<%BANNER%>

UFIR IFAS



Diseases Of Poultry
http://edis.ifas.ufl.edu/ ( Publisher's URL )
CITATION PDF VIEWER
Full Citation
STANDARD VIEW MARC VIEW
Permanent Link: http://ufdc.ufl.edu/IR00001476/00001
 Material Information
Title: Diseases Of Poultry
Physical Description: Fact sheet
Creator: Butcher, Gary D.
Publisher: University of Florida Cooperative Extension Service, Institute of Food and Agriculture Sciences, EDIS
Place of Publication: Gainesville, Fla.
Publication Date: 1992
 Notes
Acquisition: Collected for University of Florida's Institutional Repository by the UFIR Self-Submittal tool. Submitted by Melanie Mercer.
Publication Status: Published
General Note: "was published June 1992"
General Note: "PS-5"
 Record Information
Source Institution: University of Florida Institutional Repository
Holding Location: University of Florida
Rights Management: All rights reserved by the submitter.
System ID: IR00001476:00001

Downloads

This item is only available as the following downloads:

AA07700 ( PDF )


Full Text

PAGE 1

DiseasesofPoultry1 TheInstituteofFoodandAgriculturalSciencesisanEqualOpportunity/AffirmativeActionEmployerauthorizedtoprovideresearch,educational informationandotherservicesonlytoindividualsandinstitutionsthatfunctionwithoutregardtorace,color,sex,ornationalorigin. FloridaCooperativeExtensionService/InstituteofFoodandAgriculturalSciences/UniversityofFlorida/JohnT.Woeste,DeanGaryD.Butcher2Poultrydiagnosticlaboratoriesarelocated throughoutFloridatoassistinthediagnosisof poultrydiseases(see"AGuidetoCommercialPoultry ProductioninFlorida").Abriefdescriptionofthe morecommondiseasesisprovidedtofamiliarize countyExtensionpersonnelwiththesediseases.BLACKHEADCause: Aprotozoanparasite.Chieflyadiseaseof turkeysbutitalsocanbeaprobleminchickens, seafowls,quails,andotherbirds. Symptoms: Generalweakness,unthriftiness,sulfurcoloreddroppings.Characteristiclesionsare round,yellowulcer-likedepressedareasonthe liverandenlarged,thickened,anddistended ulceratedcecafilledwithathickcheesymass. Mortalitymaybehigh. Treatment: Ipropraninfeed. Control: Goodmanagementandsanitation.Keep turkeysawayfromchickens.CHICKENPOXORFOWLPOX(SOREHEAD)Cause: Avirus. Transmission: Mosquitoesareconsideredan importantmeansoftransmission. Lesions: Wart-likenodulescoveredwithbrownscabs onthebarepartsofthehead,feetandaround thevent.Yellowishcheese-likeareasmayoccur ontheinsideofthemouth. Treatment: None. Control: Allbirdsintendedforlayingpurposes shouldbevaccinated.Birdswhoseresistancehas beenweakenedthroughanyconditionordisease shouldnotbevaccinateduntiltheyarehealthy.MYCOPLASMOSIS(MGCOMPLEX)Cause: Stressfactors,mycoplasmagallisepticum,and bacteria.Eggtransmitted. Symptoms: Mildrespiratorydistress,sniffing, sneezing.Cloudyairsacs.Lesionintrachea, bronchi. Treatment: Tylosinphosphateandhighlevelsof certainotherantibioticsinfeedorwater. Prevention: BuyMycoplasmagallisepticumfree hatchingeggsorchicksandpreventcontactwith infectedchickens.COCCIDIOSISCause: Aprotozoanparasite,coccidisinfectthe intestineandcecaorblindpouches.Several speciesarerecognizedandaresitespecificwithin theintestine.Spreadincontaminatedfeedand water,byintroducinginfectedchickenstothe flock,bypeopleorcontaminatedequipment introducingtheorganism.Coccidiamust sporulatetobecomeinfective.Underoptimum conditionsofmoisture,temperatureandoxygen theysporulateandbecomeinfectiveforthenext chicken. Symptoms: Themainsymptomofcoccidiosisis diarrhea.Acuteintestinalcoccidiosisresultsin unthriftiness,diarrheaandconsiderablemortality. Inchroniccoccidiosis,nutritionaldeficienciesand secondaryconditionsoftendevelop. Treatment: Manydrugsareavailable. Control: Useofacoccidiostatinthefeed.Good managementandsanitation.Raisingandgrowing chickensonwire. 1.ThisdocumentwaspublishedJune1992asPublicationNumberPS-5,FloridaCooperativeExtensionService.Formoreinformation,contact yourcountyCooperativeExtensionServiceoffice. 2.DVM,PhD,PoultryVeterinarian,CollegeofVeterinarianMedicine,InstituteofFoodandAgriculturalSciences,UniversityofFlorida, Gainesville.

PAGE 2

DiseasesofPoultry Page2CORYZACause: Simplecoryza,thecommoncold,isusually causedbyimpropermanagementinwhichbirds aresubjectedtoundueexposure.Infectious coryzaiscausedbyaspecificmicroorganismand itsseverityisincreasedinbirdssubjectedto resistanceloweringfactors. Symptoms: Respiratorydistressaccompaniedby wateryandswolleneyesandunthriftycondition. Treatment: Simplecoryzarespondstocorrectionof undueexposure.Antibioticsarebeneficial. Infectiouscoryzasometimesrespondsto erthyromycin,streptomycinandsulfonamidesif treatedearly. Control: Depopulationoffarmsandstartingwith cleanchicks.Considervaccinationifexposure riskishigh.EPIDEMICTREMORCause: Avirus. Symptoms: Adiseaseaffectingchickensclinically under6weeksofage.Incoordinationofgait, staggering,fallingtooneside,occasionaltremors ofthehead.Excitementintensifiessymptoms. TreatmentandControl: Notreatmentexcept isolationofaffectedbirds.Vaccinatebreeder flockstoprovideimmunitytochicks.FATTYLIVERSYNDROMECause: Unknown. Symptoms: Occursafterlayersreachpeak production.Mortalityishigh.Massivefatdeposits arefoundamongintestines,gizzard,andkidneys, andthelivershowsextremeinfiltrationoffat. Hemorrhagesbeneaththelivercapsuleorinbody cavity. Treatment: Treatmentwithhighlevelsofvitamins hasbeenusedwithvaryingsuccess. Prevention: Sincecauseisunknownthereisno knownpreventionexceptgoodmanagementand eliminatestresses.FOWLCHOLERACause: Abacterialorganism, PasturellaMultocida. Symptoms: Suddendeath,greenishdiarrhea,high temperature,combandwattlepurple.Also swollenwattle.Achronicformofthedisease existsinwhichlesionslocalizeinajoint,wattle, infraohits(AuthorNote) ,sinusesorothertissue. Treatment: Manydrugsareavailable. Control: Improvesanitation.Depopulateanduse oneagebirdonfarms.Bacterinsmaybeusedto aidprevention.INFECTIOUSBRONCHITISCause: Avirus. Symptoms: Respiratorydistress,sneezingand rattling.Inlayingbirds,adropineggproduction, misshapenedeggswithlowquality.Somestrains ofthevirusmaycauseseverekidneydamage. Treatment: None. Control: Vaccination.LYMPHOIDLEUCOSISCause: Avirusoftheleukosis-sarcomacomplex. Occursmainlyinlayinghensbetween4and10 monthsofage. Symptoms: TumorsinthebursaofFabriciuswith spreadtomanyotherinternalorgans,especially theliver,spleenandkidney. Treatment: None. Control: Developmentofresistantstrainsofchickens bypoultrygeneticists.MAREK'SDISEASECause: Aherpes-virus.Occursmainlyinchickens under16weeksofage. Symptoms: Legandor/wingparalysis,highmortality, tumorsonvisceralorgans. Treatment: None. Control: Vaccinationofchicksatonedayofage.NEWCASTLEDISEASECause: Avirus. Symptoms: Respiratorydistress,andgasping followedin1or2daysbyaparalysisoflegsand wingsandheaddownbetweenlegsorstraight backovershoulders,twistingofneck(stargazing). Inadultbirds,lossofproductionalongwithsome respiratorydistressandparalysisafter4to6days. Treatment: None. Control: Vaccination.

PAGE 3

DiseasesofPoultry Page3AVIANINFLUENZACause: Avirus.Highlyinfectious,severityvaries. Symptoms: Suddendeathiscommon.Clinicalsigns includesuddendropineggproduction, depression,lossofappetite,bluecombsand wattles,diarrhea,blood-tingeddischargefrom nostrils. Treatment: None. Control: Monitoring,strictquarantineandrapid destructionofallinfectedflocks.Poultry producersshouldpracticestrictmanagement control.