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Some gilts and sows have died suddenly during the last few months with no apparent clinical signs of disease. There is haemoperitoneum and splecnomegalia at post-mortem examination. What is the cause of mortality?

Some finishing pigs are found with swelling of the tails with blood. What is the cause of it?

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

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

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?

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?

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?

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?

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

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?

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?

A batch of finishing pigs is presented to the slaughterhouse with skin lesions around the perineal area and lower body parts. What is the cause of this lesion?

A heavily pregant sow is found in the pen with blood in the vulva. What is the cause of it?

A first parity sow is weaned and is lame in the hindleg. There is poor response to treatment with antibiotics and NSAIDS. Separation of the head of the femur has occurred through the growth plate at post-motem. What is the cause of this condition?

Pigs around 15 weeks old develop purple patches over the hindquarters extending to all over the body. Mortality is high. What is the cause of this lesion?

These piglets died within 24 hours after injecting dextran iron in the leg at 2 days old. What is the cause of this condition?

The weaner pig on the left is pale when compared with a normal weaner on the right. These pale pigs are slow growing. What is the cause of the problem in this case?

These piglets are stunt with distended abdomens. The perineal area in these pigs is abnormal at inspection. What is the cause of this condition?

This pregnant sow is constantly biting the bar above the feeder. What is the most likely cause of this condition?

This sow has large brown scales on the skin over the back. What is the cause of this condition?