fowl cholera - diseases of poultry - the poultry site
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FOWL CHOLERATRANSCRIPT
11/03/2015 FOWL CHOLERA Diseases of Poultry The Poultry Site
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Bacterial DiseasesESCHERICHIA COLI INFECTIONSSALMONELLOSESPARATYPHOID INFECTIONSFOWL CHOLERARIEMERELLA ANATIPESTIFER INFECTIONSMYCOPLASMANECROTIC ENTERITISCHOLANGIOHEPATITIS IN BROILER CHICKENSGANGRENOUS DERMATITISBOTULISMAVIAN TUBERCULOSIS
Viral DiseasesVIRAL INCLUSION BODY HEPATITISHAEMORRHAGIC ENTERITIS OF TURKEYSEGG DROP SYNDROME 1976ADENOVIRUS GROUP I ASSOCIATED INFECTIONSINFECTIOUS BURSAL DISEASE (GUMBORO)INFECTIOUS BRONCHITIS (IB)LARYNGOTRACHEITISSWOLLEN HEAD SYNDROMEINFECTIOUS ENCEPHALOMYELITISNEWCASTLE DISEASEFOWL POXREOVIRUS INFECTIONS
Neoplastic Diseases in PoultryVIRUSINDUCED NEOPLASTIC DISEASES MAREK'S DISEASELYMPHOID LEUKOSISMYELOCYTOMATOSISERYTHROBLASTOSISADENOCARCINOMATOSIS
Parasitic DiseasesCOCCIDIOSISHISTOMONOSISASCARIDIOSISRAILLIETINOSISKNEMIDOKOPTOSIS
Mycoses and MycotoxicosesASPERGILLOSISASPERGILLUS GRANULOMATOUS DERMATITISAFLATOXICOSISCANDIDIASISFUSARIOTOXICOSES
Deficiency DiseasesVITAMIN B2 DEFICIENCYVITAMIN Bi DEFICIENCYVITAMIN E DEFICIENCYFATTY LIVER HAEMORRHAGIC SYNDROMESLIPPED TENDON (PEROSIS)
OtherPULMONARY HYPERTENSION (ASCITIS) SYNDROME IN BROILER CHICKENSAMYLOIDOSISDEEP PECTORAL MYOPATHYRUPTURE OF THE GASTROCNEMIUS TENDON IN BROILER BREEDERSCAGE LAYER FATIGUEDYSCHONDROPLASIATHYPERKERATOSISGOUT
FOWL CHOLERA
68. 69.. Fowl cholera is an infectious disease in domestic fowl, waterfowl and otheravian species. It is manifested either in acute septicaemic form with a high morbidityand death rates or as chronic local forms (independently or secondary to acute ones).Acute fowl cholera. The sudden and unexpected death could be the first sign of thedisease. In this form, the lesions are predominantly related to vascular injuries.
70. Commonly observed signs are anorexia, ruffled feathers, oral and nasal mucusdischarge, cyanosis and white or greenish watery mucoid diarrhoea. Frequently,subserous petechial or ecchymosed haemorrhages in the anterior part of the smallintestine, the gizzard or the abdominal fat are discovered.
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Diseases of PoultryBy Ivan Dinev, DVM, PhD
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HYPERANDROGENISM IN BROILER CHICKENSEFFECT OF STICKYWILLY (GALIUM APARINE) SEEDS ON HEALTHY STATUS AND PRODUCTION TRAITS INBROILER CHICKENSGIZZARD IMPACTION IN TURKEY POULTSROUND HEART IN TURKEYS (DILATED CARDIOMYOPATHY)ACUTE SELENIUM INTOXICATIONACUTE PROPANEBUTANE INTOXICATIONSPONTANEOUS RUPTURE OF THE CAUDIAL RENAL ARTERY IN TURKEYSSUBCUTANEOUS EMPHYSEMAGASTROINTESTINAL IMPACTIONMALFORMATIONS
71. 72. Congestion (overfilling of blood vessels with red blood cells) of the liver as aninitial manifestation of E. coli septicaemia in a broiler chicken. H/E, Bar = 40 µm.
73.In layers (commercial or breeders), acute oophorites with regressing follicles andconsequently, diffuse peritonites are commonly observed.
74. Chronic fowl cholera. It is characterized by local inflammations. The periorbitalsinuses are frequently affected by a serofibrinous inflammation.
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75. 76. 77. Another local form is the injury of wattles that are strongly distendedbecause of their filling with fibrinous caseous content. The flocks that recuperatedfrom fowl cholera continue to carry and shed Pasteurella multocida. The carriersstore the organism in nasal choanas and contaminate the forage, water and theenvironment with oral discharges. Wild birds and some mammals (swine) could alsocarry the agent and introduce it into poultry flocks. Cannibalism is an essential routeof spreading the infection.
78. In turkeys a common finding is the unilateral or bilateral croupouspleuropneumonia
79. the fibrinous caseous exuate accumilated in wattles sometimes leads togangrene of the covering skin.
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80. 81. possibly be spread from sinuses to adjacent airfilled skull bones withsubsequent necrosis and onset of neurological signs (opisthotonus and torticolis).The diagnosis is made on the basis of disease history, clinical signs, the lesions andthe results of bacteriological studies. Fowl cholera should be differentiated from acuteE. coli septicaemia, erysipeloid, fowl typhoid etc. The immunization of birds at theage of 8 12 weeks gives very promising results. Many antibiotics and sulfonamidescould lower death rate, but at discontinuation of the treatment, the disease couldrecur. Sulfonamides are appropriate for treatment, but they inhibit egglaying.
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