A piglet is born alive with 6 legs. What is the cause of this finding?

Cranioventral lung consolidation is detected at post-mortem examination of the lungs of pigs with persistent coughing associated with lack of appetite. What is the most likely cause of this lesion?

There is an outbreak of sudden deaths of 6 weeks old pigs. At post-mortem examination the pericardial sac is distended with straw-coloured fluid that contains fibrin strands. The heart has areas of necrosis. What is the most likely cause of this lesion?

Twenty gilts are found dead in the same building with cyanosis of the lower parts of the body and salivation. What is the cause of dead?

A lactating sow is found with widespread raised rhomboid lesions on the skin. What is the most likely cause of this lesion?

An outbreak of sudden deaths and coughing is detected in 10 weeks old pigs. Post-mortem examination detects necrotizing pneumonia with fibrinopurulent exudate of the peritoneal and thoracic cavities. What is the most likely cause of this lesion?

This sow had poor body condition, was anaemic and was found dead in the pen. The stomach had a dark black content inside. What is the most likely cause of this lesion?

Bulging irregular masses detected in the oral mucosa of the lower lip in a 2 weeks old piglet. What is the most likely cause of this condition?

Dead pigs with cyanotic ears and lower and distal parts of the body are found in one room of a flat deck accommodation. Some pigs are alive but dope. What is the cause of this condition?

There is an increase of sudden death mortality in growing and finishing pigs. Post-mortemed pigs have the loops of gut distended with gas, have a deep purple colour and filled with heavily blood stained liquid. What is the most likely cause of this lesion

Several weaner pigs show clinical signs of diarrhoea and loss of body weight from the age of 8 weeks. At post-mortem examination, there is mucohaemorrhagic diarrhoea and enlargement of the Peyer patches in the intestinal lining. What is the cause?

There is bloody diarrhoea and mortality in 3 days old piglets. The small intestine of post-mortemed piglets is dark red, haemorrhagic and filled with bloody fluid. What is the most likely cause of this lesion?

There is profuse yellowish scour, ill thrift and high mortality during the first 72 hours of life. What is the most likely cause of this condition?

Necrotic hepatitis with hepatic parenchyma infiltrated with gas bubbles is detected in a sudden dead sow during post-mortem examination. What is the most likely cause of this lesion?

A sow is reluctant to walk. At inspection of the foot, a claw is warm, painful and there is a crack. What is this lesion?

There is an increase of ill thrift and laboured abdominal breathing in 6 to 8 weeks old weaner pigs. There is poor response to antimicrobial treatment. Mortality has increased from 1.5% to 6%. Post-mortemed pigs had interstitial pneumonia. What is it?

An increase of “humpy-back” pigs from 6 to 8 weeks of age was detected in this unit afecting up to 5% of the feeding herd with irrelevance of the sex. What is the cause of this lesion?

There are sudden deaths in sows and finishing pigs. The only lesion detected is in the liver with discoloration, enlargement and full of gass. What is the causative agent of this lesion?

Sudden dead is described in growing pigs. There are no other post-mortem findings other than valvular endocarditis. What is the cause of this lesion?

Many piglets in different litters show erythema in the skin. What is the cause of this condition?

There is blood stain in the costocondral area affecting the pleura. What is the cause of this lesion?

This sow has a mass protruding from behind. What is the most likely cause of this lesion?

Spinal chord compression was detected when inspecting this pig carcass. What is the cause of this lesion?

The unit has an increase of coughing and poor growth rates. What is the most likely cause of this lesion?

The vet in the slaughterhouse condemns a sow with this skin lesions under welfare grounds and reports the farmer. What is the cause of these lesions?

Widespread petechiation and congestion of the lung. What is the most likely cause of this lesion?

A weaner pig is laying on its side unable to walk, making paddling movements, eyes rolling and with opisthotonus. What is the cause of the problem in this case?