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Newcastle Disease Index of Bird Diseases ... Symptoms and Potential Causes ... Bird Species and Diseases They are Most Susceptible to Newcastle Disease is caused by a virus. The first symptoms usually consists of respiratory distress and rasping followed in 1 or 2 days by a paralysis of legs and wings and bad down between legs or straight back over shoulders. A twisting of the neck (stargazing may also be observed. In adult birds, loss of production along with some respiratory distress and paralysis after 4 to 6 days. Hosts Many species of birds, both domestic and wild Chickens are the most susceptible poultry, ducks and geese are the least susceptible poultry A carrier state may exist in psittacine and some other wild birds Transmission Direct contact with secretions, especially faeces, from infected birds Contaminated feed, water, implements, premises, human clothing, etc. The mortality and morbidity rates vary among species, and with the strain of virus Incubation period is 46 days Sources of virus Respiratory discharge, feces Carcasses Virus is shed during the incubation period and for a limited period during convalescence Some psittacine birds have been demonstrated to shed the virus intermittently for over 1 year Occurrence Endemic in many countries. Some European countries have been free of the disease for years Symptoms / Diagnosis Respiratory and/or nervous signs: gasping and coughing drooping wings, dragging legs, twisting of the head and neck, circling, depression, inappetence, complete paralysis Partial or complete cessation of egg production Eggs are misshapen, roughshelled, thinshelled and contain watery albumen Greenish watery diarrhea Swelling of the tissues around the eyes and in the neck Morbidity and mortality depend on virulence of the virus strain, degree of vaccinal immunity, environmental conditions, and condition of the flock PREVENTION AND CONTROL There is currently no treatment. Procedures to control the disease: Strict isolation of outbreaks Destruction of all infected and exposed birds Thorough cleaning and disinfection of premises Proper carcass disposal Pest control in flocks Depopulation followed by 21 days before restocking Avoidance of contact with birds of unknown health status Control of human traffic. One age group per farm ('all inall out') breeding is recommended Vaccination with live and/or oil emulsion vaccines Relevant Websites: Newcastle Disease Avian Biotech ... Electronic Discussion on Newcastle Disease in Migratory Birds and the Criteria for Newcastle Disease Diagnosis Information contained on this website is provided as general reference only. For application to specific circumstances, professional advice should be sought. BeautyOfBirds strives to maintain accurate and uptodate information; however, mistakes do happen. If you would like to correct or update any of the information, please send us an email . THANK YOU! More Bird Videos Online Guide to Bird ID in North America What birds are found in your area? (Click on link, choose your location then click on "Selected Birds" [highlighted in red on top] to view birds found in your area.) What birds behave how? ... What birds eat what ? ... Which birds make what sound? The Smart “Rescue and War” Pigeons The Heroes that Were Pigeons ... Read More Crows: The birds that go fishing with breadcrumbs! Throughout history, Crows, Ravens and other black birds were feared as symbols of evil or death... Read More Resplendent Quetzals The Rare Jewel Birds of the World These splendidly plumaged birds are found in certain areas of Southern Mexico and Central... Read More Birds that hibernate … It has already been recorded that the Common Poorwills can enter extended... Read More The Smallest Bird on Earth Weighs Less than a Penny! Smallest Bird in Existence: Which is it: the Bee or the Bumble Bee... Read More Did You Know? Become an Angel Investor Startups need more than funding they need mentoring & patronage REGISTER Home Wild Birds Parrots / Pet Birds Media Forum Products Contact Us My Account

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  • 11/03/2015 NewcastleDisease:Causes,SymptomsandTreatment

    http://beautyofbirds.com/newcastledisease.html 1/2

    Wednesday,Mar11,2015

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    NewcastleDisease

    IndexofBirdDiseases...SymptomsandPotentialCauses...BirdSpeciesandDiseasesTheyareMostSusceptibleto

    NewcastleDiseaseiscausedbyavirus.Thefirstsymptomsusuallyconsistsofrespiratorydistressandraspingfollowedin1or2daysbyaparalysisoflegsandwingsandbaddownbetweenlegsorstraightbackovershoulders.Atwistingoftheneck(stargazingmayalsobeobserved.

    Inadultbirds,lossofproductionalongwithsomerespiratorydistressandparalysisafter4to6days.

    Hosts

    Manyspeciesofbirds,bothdomesticandwildChickensarethemostsusceptiblepoultry,ducksandgeesearetheleastsusceptiblepoultryAcarrierstatemayexistinpsittacineandsomeotherwildbirds

    Transmission

    Directcontactwithsecretions,especiallyfaeces,frominfectedbirdsContaminatedfeed,water,implements,premises,humanclothing,etc.Themortalityandmorbidityratesvaryamongspecies,andwiththestrainofvirusIncubationperiodis46days

    Sourcesofvirus

    Respiratorydischarge,fecesCarcassesVirusisshedduringtheincubationperiodandforalimitedperiodduringconvalescenceSomepsittacinebirdshavebeendemonstratedtoshedthevirusintermittentlyforover1year

    Occurrence

    Endemicinmanycountries.SomeEuropeancountrieshavebeenfreeofthediseaseforyears

    Symptoms/Diagnosis

    Respiratoryand/ornervoussigns:

    gaspingandcoughingdroopingwings,dragginglegs,twistingoftheheadandneck,circling,depression,inappetence,completeparalysis

    PartialorcompletecessationofeggproductionEggsaremisshapen,roughshelled,thinshelledandcontainwateryalbumenGreenishwaterydiarrheaSwellingofthetissuesaroundtheeyesandintheneckMorbidityandmortalitydependonvirulenceofthevirusstrain,degreeofvaccinalimmunity,environmentalconditions,andconditionoftheflock

    PREVENTIONANDCONTROL

    Thereiscurrentlynotreatment.

    Procedurestocontrolthedisease:

    StrictisolationofoutbreaksDestructionofallinfectedandexposedbirdsThoroughcleaninganddisinfectionofpremisesPropercarcassdisposalPestcontrolinflocksDepopulationfollowedby21daysbeforerestockingAvoidanceofcontactwithbirdsofunknownhealthstatusControlofhumantraffic.Oneagegroupperfarm('allinallout')breedingisrecommendedVaccinationwithliveand/oroilemulsionvaccines

    RelevantWebsites:NewcastleDiseaseAvianBiotech...ElectronicDiscussiononNewcastleDiseaseinMigratoryBirdsandtheCriteriaforNewcastleDiseaseDiagnosis

    Informationcontainedonthiswebsiteisprovidedasgeneralreferenceonly.Forapplicationtospecificcircumstances,professionaladviceshouldbesought.

    BeautyOfBirdsstrivestomaintainaccurateanduptodateinformationhowever,mistakesdohappen.Ifyouwouldliketocorrectorupdateanyoftheinformation,pleasesendusanemail.THANKYOU!MoreBirdVideos

    OnlineGuidetoBirdIDinNorthAmerica

    Whatbirdsarefoundinyourarea?(Clickonlink,chooseyourlocationthenclickon"SelectedBirds"[highlightedinredontop]toviewbirdsfoundinyourarea.)

    Whatbirdsbehavehow?...Whatbirdseatwhat?...Whichbirdsmakewhatsound?

    TheSmartRescueandWarPigeons

    TheHeroesthatWerePigeons...ReadMore

    Crows:Thebirdsthatgofishingwithbreadcrumbs!Throughouthistory,Crows,Ravensandotherblackbirdswerefearedassymbolsofevilordeath...ReadMore

    ResplendentQuetzalsTheRareJewelBirdsoftheWorldThesesplendidlyplumagedbirdsarefoundincertainareasofSouthernMexicoandCentral...ReadMore

    BirdsthathibernateIthasalreadybeenrecordedthattheCommonPoorwillscanenterextended...ReadMore

    TheSmallestBirdonEarthWeighsLessthanaPenny!SmallestBirdinExistence:Whichisit:theBeeortheBumbleBee...ReadMore

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    Startupsneedmorethanfundingtheyneedmentoring&

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