.4.Anapiaryinateaplantation.
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Besidesthenationalandlocalbeekeepingassociations,
companiesspecializinginbeeproductsalsoplayan
importantroleincontrollingthequality.Toensurethat
theyhavehighqualityproductsfreeofresiduesmostof
theenterprises,especiallythebigones,havetheirown
beekeepingbasesandmakecontractswiththeirsupplying
beekeepers.
References
Chen,YC(1993)ApicultureofChina.ChinaAgriculture
Press.inChinese
Hu,FL(2005)Studiesonpharmacologicalactionsofpropolis.
ZhejiangUniversityPress.inChinese
Jin,SH(2003)IntroductionofPinghuhoneybeebreedof
highroyaljellyproducingcharacteristic.Apiculture
ofChina54(1):25.inChinese.
Introduction
TodateapicultureisstillahighlabourͲintensiveindustryin
particulartheproductionofroyaljellyisalmosttotally
dependentonmanualoperation.Royaljellyisoneofthe
mostimportantbeeproductsinChinawhichsuppliesmore
than90%oftheworldmarket.Withtheboomingofsocial
economymechanizedbeekeepingisurgentlyneeded.
Originally,beeswaxcupswereusedforroyaljelly
productionbutwerenotefficientandgavealowyield.In
the1980’sthequeencupplasticstripwasintroducedand
representedaninnovativestep.Themosttypicalwasthe
highlyproductivequeencellcupstrip,whichwasinvented
byZhejiangAgriculturalUniversity.Thiskindofplasticcup
washighlyreceptive,labourͲsaving,gaveahighoutputand
washealthy,durableandeasytooperate.Royaljelly
productioncouldbeimprovedby20Ͳ30%byapplyingsuch
anewplasticstrip.Itwaspatentedaroundtheworldin1987
withitsspecialdesignandcapmakingagreatcontribution
totechnologyofroyaljellyproduction(Chenetal.,1987).
Upto1989,morethan1.3millionplasticcupframeshad
beenpromotedthroughoutChinagivingrisetosignificant
economicandsocialbenefits.Later,intheearly1990’s,
withcontinuousexplorationofroyaljellymechanized
production,thesuctionmachine,thecentrifugalmachine
andthesemiͲautomaticmachinewereinventedsuccessively.
Thesemachinesextractedroyaljellyfromqueencellcups
withdifferentmechanisms,butallfailedtotrulymechanize
royaljellyproductionandwerenotwidelyacceptedby
beekeepers.
Yang,GH(2001)TheChineseHoneybee.ChinaAgriculture
Press.inChinese.
Zhang,CP;Zheng,HQ;Liu,G;Hu,FL(2011)Development
andvalidationofHPLCmethodfordeterminationof
salicininpoplarbuds:applicationforscreeningof
counterfeitpropolis.
FoodChemistry
127(1):345Ͳ350.
Zheng,HQ;Jin,SH;Hu,FL;Pirk,CWW(2009)Sustainable
multiplequeencoloniesofhoneybees,Apis
melliferaligustica.JournalofApiculturalResearch
48(4):284Ͳ289.DOI:10.3896/IBRA.1.48.4.09
Zheng,HQ;Jin,SH;Hu,FL;Pirk,CWW;Dietemann,V
(2009)Maintenanceandapplicationofmultiple
queencoloniesincommercialbeekeeping.Journal
ofApiculturalResearch48(4):290Ͳ295.DOI:
10.3896/IBRA.1.48.4.10
Anewadvancedmachinewasinventedbycooperation
betweenZhejiangSanyongBeeIndustryTechnologyand
theAnimalScienceCollegeofZhejiangUniversity.This
machinehasanewtypeofcupframemadesothatitcould
sustainitsshapeforalongtime.Anappropriatenumberof
cupswithsuitablediameterandheightwerefixedonthe
frame(Photo.1),contributingtoahighacceptance,upto
95%,forthefirstgrafting.
Themachinemeasures68×65×62(cm),withaweightof40
kg,andispowerratedat40W(Photo2).Itcanbedrivenby
solarenergy,directcurrent(12V),alternatingcurrent
(220V)orevenbyhand.Itcouldsavetimeandlabour,
improveefficiencyandcompletelyreplacethemanualwork.
Thedesignofthemachineimitatesthemanualoperation,
whichensuresthegoodqualityoftheproduct(Photo.3).
Allmaterialsusedintheconstructioncompletelymeetthe
requirementsofenvironmentalprotection,ensuringthe
safetyoftheproducts.Fatiguetestshaveprovedthe
reliabilityofthemachine,whichissimpletooperate.Itis
necessarytocutoffthebasewax,removethelarvae,clean
upthequeencupswithoutexceptionbeforecontinuously
placingthecupframesintothereceivingslotonthetopof
themachine(Photo.4)andstartingthemotor.Theroyal
jellyautomaticallyflowsintothebottlesalongthechannel,
leavingtheemptycupͲframes.
ThemachineworksonthebasisofapulpͲdiggingmechanism.
Itcouldcleanup32cupsatonetime,andcouldcomplete
extracting600stripsofroyaljellywithinanhour.Forexample,
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AdvancedMechanizationOfRoyalJellyProduction
FangLiu,SongkunSu,YuxingWang,SongfuPan,XiaohuaZheng,
ShuangjinDai,ShengluChen,Hangzhou,China
ScientistsfromZhejiangUniversityandengineersfromtheZhejiangSanyongTechnologyCompany
havecombinedtoproduceanadvancedmachinehasbeenintroducedforroyaljellyextractionwiththe
potentialtoreducelabourintensityandproduceahealthyandsafeendproduct.
44ŇBeeWorldŇJune2011www.ibra.org.uk
... As a major honey-producing region, East China's Zhejiang Province has over one million honeybee hives, with approximately 15,000 beekeepers, accounting for one-seventh of the national output [18]. Nevertheless, large-scale investigations of FQ residue profiles in honeys from Zhejiang Province are limited. ...
... Due to more honey production and commercial benefits, a majority of professional beekeepers choose to raise Apis mellifera in China. Small amounts of Chinese beekeepers and hobbyists, especially in mountain areas, choose to raise indigenous Chinese honeybees with less management and high quality [18]. Our results showed that the detection frequency and residue levels of FQs in honey from Western honeybees were obviously higher than Chinese honeybees (p < 0.05), which may be related to the fact that Chinese honeybee colonies live in mountainous regions, consume natural nectar, and have little exposure to veterinary drugs. ...
... Meanwhile, Chinese honeybees are more resistant to disease than Western honeybees and typically produce mature honey 1-2 times a year by cutting the honeycomb with high prices, which may result in less antibiotic use. Moreover, since Chinese honeybees are resistant to the major bee pest, this may also enhance bees' health levels and reduce drug usage [18]. The different detection rates of FQs in various years may be linked to climate change and the outbreak of honeybee disease in China between 2016 and 2018. ...
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As a group of antibiotics largely used in China’s animal husbandry, fluoroquinolone (FQ) residues in honey may pose potential threats to human health. This study performed a five-year investigation on the occurrence of FQ residues in honey in 521 Apis mellifera and 160 Apis cerana honey samples collected from Zhejiang Province, China and compared FQ residue profiles in honey with a subgroup of various factors. Deterministic and probabilistic risk assessments of exposure to FQ residues in honey were further conducted. Overall, four FQs were detected in 6.9% (47/681) of analyzed samples; banned norfloxacin with the highest level (7890 μg·kg−1) and detection frequency (4.9%) was the primary safety risk factor associated with honeybees raised in China. FQ detection frequency and concentration of rape honey was highest among four of the largest and most stable honeys (rape, acacia, chaste, and linden) in China. Processed honey from commercial sale channels had a significantly higher detection frequency of FQ residues than raw honey from apiaries. Deterministic assessment showed that the noncarcinogenic hazard quotient (HQ) value of the dietary intake of FQs by the local population was between 4.75 × 10−6 and 1.18 × 10−3, less than 1.0, indicating that FQ residues in honey posed a low risk for consumers. The order of the HQ value was ciprofloxacin > norfloxacin > enrofloxacin > ofloxacin. Probabilistic assessment showed that at P95, the HQ of FQs for the age groups of children, adolescents, adults, and older adults over 65 years ranged from 2.39 × 10−5 to 0.217, less than 1, and the exposure risk for adults was higher than for children and adolescents. Sensitivity analysis showed that FQ concentrations were the major contributors to health risks. Although a low risk was found, a strict hive management is needed for beekeepers regarding troubles of food safety, international trade, and human bacterial resistance.
... China has practiced beekeeping since ancient times (Zheng et al., 2011;Zheng et al., 2018). It is not surprising that the country has a high capacity for bee product analysis and honey quality measurement with adequate equipment. ...
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This research paper aims to explore a network governance in sustainable apiculture management and identify its challenges to government and non-governmental policy makers. Qualitative data was collected through participant observation during field visits and Focus Group Discussions (FGDs) with regional apiculture management. The research results show that each country in the Mekong subregion has different network governances in supporting a sustainable apiculture management. Some countries have a collaborative network between the government, the civil society, entrepreneurs, and scholars. In contrary, some countries lack a policy framework from the government. This difference becomes challenges for the six governments of the Mekong subregion countries to commonly support the sustainable apiculture management in the subregion. The identified challenges in the paper are: (1) a capacity gap between the six countries of the region; (2) no common policies and regulations that would facilitate local beekeepers’ access to wider regional bee products; (3) no support for inter-regional transport of bees and honey for academic purposes; (4) inadequate native bee species preservation and pesticides use; (5) local beekeepers’ limited access to a regional bee diseases and pesticides use database; and, (6) a lack of regional standards for general honeybee product support.
... Technology for the production of RJ without grafting and an instrument for the automatic extraction of RJ have been developed (H.-Q. Zheng et al., 2011;H. Q. Zheng et al., 2009). ...
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... V. underwoodi mites reproduce successfully in colonies of A. cerana bees, but its detection in colonies of other honey bee species suggests that these mites are capable of interspecific host change. It can be especially dangerous for A. mellifera colonies kept close to A. cerana colonies, as is common in most Asian countries (Zheng et al., 2011(Zheng et al., , 2018Chantawannakul et al., 2016;Wang et al., 2019a, b;Roberts et al., 2020). ...
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Species of the genus Varroa are ectoparasitic mites of the Apis honey bees. Unlike the well-known species of mites V. destructor and V. jacobsoni, V. underwoodi is still poorly studied. According to foreign publications, the currently recognized distribution of V. underwoodi in the A. cerana population includes Nepal, South Korea, Japan, Malaysia, India, Indonesia, Papua New Guinea, Vietnam, and China. Recently it has been detected in Russia (Primorsky krai) on A. cerana ussuriensis honey bees. Since V. destructor and V. jacobsoni have the ability to easily switch to other bee species, there is a possibility that later V. underwoodi may also extensively switch from the Asian honey bees A. cerana to the European honey bees A. mellifera. The first case of V. underwoodi parasitizing in A. mellifera colonies was recorded in Papua New Guinea. The parasitic mite V. underwoodi requires careful study, since it is a new potential parasite of the honey bees A. mellifera, which can also bring new species and strains of viruses and bacteria, change the composition of the gut microbiome, and disrupt the protective and adaptive mechanisms of the bees. This article presents the data of morphometry and polymorphism of the COX1 gene mtDNA. Varroa underwoodi was compared with the other mite species V. destructor and V. jacobsoni. The mean genetic divergence and p-distance between V. underwoodi and other Varroa species were 9% and 0.09, respectively, which is consistent with the level of species differences in insects. The nucleotide sequences of the COX1 gene mtDNA of V. underwoodi from Primorsky krai of Russia LC532104 and from the Jilin province of China MH205176 turned out to be identical and were assigned to the China 1 MH205176 haplotype. It is assumed that there is continuous migration between the A. cerana populations of Russia and China, which led to the spread of V. underwoodi in the natural population of A. cerana ussuriensis in the Primorsky krai of Russia, and the mite is currently distributed up to 45.06° N. Thus, the northern border of the V. underwoodi range is located on the territory of the Russian Far East and, probably, coincides with the range of A. cerana ussuriensis. It is likely that the selection of A. mellifera bee colonies for hygienic behavior against the V. destructor mite may also be effective against V. underwoodi and will prevent the possible transition of V. underwoodi from Asian A. cerana to European A. mellifera.
... Many view systematic harvesting of immature honey followed by industrial moisture reduction as not complying with the Codex definition, since the honey is not matured by bees in the hive. [23][24][25] Others point to the nomadic lifestyle of Chinese beekeepers [26][27][28] and the high humidity of Asia necessitating periodic collection of immature honey for aggregation and moisture removal, to prevent fermentation. There are ongoing discussions on these issues 29 . ...
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The composition of honey, a complex natural product, challenges analytical methods attempting to determine its authenticity particularly in the face of sophisticated adulteration. Of the advanced analytical techniques available, only isotope ratio mass spectrometry (IRMS) is generally accepted for its reproducibility and ability to detect certain added sugars, with nuclear magnetic resonance (NMR) and high-resolution mass spectrometry (HRMS) being subject to stakeholder differences of opinion. Herein, recent reviews of honey adulteration and the techniques to detect it are summarised in the light of which analytical reports are examined that underpinned a media article in late 2020 alleging foreign sugars in UK retailers’ own brand honeys. The requirement for multiple analytical techniques leads to complex reports from which it is difficult to draw an overarching and unequivocal authenticity opinion. Thus arose two questions. (1) Is it acceptable to report an adverse interpretation without exhibiting all the supporting data? (2) How may a valid overarching authenticity opinion be derived from a large partially conflicting dataset?
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Thiamethoxam (TMX) is one of the most widely used neonicotinoid insecticides. However, it is unclear how TMX alters the flower-visiting behavior and seed production of Apis cerana in sunflowers. We conducted cage experiments to study the impact of chronic exposure (10 days) to TMX at sublethal concentrations of 2.4 μg/kg and 10 μg/kg on the number of flower visits per minute, seed setting percentage, 100-seed weight, and seed yield in sunflowers. Bees treated with TMX demonstrated a significantly lower number of flower visits per minute compared with the control group. Although we did not observe a significant difference in yield parameters between TMX treatments and the control group, a positive correlation was observed between yield and the bees’ flower visitation rate. Our study highlights the concern that exposure to field-level concentrations of TMX could pose a threat to the pollination services provided by A. cerana for other crops and wildflowers.
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Purpose The effects of country-of-origin (COO) cues on product evaluations are well documented. However, research on the relative effects of COO compared to other geographical indicators, such as region-of-origin (ROO), on food purchases is still limited. This study investigates how geographical origin labels influence consumers' perceptions of product value and authenticity of foreign food, as well as subsequent purchase intention (PI) and willingness to pay premium prices (WTPPP). The moderating role of health consciousness on these relationships is also examined due to the coronavirus disease 2019 (COVID-19) pandemic. Design/methodology/approach This study uses a between-subjects experimental design conducted with 300 middle- and high-income Chinese consumers aged between 25 and 50 years. Hypotheses were tested using structural equation modelling. Findings Whilst under both COO and ROO cues, all five product values positively influenced consumers' WTPPP, only functional, economic and novelty values influenced PI. The ROO cue performed significantly better than the COO cue in eliciting functional, economic and novelty value perceptions, which triggered stronger PI and willingness to pay a premium price. These relationships were mediated by product authenticity (PA) and moderated by consumers' health consciousness (HC). Practical implications Because food labels provide salient product information that facilitates consumers' evaluation of products, marketers should assess which product value perceptions they wish to enhance and then choose the appropriate geographical indicators for their labelling strategies. Originality/value This study identifies the effects of COO and ROO cues on product values, authenticity, PI and WTPPP. It also provides valuable insights into the role of HC on consumers' purchase decisions, which also aids in understanding the impact of global crises on food purchases.
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Pesticides cause risks in the environment for Asian honey bees ( Apis cerana ). Imidacloprid (I), chlorpyrifos (C) and glyphosate (G) are among the most-widely used pesticides in the world. It is not clear on how these pesticides and combination of them affect the flight ability of A. cerana . Here we utilized flight mills to show new results that acute treatment of individual pesticides, such as 0.2 ng/bees imidacloprid (20 μL, 10 ng/g), 0.6 ng/bees chlorpyrifos (20 μL, 30 ng/g) and 1.2 ng/bees glyphosate (20 μL, 60 ng/g), had no effect on the flight ability of bees. However, forager bees showed a significantly decrease in the flying duration and flying distance when oral exposed to two or three these pesticides. This evidence indicated that two or three pesticides can produce synergistic changes in the flight ability and behavior of honeybees. Results showed a light on new understandings of complex effects and potential risks of these three pesticide on bee behavior including homing ability and food-collecting ability. Our results are key information to understand new synergistic potential among pesticide formulations and how they impair bee behavior. Table of Contents Graphic
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We have previously reported the artificial creation of stable multiple queen honey bee colonies in China. Here we describe, based on our experience and primary research, the techniques necessary to successfully maintain multiple queen colonies and how they can be used commercially. Special care including the provision of sufficient food, avoiding robbing and drifting, destroying newly built queen cells, and abandoning foragers before migration, are necessary for keeping sustainable multiple queen colonies. In practice, these colonies are used as supporting units for the faster build-up of productive colonies and for the production of royal jelly.
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and have an indispensable role in pollination for agricultural and natural eco-systems (Morse and Calderone, 2000). A large colony population is necessary for a high yield of hive products (Chen, 2001). Because of this, for many decades attempts in Introduction The western (Apis mellifera) and the eastern (Apis cerana) honey bee are rare cases of insects that have been successfully domesticated. Honey bees play an important economic role as a producer of honey, royal jelly, beeswax and propolis, which have been proven to have a Summary Honey bee multiple queen colonies composed of several mated queens able to move around freely were produced by modulating biological factors that evoke fighting and queen elimination within the colony, mainly by ablating mandibles of queens to avoid inter-queen rivalry. Following this method, 128 colonies in eighteen apiaries were set up with multiple queens, all of which were mated and 6-12 months old. One hundred of the colonies (78.1%) retained all introduced queens. In total, 658 out of 733 queens (89.8%) were accepted after their introduction. The majority of these colonies experienced no queen loss for two months and most were still stable after six months. Of 80
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The main plant origins of propolis are the populus species and their hybrids, both located in China. Poplar tree gum, the extract of populus buds, has been widely used as counterfeit propolis, but no efficient method was known for detecting the counterfeit. Salicin is a characteristic marker of the genus populus, which may be hydrolysed by β-glucosidase during propolis collection and processing. A simple, sensitive and specific reversed-phase high-performance liquid chromatography (RP-HPLC) method was developed and validated for the rapid assay of salicin, which was aimed at distinguishing poplar tree gum from propolis. Isocratic elution at a flow rate of 1.0mL/min was employed on a Sepax HP-C18 column (150×4.6mm, 5μm) and the column temperature was 30°C. The mobile phase consisted of acetonitrile and 0.5% aqueous phosphoric acid (5:95, v/v). The UV detection wavelength was 213nm. Following this method, salicin was detected in populus buds and leaves and 11 poplar tree gum samples, but not in any of the 40 propolis samples, which indicates that salicin was hydrolysed in propolis collection and processing but was stable in the production process of poplar tree gum. The proposed method could be an effective technique for routine analysis of salicin and monitoring the quality of propolis as possible counterfeit poplar tree gum.
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