Week of 07-Aug-2017

What is the most likey cause of the lesion seen in a single 10 day old piglet on an outdoor pig unit in January?

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incorrect answer

This is a case of gangrene resulting from frostbite in extreme weather conditions. The pig's other limbs were less severely affected and it was the only pig seen like this within the farrowing group of 11 litters.

Ergotism as a result of contamination of either feed or bedding with Claviceps purpurea fungi can lead to similar lesions but would be expected to be more widespread affecting other piglets and other tissues such as ears and tails. Milking in the sow would be expected to be compromised.

A single limb affected could be due to constricting bands getting wound round the leg; canabalism by litter mates is unlikely to produce a dry lesion of this nature unless extremely advanced and then recovering.

Clearly in this case immediate euthanasia on welfaregrounds is necessary.

Week of 13-Jul-2018

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?

Week of 06-Jul-2018

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

Week of 28-Jun-2018

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

Week of 21-Jun-2018

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

Week of 14-Jun-2018

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

Week of 07-Jun-2018

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?

Week of 01-Jun-2018

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

Week of 24-May-2018

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?

Week of 17-May-2018

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?