Clinical Signs
Gross Lesions
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Clinical Sign:
Tissue:
Etiology:
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DESCRIPTION
DISEASE PROFILE
DIFFERENTIALS
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- abnormal color: spleen
- abnormal fecal color
- abnormal iris pigmentation
- abnormal pupillary shape
- ataxia
- atherosclerosis: vessels
- atrophy: thymus gland
- brain
- bursa of Fabricius
- caseous exudate: air sacs
- caseous exudate: bronchi
- caseous exudate: feet
- caseous exudate: hock joint
- caseous exudate: infraorbital sinus
- caseous exudate: skull bones
- caseous exudate: syrinx
- caseous exudate: trachea
- cataract
- catarrhal exudate: conjunctiva
- catarrhal exudate: trachea
- catarrhal lesions: trachea
- cecal tonsil
- cloaca
- coelomic cavity
- congestion: conjunctiva
- congestion: embryo
- congestion: intestines
- congestion: kidneys
- congestion: liver
- congestion: lungs
- congestion: ovary
- congestion: skin
- congestion: spleen
- congestion: trachea
- conjunctiva
- conjunctivitis
- corneal opacity
- coughing
- crop
- crusts, skin
- cyanosis: skin
- decreased egg production
- defective egg shell
- degeneration: gizzard
- degeneration: proventriculus
- dehydration
- diarrhea
- diffuse hemorrhages: skin
- diptheritic membranes: trachea
- diptheritic nodules: esophagus
- diptheritic nodules: oropharynx
- discharge: nares
- discharge: ocular
- dyspnea
- ecchymoses: skin
- edema: bursa of fabricius
- edema: cecal tonsil
- edema: cerebellum
- edema: conjunctiva
- edema: kidneys
- edema: lungs
- edema: pectoral muscles
- edema: proventriculus
- edema: skin
- edema: subcutaneous
- edema: trachea
- egg-yolk peritonitis: coelomic cavity
- embryo
- enlarged feather follicles: skin
- enlargement: heart
- enlargement: kidneys
- enlargement: liver
- enlargement: pancreas
- enlargement: spinal cord
- enlargement: spleen
- enlargement: testes
- enlargements: peripheral nerves
- epidermal hyperplasia: skin
- erosions: crop
- erosions: esophagus
- erosions: gizzard
- expectoration
- face
- feet
- fever
- fibrin accumulation: heart
- fibrin: air sacs
- fibrin: cecal tonsil
- fibrin: cloaca
- fibrin: intestines
- fibrino-necrotic lesion: conjunctiva
- fibrinous air sacs: embryo
- fibrinous exudate: coelomic cavity
- fibrinous exudate: keel
- fibrinous exudate: lungs
- fibrinous pericarditis: heart
- fibrinous perihepatitis: embryo
- fibrinous perihepatitis: liver
- firm swelling: subcutaneous
- foamy exudate: air sacs
- focal infiltration: bursa of Fabricius
- follicular atresia: ovary
- free blood in lumen: intestines
- friable: liver
- generalized depression
- gizzard (ventriculus)
- heart
- hemorrhage: embryo
- hemorrhages: bursa of Fabricius
- hemorrhages: cecal tonsil
- hemorrhages: cerebellum
- hemorrhages: cloaca
- hemorrhages: conjunctiva
- hemorrhages: crop
- hemorrhages: gizzard
- hemorrhages: heart
- hemorrhages: infraorbital sinus
- hemorrhages: intestines
- hemorrhages: kidneys
- hemorrhages: larynx
- hemorrhages: liver
- hemorrhages: lungs
- hemorrhages: ovary
- hemorrhages: pancreas
- hemorrhages: pectoral muscles
- hemorrhages: proventriculus
- hemorrhages: rectum
- hemorrhages: skin
- hemorrhages: subcutaneous
- hemorrhages: thymus gland
- hemorrhages: trachea
- hemorrhagic exudate: trachea
- hepatitis: embryo
- herniation: cerebellum
- hock-sitting
- hyperemia: skin
- hypopyon of anterior chamber
- inability to walk
- increased flock mortality
- increased vascularization: air sacs
- inflammation: cloaca
- infraorbital sinuses
- intertarsal joint (hock)
- intestines
- involution: ovary
- keel
- kidneys
- lacrimation
- leg
- liver
- lungs
- malacia: brain
- mild inflammation: air sacs
- miosis
- mucoid exudate: trachea
- mucus: nasal cavity
- muscular dystrophy: embryo
- nasal cavity
- necrosis: cecal tonsil
- necrosis: gizzard
- necrosis: intestines
- necrosis: proventriculus
- necrosis: skin
- necrosis: spleen
- nodule: gizzard
- nodules with scabs, wattles
- nodules with scabs: comb
- nodules with scabs: dorsal back
- nodules with scabs: head
- nodules with scabs: legs
- nodules: intestines
- nodules: ovary
- nodules: skin
- opaque plaques: embryo
- opisthotonus
- ovary
- pale areas in muscle
- pale areas in muscle wall: gizzard
- pale areas in muscle wall: heart
- pale areas in muscle wall: proventriculus
- pale areas in muscle: legs
- pale areas in muscle: wing
- pale discoloration: kidneys
- pale discoloration: liver
- pancreas
- papules: skin
- paralysis: legs
- paralysis: whole body
- paraparesis
- pectoral muscles
- peracute death
- perching reflex
- petechiae: coelomic cavity
- petechiae: heart
- petechiae: intestines
- phlebitis: wing vein
- pneumonia: lungs
- premature atrophy: bursa of Fabricius
- proliferative nodules: embryo
- prostration
- proventriculus
- rales
- rectum
- roughened lining: gizzard
- ruffled feathers
- skin/integumentary signs
- skull
- sneezing
- soiling of the vent
- spleen
- sternal bursae
- stunting: embryo
- subcutaneous edema: hock joint
- subcutaneous edema: keel
- subcutaneous hemorrhages: keel
- subcutaneous tissue
- sudden death
- suppurative exudate: conjunctiva
- suppurative exudate: infraorbital sinus
- swelling: comb
- swelling: ear
- swelling: eyelid
- swelling: face
- swelling: infraorbital sinus
- swelling: periorbital
- swelling: sternal bursae
- swelling: wattles
- tetraparesis
- thin albumen
- thin egg shell
- thymus gland
- torticollis
- Trachea
- ulcer: cloaca
- ulcer: skin
- ulcerated nodules: comb
- ulcers: cecal tonsil
- ulcers: intestines
- urate retention: kidneys
- vaccine "take": skin
- vent edema and congestion
- ventral edema: subcutaneous
- vesicles: skin
- visceral gout: heart
- visceral gout: liver
- weight loss
- welts: skin
- white focal lesions: liver
- white infiltrates: intestines
- white infiltrates: kidneys
- white infiltrates: lungs
- white infiltrates: oropharynx
- white infiltrates: pancreas
- white infiltrates: pectoral muscles
- white infiltrates: peripheral nerves
- white infiltrates: proventriculus
- white infiltrates: spleen
- white neoplastic infiltrates: heart
- white or yellow lesions: brain
- wing muscles
- yellow discoloration, peripheral nerves
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