Seasonal Prevalence of Helminth Parasites in Goats (

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    easona reva ence oeasona reva ence oHelminth Parasites inHelminth Parasites inGoats (Goats (Capra HircusCapra Hircus))

    in Kalanki (Khasibazzar),in Kalanki (Khasibazzar),

    Kathmandu 2065Kathmandu 2065--20662066

    Dr.Kedar Karki Senior VeterinaryDr.Kedar Karki Senior VeterinaryOfficer Parasitology UnitOfficer Parasitology Unit

    Central Veterinary LaboratoryCentral Veterinary Laboratory

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    BackgroundBackground

    TheThe presentpresent studystudy waswas carriedcarried outout ininParasito logyParasi to logy Unit Uni t Centra lCentral Veter inaryVeterinary

    LaboratoryLaboratory toto determinedetermine thethe seasonalseasonalprevalenceprevalence ofof intestinalintestinal helmintheshelminthes parasitesparasiteso fo f g o a t sg o a t s ..

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    BackgroundBackground

    ToTo identifyidentify thethe statusstatus ofof helminthhelminth infestationinfestation ininmarketablemarketable goatsgoats aa investigationinvestigation waswas carriedcarried outoutinin December,December, January,January, May,May, JuneJune andand JulyJuly.. AsAs

    marketmarket isis thethe bestbest placeplace toto findfind thethe parasitesparasites fromfromdifferentdifferent partsparts ofof thethe regionregion.. InIn kathmandu,kathmandu,kalankikalanki khasibazzarkhasibazzar isis thethe majormajor sitesite forfor goatgoattradingtrading.. ItIt providesprovides tradingtrading spotspot toto allall traderstradersthroughoutthroughout thethe countrycountry andand itit receivesreceives goatsgoats fromfroma l la l l m a j o rm a j o r p r o d u c i n gp r o d u c i n g a r e a sa r e a s o f o f N e p a lN e p a l ..

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    BackgroundBackground

    InIn thethe studystudy 100100 samplessamples werewere collectedcollected ininwinterwinter monthsmonths (December(December andand January)January) andand124124 samplessamples werewere collectedcollected inin summersummer

    monthsmonths (May,(May, JuneJune andand July)July).. OutOut ofof 100100samplessamples collectedcollected inin winter,winter, 4646%% samplessampleswerewere foundfound positivepositive forfor helminthshelminths andand outout ofof124124 samplessamples collectedcollected inin summer,summer, 9090..33%%samplessamples werewere foundfound positivepositive forfor helminthhelminthpa ras i t epa r a s i t e a sa s s h o w nsh o w n i ni n t a b l et ab l e b e l owbe l ow

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    Observed genera of different classes with prevalenceObserved genera of different classes with prevalencepercentagepercentage

    S.NS.N ClassClass Genera of Genera ofHelminthHelminth

    PercentagePercentage

    11 TrematodaTrematoda DicrocoeliumDicrocoelium 2.532.53

    22 FasciolaFasciola 12.6512.6533 SchistsomaSchistsoma 5.065.06

    44 CestodaCestoda MonieziaMoniezia 24.0524.05

    55 TaeniaTaenia 22.7822.78

    66N

    ematodaN

    ematodaAncylostoma

    Ancylostoma

    1.261.26

    77 AscarisAscaris 7.597.59

    88 BunostomumBunostomum 2.532.53

    88 CapillariaCapillaria 6.326.32

    99 ChabertiaChabertia 32.9132.91

    1010 DiactophymaDiactophyma 1.261.26

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    1111 DictyocaulDictyocaul

    usus

    35.4435.44

    1212 GnathostoGnathostomama

    7.597.59

    1313 HaemonchHaemonchusus

    17.7217.72

    1414 NecatorNecator 1.261.26

    1515 OesophagoOesophagostomumstomum

    36.7036.70

    1616 OstertagiaOstertagia 12.6412.64

    17

    17 Ox

    yurisOx

    yuris5.065.06

    1818 StrongyloiStrongyloidesdes

    26.5826.58

    1919 TrichostroTrichostrongylusngylus

    5.065.06

    2020 TrichurisTrichuris 6.326.32

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    Prevalence of nematodes duringPrevalence of nematodes duringwinterwinter

    S.NS.N NematodeNematode

    generagenera

    During winterDuring winter PrevalencePrevalence

    11 OesophagostomuOesophagostomu

    mm

    1414 14%14%

    22 ChabertiaChabertia 1010 10%10%

    33 HaemonchusHaemonchus 1010 10%10%

    44 StrongyloidesStrongyloides 66 6%6%

    55 AscarisAscaris 44 4%4%

    66 GnathostomaGnathostoma 44 4%4%

    77 CapillariaCapillaria 22 2%2%

    88 DiactophymaDiactophyma 22 2%2%

    99 DictyocaulusDictyocaulus 22 2%2%

    1010 TrichostrongylusTrichostrongylus 22 2%2%1111 TrichurisTrichuris 22 2%2%

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    Prevalence of nematodes duringPrevalence of nematodes duringsummersummer

    S.NS.N NematodeNematode

    generagenera

    During summerDuring summer PrevalencePrevalence

    11 DictyocaulusDictyocaulus 5454 43.54%43.54%

    22Oesophagostom

    Oesophagostomumum

    4444 35.48%35.48%

    33 ChabertiaChabertia 4242 33.87%33.87%

    44 StrongyloidesStrongyloides 3636 29.03%29.03%

    55Ostertagia

    Ostertagia

    2020 16.12%16.12%

    66 HaemonchusHaemonchus 1818 14.51%14.51%

    77 AscarisAscaris 88 6.45%6.45%

    88 CapillariaCapillaria 88 6.45%6.45%

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    99 GnathosGnathos

    tomatoma

    88 6.45%6.45%

    1010 OxyurisOxyuris 88 6.45%6.45%

    1111 TrichurisTrichuris 88 6.45%6.45%

    1212 TrichostrTrichostrongylusongylus

    66 4.83%4.83%

    13

    13 B

    unostoBunostomummum

    44 3.22%3.22%

    1414 AncylostAncylostomaoma

    22 1.61%1.61%

    1515 NecatorNecator 22 1.611.61

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    Result/DiscussionResult/Discussion

    TheThe seasonalseasonal prevalenceprevalence ofof trematodetrematodegeneragenera foundfound inin goatsgoats waswas DicrocoeliumDicrocoelium

    44%%//00..00%%,, Fasc io laFasc io la 66%%//1111..2929%% andandSchistosomaSchistosoma 00..00%%//66..4545%% duringduring winterwinter andands u m m e rs u m m e r r e s p e c t i v e l yr e s p e c t i v e l y ..

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    Result/DiscussionResult/Discussion

    Similarly,Similarly, thethe prevalenceprevalence raterate ofof cestodescestodesandand nematodesnematodes duringduring winterwinter andand summersummerwerewere recordedrecorded asas fo l lowsfol lows-- Moniez iaMoniez ia1616%%//66 .. 4545%%,, T aen i aTaen i a 1212%%//1919 .. 3535%%..

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    Result/DiscussionResult/Discussion

    Ancy los toma Ancy los toma 00 .. 00%%//11 .. 6161%%,, A s c a r i sAscar i s44%%//66..4545%%,, BunostomumBunostomum 00..00%%//33..2222%%,,C a p i l l a r i aC a p i l l a r i a 22 %% // 66 .. 4 54 5 %% ,, C h ab e r t i aC h a b e r t i a1010%%//3333..8787%%,, DiactophymaDiactophyma 22%%//00..00%%,,DictyocaulusDictyocaulus 22%%//4343..5454%%,, GnathostomaGnathostoma44 %% // 66 .. 4 54 5 %% ..

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    Result/DiscussionResult/Discussion

    H a e m o n c h u sH a e m o n c h u s 1 01 0 %% // 1 41 4 .. 5 15 1 %% ,,O e s o p h a g o s t o m u mO e s o p h a g o s t o m u m 1 41 4 %% //353 5 .. 4 84 8 %% ,,Oeste r tag iaOes te r tag ia 00 ..00%%//1616 ..1212%%,, Oxyu r i sOxyur i s00..00%%//66..4545%%,, StrongyloidsStrongyloids 66%%//2929..0303%%,,TrichostrongylusTrichostrongylus 22%%//44..8383%%,, TrichurisTrichuris22%%//66..4545%% andand NecatorNecator 00..00%%//11..6161%%..

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    Result/DiscussionResult/Discussion

    InIn overalloverall OesophagostomumOesophagostomum ((3636..77%%)) waswasthethe mostmost encounteredencountered speciesspecies followedfollowed bybyDictyocaulusDictyocaulus ((3535..4444%%)) andand ChabertiaChabertia((3232..9191%%)) andand amongamong thethe leastleast prevalenceprevalencespeciesspecies werewere Necator,Necator, Ancylostoma Ancylostoma andandD i a c t o p h y m aD i a c t o p h y m a (( 11 .. 2 62 6 %% )) ..

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    Result/DiscussionResult/Discussion

    TheThe presentpresent studystudy exhibitedexhibited 66..00%% andand1111..2929%% prevalenceprevalence raterate ofof fascioliasisfascioliasisduringduring winterwinter andand summersummer respectivelyrespectively.. TheTheincreaseincrease inin theirtheir prevalenceprevalence duringduring summersummermaymay bebe duedue toto increaseincrease inin humidityhumidity andandavailabil ityavailabil ity ofof favorablefavorable temperaturetemperature..