Petechial hemorrhages under pleural surface, local extensive acute hemorrhage and necrosis - pulmonary infarct
Actinobacillus pleuropneumonia
Cutaneous lesions
Multifocal severe acute cutaneous infarcts
Erysypelothrix rhusopathie
African Swine Fever (ASF) - Asfivirus; Family: Asfarviridae Splenomegaly, cutaneous erythema, renal petechial hemorrhages
Splenomegaly
ASF : diffuse infarct of the spleen
CSF : local hemorrhages on the spleen
Ddx : Circovirus, Salmonella cholerasuis, E. rhusopathie
African Swine Fever (ASF) - Asfivirus Family: Asfarviridae
Severe interstitial edema
Hydropericardium, hydrothorax, ascites
Petechial hemorrhages of the pericardium
Extensive petechial hemorrhages on the intestines
Porcine Circovirus type 2 (PCV2) Post-weaning multisystemic wasting syndrome (PMWS) –
jaundice,
cachexia,
growth retardation
Interstitial pneumonia,
lymphadenitis,
endometritis
Porcine Circovirus type 2 (PCV2) Porcine dermatitis and nephropathy syndrome (PDNS) – cutaneous vasculitis, granulomatous lymphadenitis, nephritis
Cutaneous vasculitis, especially in posterior region, occasionally on the head, ear margins
Histo : granulomatous lymphadenitis, interstitial granulomatous nephritis
Pig
Acute, diffuse, enteritis
E.coli
Acute, locally extensive necrohemorrhagic gastritis (gastric infarct), Salmonella spp.
Pig, colon, Swine dysentery ; Brachyspira spp. infection Diffuse, severe, acute, fibrinonecrotizing enteritis The necrotic areas are covered by a gray-yellow pseudomembrane (fibrin)
Hyperemic mucosa, covered with fibrin
Pig, cutaneous erythema, edema of eyelids, edema of mesocolon Edema disease E.coli, Shiga toxins
Pig, edema of mesocolon, gastric wall edema
Edema disease
E.coli, Shiga toxins
Pig, purulent exudate within peritoneum and pericardial sac, vegetative valvular endocarditis, myocardial infarcts Streptococcus suis
Pig, purulent exudate within peritoneum and pericardial sac, vegetative valvular endocarditis, myocardial infarcts
Streptococcus suis
Pig,
vegetative valvular endocarditis, myocardial infarcts
myocardial infarcts
Porcine respiratory disease complex
Acute necrotizing and fibrinous bronchopneumonia ; fibrinous pleuritis
Severe respiratory distress, cyanosis
Extensive production of fibrin = fibrinous pleuropneumonia
Acute necrotizing and fibrinous bronchopneumonia
Manheimia haemolytica
Porcine contagious pleuropnemonia
Actinobacillus pleuropnemoniae
Focal to locally extensive acute necrotizing and hemorrhagic pneumonia – diaphragmatic lobe ; fibrinous pleuritis
Large area of necrosis, hemorrhage
Local extensive pneumonia
Fibrinous material
On the cut section, looks like an infarct
Mycoplasma hyopneumoniae
Enzootic pneumonia Cranio-ventral consolidation and obstructive atelectasis due mucopurulent bronchitis and bronchiolitis
Pig, Mycoplasma hyopneumoniae Enzootic pneumonia Cranio-ventral consolidation and obstructive atelectasis due to purulent bronchitis and bronchiolitis
Pig, Mycoplasma hyopneumoniae
Enzootic pneumonia
Cranio-ventral consolidation and obstructive atelectasis due to purulent bronchitis and bronchiolitis
Pig, Mycoplasma hyopneumoniae Enzootic pneumonia
Pig, Bacterial polyserositis
Serofibrinous peritonitis
Mycoplasma spp, Haemophilus parasuis (Glasser’s disease)
Piglet, Bacterial polyarthritis - Purulent polyarthritis
E : Streptococcus suis
Histo : bacteria, free and phagocytosis
Piglet,
Bacterial polyarthritis
Purulent polyarthritis
Pigs Severe, multifocal cutaneous vasculitis and skin infarcts Swine Erysipelas/ Diamond skin disease Erysipelothrix rhusiopathiae Other lesions: endocarditis, polyarthritis, nephritis
Pigs
Severe, multifocal cutaneous vasculitis and skin infarcts
Swine Erysipelas/ Diamond skin disease
Erysipelothrix rhusiopathiae
Other lesions: endocarditis, polyarthritis, nephritis
Piglet, Greasy pig disease or exudative epidermitis Staphylococcus hyicus
Necrotising, exudative, purulent epidermitis
Ddx : zinc deficiency, mange
Piglet, Greasy pig disease or exudative epidermitis
Staphylococcus hyicus
Granulomatous pneumonia
Mycobacterium spp
Tuberculosis
Granulomatous splenitis
Liver, hydatid cysts, Echinococcus granulosus
80% of the lung is affected
Granulomatous reaction, presence of fibrin on the capsule
Liver, bile ducts, Ascaris suum
Lungs, trachea, Metastrongylus apri
Balantidium coli
Pig, liver
Cysticercus tenuicollis
Taenia hydatigena (adult form in dogs)
Pig, liver Multifocal, severe, chronic, interstitial hepatitis and fibrosis « milk-spot liver » disease caused by Ascaris suum migration
Pig, intestine Diffuse, severe, chronic catarrhal enteritis with intraluminal nematodes Intestinal ascaridiasis (Ascaris suum)
Pig, pulmonary edema
Fumonisin toxicosis
Porcine pulmonary edema (PPE)
Contaminated corn with Fusarium verticillioides (F. moniliforme)
Pig, Salt intoxication
Cerebral edema
Histo: vacuolar degeneration (foamy aspect), laminar necrosis, mild eosinophilic infiltration
Pig, Salt intoxication Cerebral edema Histo: vacuolar degeneration (foamy aspect), laminar necrosis, mild eosinophilic infiltration
Salt intoxication, Cerebral edema
Pig Esophagogastric (pars esophagea) parakeratosis and ulceration in growing pigs
Pig Cutaneous hyperkeratosis ; nonpruritic!
Zinc-responsive dermatosis
DDX: sarcoptic mange and greasy pig disease (exudative dermatitis)
Pig Juvenile Pustular Psoriasiform Dermatitis (Pityriasis rosea)
Rectal prolapse
Pigs,
congenital hypothyroidism
Subcutaneous edema (myxedema), mesocolonic edema, hyperplasia of thyroid glands
DDX: PRRS (Arterivirus), Clostridium difficile
Mulberry Heart Disease Vitamin E (or Se) deficiency
Bilateral conjunctival + retrobulbar edema
Hydropericardium
Epicardial and myocardial hemorrhages
Suckling pigs
Iron deficiency anemia (IDA)
Hepatic lipidosis + pale organs
Heart, cardiomegaly, eccentric hypertrophy of the left ventricle;; + right ventricle?
Congenital cryptorchidism
Idiopathic intestinal emphysema (Pneumatosis cystoides intestinalis)
Pig Idiopathic intestinal emphysema (Pneumatosis cystoides intestinalis)
Congenital renal cysts
Hydronephrosis
Last changeda year ago
