Public health photos Flashcards
What inflammation can be seen (chicken)?
Fibrinosuppurative (heterophils) pericarditis, perihepatitis and airsacculitis
Can happen 12h post injury!
What disease is this (chicken)?
Newcastle disease - Avian paramyxovirus 1
What can be seen here? Diagnosis?
Avian influenza
Pneumonia and airsacculitis
Haemorrhage
Oedema and discolouration
What is this showing?
Red neck
Likely cause of death?
Dead on arrival
What is this showing?
Stun to kill (not intentional, written advice needed for OV to FBO each time happens, WEN served to slow down line if due to line speed, shortage of slaughtermen or lack of rotation, needs investigation if >3/3 month)
What is this? Decision for carcass?
Green muscle disease = oregon disease
Partial rejection
What is this? Decision for carcass?
White muscle disease (wooden breast? White striping?)
Unfit for human consumption
What can be seen here? Decision for carcass?
Rounded liver edges and fibrin deposits
Unfit for human consumption
What can be seen here? Decision for carcass?
Dry skin - PM artefact
Ascites
Unfit for human consumption
Diagnosis? (chicken)
Salmonella (S enteritidis and typhimurium can be asymptomatic)
Diagnosis? (chicken)
Marek’s disease - herpesvirus
Visceral form on left
Cutaneous form in middle
Neurological form on right
What can be seen? Diagnosis? (chicken)
Hepatitis (top left)
Hepatitis and pericarditis (top right)
Typhlitis (bottom left)
Synovitis (bottom middle)
Omphalitis (bottom right)
= Colibacillosis
Diagnosis? (Chicken)
Chlamydia psittaci
Diagnosis?
Mycoplasma gallisepticum - left
Mycoplasma synoviae - right
Diagnosis? (chicken)
Avian TB
Diagnosis?
Pasteurella multocida
Diagnosis (chicken)?
Coccidiosis - Eimeria tenella
Differential diagnosis?
Severe peracute haemorrhage in lymph nodes, skin and subcutis
Swine fever (classical or African) - notifiable
Toxaemia
Septicaemia
Stress
What possible notifiable disease has caused this?
Bovine Brucellosis (Brucella abortus) - hygromas
Diagnosis?
TB
Diagnosis? Cow
Warbles
What possible notifiable disease is this?
Foot and mouth
What possible notifiable disease is this? Cow
Enzootic bovine leukosis
Diagnosis? Cow
Decision for carcass?
BVD/mucosal disease
Viraemia - unfit for human consumption
What is this? (liver) Decision for carcass?
Ketosis with fatty change in the liver
Hold carcass for 24h and check by boiling/frying test - unfit for human consumption if smell still present (toxaemia)
What is this? Decision for carcass?
Pyelonephritis
Hold carcass for 24h and check by boiling/frying test - unfit for human consumption if smell still present (toxaemia)
Diagnosis? (cow) Decision for carcass?
Sporadic bovine lymphosarcoma
Unfit for human consumption
Diagnosis?
Erysipelothrix rhusiopathiae
Diagnosis? (Pig)
Erysipelothrix rhusiopathiae
What is seen here? Decision for carcass?
Carotenosis
Fit for human consumption
(ddx jaundice - unfit)
What is seen here? Decision for carcass? (cow)
Septicaemia - unfit for human consumption
(ddx deficient exsanguination)
What is seen here? Decision for carcass?
Vertebral porphyria - haemochromatosis
Partial rejection
Diagnosis? Decision for carcass? (cow)
White muscle disease - unfit for human consumption
(ddx - anaemia)
Diagnosis? Decision for carcass? (sheep)
Hydrocachexia - emaciation with serous atrophy of adipose tissue
Unfit for human consumption
(ddx - age related muscle atrophy)
What can be seen here? (pig)
Tail bite - upper left = fibrosis at site of original trauma
Osteomyelitis in lumbar vertebrae
What can be seen here? Decision for carcass?
Callus formation following fracture
Partial rejection if no evidence of septicaemia
May be welfare issue at farm of origin depending on localisation/extent
What is seen here? Decision for carcass?
Calcification - partial rejection
(Ddx abscess, contamination with foreign material)
What can be seen here?
Cutaneous necrosis and haemorrhage of ear pinna
Thrombosis during acute septicaemia, frost bite, cannibalism
Diagnosis (cow)?
Left - Actinomyces bovis
Right - Actinobacillus lignieresi
Diagnosis (sheep)?
Embolic pneumonia - Muellerius capillarius
Diagnosis (sheep)?
Dictyocaulus filaria
Diagnosis (sheep)?
Cysticercus tenuicollis (from Taenia hydatigena)
Diagnosis?
Fasciola hepatica - complications include Bacillary haemoglobinuria (Clostridium haemolyticum)
Diagnosis?
Echinococcus granulosus - hydatid cysts
Diagnosis (cow)?
Cysticercus bovis (from Taenia saginata)
One or more localised cysts (viable or non viable) - reject affected part, cold storage of remainder
Generalised viable - reject carcase and offal
Generalised non viable (caseous/calcifed) - reject affected parts, cold storage of remainder
Diagnosis (pig)? Morphological diagnosis?
Ascaris suum - larval migration (L2?)
Multifocal chronic fibrosing hepatitis
Diagnosis?
TB
Diagnosis?
Bluetongue
Diagnosis? (Pig)
FMD
Diagnosis?
FMD
Diagnosis?
Lead shot in poultry gizzard
Decision for carcass and samples?
Disposal of carcass and samples as category 2 ABP
What can be seen here that would result in rejection of the carcass?
Hepatitis
What can be seen here to cause rejection of the carcass? Decision for carcass?
Ascites/oedema
Cateogry 3 ABP
What can be seen here? Decision for carcass?
Cellulitis
Category 2 ABP
Decision for carcass?
Carcass and samples: Category 2 ABP
Decision for carcass?
Categry 2 ABP
What can be seen here?
Perihepatitis/peritonitis
What can be seen here?
Peritonitis/perihepatitis
What is seen here?
Red neck
Diagnosis? Decision for carcass and organ? Is it zoonotic?
Chronic liver fluke
Affected organ unfit for human consumption - category 3 ABP
Liver fluke is zoonotic but not from ingestion of this meat
Diagnosis? Decision for carcass? Zoonotic?
Acute liver fluke
Affected organ unfit for human consumption - category 3
Liver fluke is zoonotic but not through ingestion of this meat
Diagnosis? Decision for carcass? Zoonotic?
Echinococcus granulosus - hydatid cysts
Affected organ unfit for human consumption - category 3 ABP
E granulosus zoonotic but not through ingestion of this meat
Diagnosis? Decision for carcass? Zoonotic?
Embolic hepatitis
Whole carcass unfit for human consumption - category 2 ABP
Zoonotic through ingestion of this
Diagnosis? Decision for carcass? Zoonotic?
Acute Cysticercus tenuicollis (Taenia hydatigena)
Affected organ unfit for human consumption - category 2
Not zoonotic
Diagnosis? Decision for carcass? Zoonotic?
Acute Cysticercus tenuicollis and viable cysts (Taenia hydatigena)
Affected organ unfit for human consumption - category 2 ABP
Not zoonotic
Diagnosis? Decision for carcass?
Mycoplasma like pneumonia
Affected organ unfit for human consumption - category 2 ABP
What can be seen here? Decision for carcass?
Melanosis
Affected organ unfit for human consumption - Category 3 ABP
Diagnosis? Decision for carcass?
Mycoplasma like pneumonia
Affected organ unfit for human consumption - category 2 ABP
Diagnosis? Decision for carcass?
Blood splash
Affected organ unfit for human concumption - category 2 ABP
Diagnosis? Decision for carcass?
Muellerius capillaris
Affected organ unfit for human consumption - category 3 ABP
Diagnosis? (Sheep) Decision for carcass?
Viable cyst of Cysticercus ovis
Partial rejection - If similar lesions in <3 locations, after removal of affected part, the remainder of carcass is fit for human consumption
Cateogry 2 ABP
Diagnosis? Decision for carcass?
Pleural fibrosis
Affected organ unfit for human consumption - category 2 ABP
Diagnosis? Decision for carcass?
Melanosis
Affected organ unfit for human consumption - category 3 ABP
Diagnosis? Decision for carcass? (sheep)
Non viable cyst of Cysticercus ovis
Partial rejection - If similar lesions in <3 locations, after removal of affected part, rest of carcass is fit for human consumption
Category 2 ABP
Diagnosis? Decision for carcass?
Endocarditis
Whole carcass unfit for human consumption
Category 2 ABP
