NEWCASTLE DISEASE (ND)
A HIGHLY CONTAGIOUS RAPIDLY SPREADING FATAL DISEASE OF POULTRY CAUSED BY PARAMYXOVIRUSES AND CHARACTERIZES BY RESPIRATORY, DIGESTIVE AND NERVOUS SYMPTOMS, HIGH MORTALITY, HAEMORRHAGES.HAEMORRHAGES.
FAMILY: PARAMYXOVIRIDAE
GENUS: PARAMYXOVIRUS TYPE 1
RNA VIRUS, ENVELOPED, DESTROYED BY VARIOUS PHYSICAL & CHEMICAL TREATMENT.
HORIZONTAL TRANSMISSION
BETWEEN FLOCKS, WILD BIRDS, POULTRY PRODUCTS, CONTAMINATIONS OF VACCINE.
RESPIRATORY SIGNS, NERVOUS SIGNS, ENTERIC SIGNS.
THUS THIS DISEASE LEADS TO HIGH MORTALITY IN FLOCK.
PARALYSIS IN BACKYARD POULTRY
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PARALYSIS OF WINGS AND LEGS IN
BROILER AT 32 DAYS MOSTLY AND IN
BACKYARD POULTRY
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STICKY NOSE CCUR IN BROILER
STRAW COLOUR SECRETIONS FROM THE NOSE
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MAJOR SYMPTOMS OF ND IS
GREENISH WHITE MUCOID DIARRHOEA
GREEN STAINING OF FEATHERS AROUND THE
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VENT SEE HERE IN BROILER AND LAYER
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THE DRAWN OF HEAD AND NECK TOWARD
BACK
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LOSS OF SHELL COLOUR
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MISSHAPEN EGGS OCCUR IN THIS
SMALL AND SOFT SHELLED EGGS
SOME EGGS HAVE CALCAREOUS DEPOSIT
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FEVER TYPE APPEARANCE IN THE
CARCASS
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THICK MUCUS SECRETION ACCUMULATES IN THE MOUTH AND IN THE NASAL AREA
SHOWN IN YOUNG MALE AND BROILER
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TRACHEITIS: HAEMORRHAGES IN TRACHEA
CAUSE REDNESS
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MILD TO SEVERE
FOAMY APPEARANCE OF AIR SACS
(SEROUS AIRSACCULITIS) VARY FROM
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IN PROVENTRICULUS HAEMORRHAGES
OCCURS WHICH IS AN OUTSTANDING
FEATURE
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BLUISH RED AREAS OCCUR IN THE
INTESTINE ARE HIGHLY SUGGESTIVE
TO ND
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TONSILS IN CAECAL ARE ENLARGED
AND HAEMORRHAGIC
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INFLAMMATION AND LYSIS OCCUR IN
OVARIAN FOLLICLES
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HAEMAGGLUTINATIONNEWCASTLE DISEASENEWCASTLE DISEASE TEAT IS USED TO
ISOLATE ND VIRUS
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